Abstract: A radiation source assembly for optical transducers used for the analysis of material components of media, whereby the radiation source assembly comprises: two thermal radiation sources (1, 2), of which the first radiation source (1) is located, in relation to the second radiation source, in such a position that it emits through the second radiation source (2); a band-stop filter (10) located between the first and the second radiation sources, so that the radiation (6) emitted by the first radiation source passes through it. Both thermal radiation sources (1, 2) comprise a substrate (3, 11) made of silicon, of a silicon mixture or of a silicon compound, and a recess (53) made in the substrate, and micro-filaments (4, 5), which are fastened at their ends to the outer surface (51, 52) of the substrate, their radiation (6, 8) emitting regions being at a distance (H) from the bottom surface (54) of the recess.

Abstract: An ultraviolet curing chamber having a window comprised of multiple plates of quartz which are connected with a sealing device. The sealing device is comprised of a ribbon of high compliance material having a central member and cross members. The cross members are spread apart before application of the device to the quartz plates, and after application, the central member lies between the edges of the plates and the cross members, which have returned to a position closer to their original position before having been spread apart and are biased against the top and bottom surfaces of the plates, creating a tight seal.

Abstract: A XUV radiation source uses an interaction of electron beam pulses with a gas to create a plasma radiator. A flowing gas system (10) defines a circulation loop (12) with a device (14), such as a high pressure pump or the like, for circulating the gas. A nozzle or jet (16) produces a sonic atmospheric pressure flow and increases the density of the gas for interacting with an electron beam. An electron beam is formed by a conventional radio frequency (rf) accelerator (26) and electron pulses are conventionally formed by a beam buncher (28).

Abstract: A system for prolonging the useful life of a mask while ablating a pattern into a workpiece. The system includes a workpiece, a debris-blocking layer thereon, a laser directed toward the workpiece, and a mask provided between the laser and debris-blocking layer. The workpiece may be a data storage disk comprising a substrate and a magnetic coating thereon. The laser may be an ultraviolet laser and the debris-blocking layer should be transparent to the light emitted by the laser. The pattern may include concentric or spiral optical servo tracks in the magnetic coating. The debris-blocking layer minimizes degradation of the mask, thereby minimizing the need to clean the mask and prolonging the useful life of the mask.

Abstract: A double-sided exposure apparatus is disclosed. The apparatus incorporates a phototool die set that provides high accuracy, speed and smooth operation with minimal particulate contamination of the exposure zone while allowing conventional work piece transport and handling. Upper and lower die halves are supported by four corner posts, guided by precision preloaded bearings to obtain high accuracy in front to back registration of art works maintained in the upper and lower die halves. The die halves are reversibly separated by upward motion actuated by a closed loop servo motor and lead screw system simultaneously elevating the four corner posts to which the upper die half is rigidly attached.

Abstract: A high fidelity dual source solar simulator that provides a higher fidelity spectral match to the Air Mass Zero (AM0) solar spectrum and is derived from ultraviolet (UV) and visual light from a xenon arc lamp which is band pass filtered by a hot reflective mirror and slope filtered by a color glass filter, with the infrared (IR) light from a tungsten lamp which is band pass filtered by a cold reflective mirror and slope filtered by a thin film filter, so that, when the xenon and tungsten light components are combined as spectral segments, the spectra of the simulator matches both the curve shape and integral energy of the AM0 spectra while attenuating optical spikes so as to provide high fidelity over the entire AM0 spectrum.

Abstract: A sanitizer uses a radiant energy source such as a microwave source to excite a gas contained in a bulb so that the gas produces ultraviolet radiation that can be used to sanitize substances exposed to the radiation. The ultraviolet radiation may also be used to generate ozone from oxygen in air or another gas containing oxygen and the ozone may be used by itself or in combination with ultraviolet exposure to sanitize substances. The bulb for generating ultraviolet radiation can be shaped so that substances to be sterilized are able to pass through the bulb, so that objects (even metal objects) are enclosed by the bulb and shielded from the radiant energy source, or so that the bulb is located at the end of a waveguide and can be positioned to sanitize inaccessible surfaces or substances.

