Abstract: A method for determining a set of control parameters of a control sequence for a magnetic resonance device is provided. The set of control parameters is chosen from a plurality of sets of basic parameters. The method includes determining a mean flip angle for each set of basic parameters in an imaging region where an object exists using the set of basic parameters with a first measuring method. For each set of basic parameters, a signal strength of a magnetic resonance signal generated in the case of a reference flip angle of a second measuring method distinguished by a signal maximum or a signal minimum is determined, and the set of basic parameters having a signal strength that is extremal in accordance with the choice of reference flip angle is chosen as the set of control parameters.

Abstract: There is provided an MRI apparatus capable of measuring the B1 distribution of an RF transmission coil in a short time with high accuracy. In order to realize this, imaging means of the MRI apparatus includes a B1 distribution measurement sequence that includes an application of a pre-pulse by RF radiation means and a plurality of signal acquisition sequences with different elapsed time (TI) from the pre-pulse. The signal acquisition sequence uses a pulse having a small flip angle as an RF pulse and is executed before the longitudinal relaxation after the pre-pulse ends. Calculation means calculates the B1 distribution of the RF radiation means using image data with different TI acquired in the respective signal acquisition sequences.

Abstract: A method and apparatus for reporting almanac versions and almanac identification by a mobile station to a server is provided. The server compares the almanac version and almanac identification held by the mobile station with almanac versions and almanac identifications held by the server. The server then sends instructions to the mobile station to match the server versions of the almanac versions and almanac identifications for the almanac versions and almanac identifications that the mobile station should hold.

Abstract: Methods, program products, and systems of using a mobile WAP for location and context purposes are disclosed. In general, in one aspect, a server can estimate