Abstract: A system for modifying the radiant energy spectrum of a thermal energy source to produce a desired spectral bandwidth profile including a frequency-selective resonant micromesh filter (50) confronting a thermal energy source (80). Micromesh filter (50) includes an array of resonant-conductive antenna elements (50', 50") and a substrate (56) for supporting the antenna elements. Thermal radiation (82) emitted from energy source (80) is filtered by micromesh filter (50), wherein radiant energy at particular wavelengths is reflected back to the energy source, while certain wavelength photons are transmitted through the micromesh filter.

Abstract: To essentially eliminate short ultraviolet (UV) radiation from a mercury high-pressure short-arc discharge lamp, that is, wavelengths below the radiation band of 365 nm, the lamp includes a discharge vessel of quartz glass which is coated with a selectively reflective outer coating (2a) and, at the inside, with a selectively absorbing inner coating (2b). The outer coating (2a) is formed by a multi-layer interference reflection filter which preferentially reflects wavelengths between about 240 and 300 nm with a filter cut-off, corresponding to 50% transmission, in the wavelength region between about 290 and 330 nm. The inner coating (2b) is a titanium dioxide coating which, preferentially, absorbs radiation below about 250 nm, with a 50% transmission at about 240 nm. In accordance with a preferred feature of the invention, a radiation absorbing titanium dioxide/silicon dioxide mixed-layer coating (2c) is applied at the outside over the multi-layer interference reflection filter (2a).

Abstract: This invention relates to a retrofit apparatus utilized in Ultraviolet (UV) light sterilization equipment for paperboard packaging filling machines. Such structures of this type, generally, allow conventional paperboard packaging filling machines to be economically converted to include an ultraviolet light sterilization retrofit assembly wherein microbiological spoilage of the food product contained within the paperboard packaging can be significantly reduced.

Abstract: A system and method for purifying air by employing a lamp that produces two separate energy intensity maxima. The lamp preferably emits ozone-producing radiation that falls within one wavelength interval, and germicidal radiation that falls within another wavelength interval. The air purifier of the invention includes a housing having an irradiation chamber, an air inlet for introducing air into the irradiation chamber, and a radiation source disposed within the irradiation chamber. The air purifier further includes an air outlet also formed in the housing for discharging the air to an external environment. The method includes providing a housing having an air inlet and an irradiation chamber, and providing a lamp within the chamber wherein the lamp has a relative maximum lamp output within two discrete wavelength intervals. The air is introduced into the irradiation chamber through the air inlet, and the air is irradiated within the chamber.

Abstract: A nondispersive infrared radiation source includes a base, a plurality of formed pins, a thick film resistor and an o-ring, the base has the shape of a cylinder and a plurality of grooves formed therein. A bore is formed in the base which is terminated by a bottom surface defined by a spherical radius. A reflective coating is applied upon the bottom surface. The plurality of formed pins are heat staked into the plurality of grooves and the o-ring is placed in one of the grooves. The thick film resistor comprises a substrate, a dielectric glass layer and a conductor layer, the substrate has a plurality of thick film resistors which are formed thereon. The plurality of thick film resistors are separated by use of a quadrapole laser. The thick film resistor is electrically connected to the plurality of pins with a solder connection.

Abstract: An array for projecting thermal images and a method of making same. The array of the present invention combines a two-tier architecture created with special processing whereby each pixel member resides on an elevated platform directly over discrete pixel control electronics and electrically conducting traces couple a plurality of pixels so that they can be controlled to project thermal images at equal to or faster than video frame rates. Microlens assemblies coupled to each discrete pixel improves the thermal efficiency of the array for certain applications. In the method of fabrication, a semiconductor microbridge-type structure obtains with the use of sacrificial layers under deposited pixel members in a compact array so that the pixel electronics reside beneath their associated pixel and the array electronics inhabit the same chip as the array thereby improving fill factor and time constant of the resulting array.

Abstract: A device for beam machining of materials comprising a pin-point source (1) of optical radiation and a concentrating reflector (2) whose reflecting surface has the form of a surface of revolution. The generatrix of said surface of the concentrating reflector (2) is made up of arcs of confocal ellipses (3), lengths of rays (4) emitted from the focus concident with the radiation source (1) and connecting the ends of arcs of ellipses, and arcs of circles (5) with the center in said focus. The size of the boundary segments and their relative arrangement are established on the condition of a most complete collection of the radiation from the pin-point source (1) in the region of the focal point which is coincident with the surface of the machined material, affording a vast possibility of changing the shape of the reflector.

Abstract: A black body radiator for calibrating infrared measuring devices in the form of a heatable body is heated by means of a heating foil in the form of a metallic electrically excellently conducting heating coil embedded in a plastic sheet. The heating foil is adhered in excellently thermally conductive manner to a rear surface of the heatable body of the black body radiator. At a slight distance from and slightly inclined to the heating foil surface an infrared-radiation-reflecting mirror is arranged. The mirror reflects the radiation coming from the heating coil and incident thereon into the intermediate spaces of the heating coil so that the radiation passes through the heating foil and is absorbed by the rear side of the black radiator. The intermediate space between the heatable body and the mirror is evacuated. Furthermore, the rear side of the mirror and a holder are provided with a thermal insulation, for example in the form of ceramic paper.

Abstract: An present invention is an illuminator device designed to be coupled to the tripod mount of a night vision device which allows a user to adjust the direction of a beam of light projected by an illuminator relative to the line of sight of the night vision device. The illuminator device includes an light source and a mounting assembly. The mounting assembly is biased against the night vision device thereby maintaining the direction of a projected beam from the light source substantially parallel to the line of sight of the night vision device. The mounting assembly includes a rigid member whose longitudinal axis is maintained substantially perpendicular to the bottom surface the night vision device and a free-floating member attached to the illuminator whose position can be changed relative to the line of sight of the night vision device.

Abstract: A device for beam machining comprises an extended radiation source (1) and a concentrating reflector (2) whose reflecting surface has the form of a surface of revolution made up of several successively-joined segments (3). The shape of the reflector generating surface on any segment except the initial one located near the apex M of the reflector (2) and the boundaries between the joined segments are defined by a system of equiations. The initial segment of the profile of the reflector (2) extending from its apex M to the profile points R.sub.1, z.sub.1 has the shape of a segment of the curve of the 2nd order. Installed on the end of the concentrating reflector is a pressuretight protective transparent partition (4) whose cross-sectional profile is capable of ensuring additional focusing of preset radiation fractions of the linear source (1) in the focal point F.

Abstract: A device for illuminating forensic depositions or other evidence that simultaneously provides output in three bands, the visible, ultraviolet and infrared. By a sequential mounting and rotation in two independent axis of a large selection of wavelength and bandwidth filters, the invention provides a highly-focused illumination system easily adjustable by the operator to enable selection of particular frequencies and bandwidths for enhanced observation of forensic subjects.

Abstract: An apparatus including an integrated circuit matrix of resistance elements for generating black body thermal images is used as a thermal radiation signal source in infrared apparatus testing and development. The matrix of thermal elements that have quasi-instantaneous temperature rise is controlled by computer program to produce multiple thermal images at locations over the field of view of a detector device or observation camera, and image motion can be simulated by computer program sequences. No transistors are used in the matrix thereby permitting very low cost and fast element heating (e.g., to 350K. in 0.2 .mu.sec from an 80K. cryogenic environment). A system including a cryogenic chamber enables the microcircuit matrix and an infrared CCD observation camera to output video frame and intensity data signals from a simulated cold environment for test of systems such as infrared guidance systems.

Abstract: An optical furnace for annealing a process wafer comprising a source of optical energy, a quartz muffle having a door to hold the wafer for processing, and a quartz diffuser plate to diffuse the light impinging on the quartz muffle; a feedback system with a light sensor located in the wall of the muffle is also provided for controlling the source of optical energy.

Abstract: A radiating apparatus, particularly an infrared radiating apparatus, having at least one radiation source which has a configuration which is broad in the direction transverse to the emission direction of interest. In order to construct a radiating apparatus which persists over a relatively long period of time in being resistant to temperature changes and which has relatively low thermal inertia, a carbon strip is provided as a radiation source. The strip includes a plurality of segments which are joined together, the ends of which segments are mounted in support members, wherewith at least the first and last of said support members are in the form of respective contacts.

Abstract: A passive, rigid, durable and inexpensive lane marker device that allows remote observations of visual and infrared electromagnetic (EM) signatures. The rugged and rigid construction of the device permits flexible deployment thereof, either by manual placement or by air drop thereof. The lane marker is particularly suitable for hostile military environments which in turn enhances the survivability of military equipment. The lane marker herein is a bispectral lane marker (BLM) that functions as a "thermal mirror" such that thermal EM radiation is reflected in the direction of an approaching moving object such as a plane or land vehicle that are equipped with a thermal imaging system (TIS). The device is a rigid dihedral structure that reflects ambient radiant conditions for intended observation by a TIS.

Abstract: A fluorescent lamp having multiple discrete zones with different levels of radiation intensity along its length has a tube with a fluorescent coating on the interior of the tube adapted to produce ultraviolet radiation of substantially uniform intensity. A reflective coating is provided along a finite length of the tube adjacent one end thereof and about only a portion of the circumference thereof to provide an increased intensity of radiation emanating from the uncoated portion of the periphery of the lamp in the finite portion due to reflection of radiation from the reflective coating. This lamp is especially useful in an array for a tanning chamber to provide a higher intensity of ultraviolet radiation in the facial area.

Abstract: A single integrated source of infrared and ultraviolet energy with minimal visible radiation therein. The invention (10) includes a first source of infrared and visible radiation (12) and a second source of ultraviolet and visible radiation (14). In a specific implementation, visible radiation from the infrared source (12) is eliminated by a filter (20) comprising a germanium substrate coated with a thin film multilayer stack. The filtered infrared beam and the ultraviolet beam are combined by a set of mirrors. A cold first mirror (30) directs the ultraviolet energy to a cold second mirror (22) which then transmits infrared energy and reflects ultraviolet energy. The visible radiation from the ultraviolet source is eliminated by transmission through the first cold mirror. The first and second mirrors provide a composite output beam which is collimated by a third mirror (36) and output as a single beam. For safety, a shutter (24) is provided in front of the ultraviolet source (14).

Abstract: A fluorescent lamp having multiple zones with different ultraviolet radiation characteristics along its length has a tube with a first fluorescent coating for producing ultraviolet radiation of substantially uniform intensity extending over a first finite length of the tube adjacent one end. A second fluorescent coating extending over a second finite length of the tube adjacent its other end thereof produces ultraviolet radiation of a substantially uniform intensity and having radiation characteristics which are different from those produced in the first finite length. Generally, the UVB intensity and UVB/UVA ratio will be increased. This lamp is ideally suited for use in tanning chambers to provide uniform tanning by providing a higher intensity and a higher UVB/UVA ratio for radiation in the area of the head.

Abstract: A photopolymerization for dental use composed of a light of sources emitting at least visible light and infrared light transparent cells charged with coolant disposed to the emission side of said light source, whereby absorb infrared light; and a board for mounting a formed article which is composed of materials for a pattern made of photopolymerizable resin, impinging the light thereon from the light source after transmitting through said cells, wherein the tranparent cell is composed of disc-like shaped main body having a hollow space therein which is formed integrally with heat resistant glass; and two glass pipes for circulation of coolant which is disposed to the cell main body communicated to the hollow space.

Abstract: There is disclosed an illuminating light source device suitable for illumination at a vibrating place or a portion where an electric lamp is hardly exchangeable for new one, as well as for general luminairs. The illuminating light source device comprises a semiconductor laser element for outputting a laser beam of a particular wavelength in the range from infrared rays to ultraviolet rays, a lens for diffusing the laser beam from the semiconductor laser element and a fluophor for converting the diffused laser beam from the diffusion lens into visible light. Otherwise, the illuminating light source device comprises a group of semiconductor laser elements for respectively outputting laser beams of three primary colors consisting of red, green and blue, a lens for diffusing the laser beam from each of the semiconductor laser elements, and lenses for superposing the diffused laser beams from the diffusion lenses.

Abstract: This is a target projector projecting a vertical line source of infrared energy for testing of thermal imaging sensors. A vertical wire of a material which heats and emits infrared energy when an electrical current is passed therethrough is heated by a DC source. There is a projector for intercepting a portion of infrared energy from the wire, for passing only a line source beam portion which comprises a narrow beam of about 10 milliradians width and subtends a vertical angle of about 40.degree., and for directing the narrow beam on an optical center line of a thermal imaging sensor being tested. One type of projector comprises a narrow vertical mirror oriented about a longitudinal axis of rotation which is in a common plane with the wire disposed between 4" and 10" from the wire and rotatable about the axis of rotation to project the line source beam in a desired direction. In another projector, the mirror is replaced by a slit. The wire and projector in combination are also rotatable to a position 45.

Abstract: An apparatus for producing a preselected amount of light energy for use with photosensitive materials. The apparatus comprises a source for producing light; a light guide for delivering the light produced by the source to a work site; (c) a sensor means for detecting the intensity of the light produced by the source; and (d) a controller for determining the amount of light energy to be delivered to the photosensitive material at the work site. The apparatus includes a dimmer for controlling the intensity of light delivered to the work site and a shutter for controlling the exposure time for the work site. The dimmer and shutter are controlled by the controller so that a predetermined total quantity of light energy is delivered to the work site.

Abstract: An imaging apparatus and an illumination unit for use in such an apparatus are described, which unit comprises an illumination housing (LH) accommodating a radiation source (LA) and at least a reflector (RL). To prevent a decrease of the radiation power supplied by the illumination housing, this housing is provided with means (LA, SH, L.sub.29) which prevent a diffuse deposit of silicon-containing particles present in the ambient air from being formed on optical components within the illumination housing.

Abstract: A method for compensating against wafer edge heat loss during rapid thermal processing includes a semiconductor wafer that is exposed to uniform radiant energy across the entire wafer surface. The wafer is exposed by projecting a radiant energy image onto the edge of said semiconductor wafer while providing radiant energy rays directly to the wafer's surface. The radiant energy image comprises reflecting radiant energy rays that pass through a positionally adjustable object onto the edge of the wafer. The positionally adjustable object is optional and is mounted between an optical lens and a radiant energy source or is mounted between a reflector and each radiant energy source (A second optical lens is optional). The energy rays absorbed at the edge of the wafer contain more heat intensity than do the rays which are absorbed by the inner portion of the wafer, thus producing uniform heat across the entire wafer.

Abstract: The present invention is a novel handrail that is equipped with an ultraviolet bulb and is useful as an accessory in night time fishing. The handrail may be permanently mounted on the deck of a fishing vessel, and is constructed so that the ultraviolet bulb faces outward from the hull of the boat and causes fluorescent fishing line disposed in the immediate vicinity of the hull to fluoresce. The handrail is provided with fastener for directing the orientation of the bulb, and is also provided with a protective cover that is substantially transparent to ultraviolet light and that protects the bulb from the elements.

Abstract: An UV-radiating apparatus for irradiating printing ink on items such as individual articles or portions of material comprises a reflector housing divided into first and second parts in a direction parallel to the longitudinal axis of the radiation source of the apparatus. The two parts are each mounted pivotably about a respective axis parallel to the longitudinal axis of the radiation source between a first limit position in which the reflector housing is open at its side towards the item to be irradiated and a second limit position in which the parts of the reflector housing, with their regions towards the item, form between the radiation source and the path of transportation movement of the item a shield which shields the item from the radiation source. Upon stepwise transportation movement of individual items or a web of material the period of action of the rays on the respective item can be controlled by suitable actuation of the parts of the reflector housing.

Abstract: A composite LWIR-transmitting window (10) comprising a thin sheet of LWIR-transmitting plastic film (11) reinforced by integration with an open mesh screen (12) of fine, thin or flat metal or fibrous filaments (14, 15). The preferred plastic film is polyethylene having a maximum thickness of about 0.03", most preferably less than about 0.02". The screen (12) comprises filaments such as woven wires or fibers or formed structures of thin metal, such as flat wires of honeycomb-type meshes which are thicker in the direction perpendicular to the plastic film to maximize reinforcement while minimizing blockage of LWIR through the open mesh areas (13).

Abstract: The method of conducting a lighting operation of a metallic vapour discharge lamp, to maintain a suitable arc tube temperature, even if the lamp is operated at an input power higher than 160 W/cm of lighting length. A metallic vapour discharge lamp, in which mercury, rare gas, iron and halogen are encapsulated wherein an arc tube is used and which is operated with an internal pressure of 0.5 to 10 psi, an input power of higher than 160 W/cm of lighting length and within a heater having an air injection cooling system. The lamp characteristics are D.ltoreq.28 and simultaneously P/D.ltoreq.14, where the arc tube external diameter is designated D (mm) and the input power/cm of lighting length is designated P (W/m).

Abstract: A boresight thermal reference source capable of rapidly providing a uniform high intensity Infra-Red signal, comprises a boresight source housing, a ceramic rod, and a heater wire helically surrounding, at least partially, the ceramic rod. The coiled heater wire has a plurality of turns extending outwardly from one end of the ceramic rod forming a blackbody cavity therein from the plurality of outwardly extending turns on the end of the ceramic rod. The small mass of the ceramic rod, optimum geometry of ceramic rod, heater wire, and housing for reduced heat loss, and the aforementioned blackbody cavity configuration, all provide for low operating power with uniform rapid heating of one end (ceramic floor) of the ceramic rod to about 1000.degree. C.

Abstract: An apparatus and method for curing light curable material using unfiltered light. A vented housing encloses a single lamp filament light source which emits visible light. The light source is positioned above and to the side of the light curable material which is supported on a rotating table during light curing. Light incident to the surface of the light curable material is at least about 50 milliwatts per square centimeter. The light curable material has a surface temperature of at least 150.degree. F. (65.6.degree. C.) after 2 minutes.

Abstract: The disclosed invention is directed to novel ceramic compositions, and to stabilizer compositions for use with those ceramic compositions. The ceramic materials are formed of rare earth chromium oxides that include a novel combination of stabilizing compounds. Also, dryer or sterilizer devices which incorporate these ceramic compositions for generating infrared radiation for drying or sterilizing various articles.

Abstract: A far-infrared radiator includes carbon fiber mixed paper and an organic compound layer laminated on both sides of the carbon fiber mixed paper. The far-infrared rays are radiated from the front surface and the back surface of the carbon fiber mixed paper by applying current to the carbon fiber mixed paper. The far-infrared rays radiated from the carbon fiber mixed paper cause resonance at a particular wavelength in the organic compound layer and the far-infrared rays in a wavelength range which depends on that wavelength are radiated. The wavelength range of the radiated far-infrared rays can be controlled by selecting the materials for the organic compound layer.

Abstract: An optical furnace for annealing a process wafer comprising a source of optical energy, a quartz muffle having a door to hold the wafer for processing, and a quartz diffuser plate to diffuse the light impinging on the quartz muffle; a feedback system with a light sensor located in the door or wall of the muffle is also provided for controlling the source of optical energy. The quartz for the diffuser plate is surface etched (to give the quartz diffusive qualities) in the furnace during a high intensity burn-in process.

Abstract: A method of selectively directing concentrated infrared energy onto thermoplastic articles to be welded to one another includes providing contoured elongated openings formed on energy reflecting shields. These shields directly conform to specific opposing surface areas on the thermoplastic articles to be joined by thermal welding to one another.

Abstract: A housing for an image display device and an image display device are provided which include a cabinet having an opening for viewing an electronic information display accommodated in the cabinet, wherein at least a portion of the cabinet is formed from a mixture of raw material and at least one far infrared emitting material in an amount of 1 to 30%, by weight. An image display device and a housing for an image display device are also provided which include an electronic information display and at least one far infrared lamp at the front-side of a cabinet containing the electronic information display. Additionally provided is an image display device comprising at least one far infrared emitting device containing a heater to apply heat to a far infrared emitting material, a reflecting plate to reflect far infrared radiation which is outwardly emitted from the interior of the far infrared emitting device, and a supporting means for supporting at least one far infrared emitting device and the reflecting plate.

Abstract: A test target for thermal and similar rifle sights including a target, comating lens in a housing with a mandrel type boresighting attachment.

Abstract: An apparatus and method for curing radiation curable material includes a lamp unit providing radiation in a converging beam directed toward a focal plane and forming a curing zone at a curing position for receiving the curable material. The lamp unit is mounted in a boot member having a spiral external thread for engaging a spiral internal thread on the wall of a housing chamber for receiving the boot member. The engagement of the threads is such that rotation of the boot member controllably varies the intensity of radiation in the curing zone by changing the distance between the radiation outlet of the lamp unit and the curing position. The curing zone may be an elongated band such that rotation of the boot member also provides angular adjustment of the elongated band relative to a curing path for the curable material. The boot member may include internal cooling passages and these passages may contain overlapping light baffles blocking the escape of harmful radiation.

Abstract: A method and apparatus for improving the accuracy of the simulation of sunlight reaching the earth's surface includes a relatively small heated chamber having an optical inlet and an optical outlet, the chamber having a cavity that can be filled with a heated stream of CO.sub.2 and water vapor. A simulated beam comprising infrared and near infrared light can be directed through the chamber cavity containing the CO.sub.2 and water vapor, whereby the spectral characteristics of the beam are altered so that the output beam from the chamber contains wavelength bands that accurately replicate atmospheric absorption of solar energy due to atmospheric CO.sub.2 and moisture.

Abstract: An ultraviolet curing device comprising a housing having a wave guide disposed within one end thereof. Disposed within the housing and reciprocally movable between focused and unfocused positions therewithin is a reflector member which is oriented relative the light source so as to be operable to reflect ultraviolet light from the light source to the wave guide. When the reflector member is in the focused position, ultraviolet light is reflected from the light source to the wave guide in a manner facilitating the passage of a desired frequency of the ultraviolet light through the wave guide. When the reflector member is in the unfocused position, ultraviolet light is reflected from the light source to the wave guide in a manner preventing the passage of the desired frequency of the ultraviolet light through the wave guide.

Abstract: A waste water purification system with complementary interlocking germicidal lamp and socket construction to prevent unintentional disconnection of the lamps. This is attained by providing the germicidal lamps with locking contact pins arranged to be latched and locked to its complementary socket by providing the socket with keyhole slots for receiving the contact pins and associated spring biased displaceable contacts to maintain electric contact between the lamp and its socket in the assembled position. In one form of the invention, the contact pins of the lamps are longitudinally offset and spaced apart to prohibit arcing between the contact pins of the respective lamp electrodes. Other embodiments of the disclosure effect the interlocking of the lamp to its socket by complementary latching members formed on the end of the lamp and its corresponding socket.

Abstract: The invention relates to a device for processing disc-shaped registration carriers, provided with a number of processing stations in which the disc-shaped registration carriers are supported, and with a transport assembly by which said disc-shaped registration carriers can be moved from one processing station to another processing station. The transport assembly is fitted with interconnected, jointly driven holders for simultaneously taking hold of and moving the registration carriers between the processing stations. The processing stations are at least partially fitted with readily exchangeable processing units.

Abstract: A radiation source is presented that exhibits an improved efficiency of converting input energy into a quasi-blackbody output beam. A wavelength selective element can be included to transit one or more narrow bands of this radiation for use in spectroscopy. The intensity of the output beam can be varied quickly, thereby decreasing measurement times and enabling synchronous detection techniques to be implemented at reasonable frequencies. A feedback mechanism can be integrated into this device to enable accurate control of the blackbody temperature. This radiation source can be manufactured by conventional integrated circuit manufacturing techniques, thereby producing an inexpensive quasi-blackbody source of accurately and repeatably controlled performance.

Abstract: An interferometer including a beamsplitter and fixed and movable cube corner reflectors is adapted for use in a Fourier-transform infrared (FTIR) spectrometer. The spectrometer includes a cast metal base, such as of aluminum, with the interferometer including an IR source housing formed integrally with the base for dissipating heat via conduction. The IR source housing is hollow and open at the top for receiving a removable opaque printed circuit board (PCB) which is coupled to and provides support for and electrical current to an IR source within the housing. The housing includes two apertures in lateral portions thereof. An IR beam is directed by the source through a first aperture to the Michelson interferometer, while a second aperture is adapted to receive a fiber optic light guide to allow for direct viewing of the IR source in a safe manner without removing the PCB cover of the housing.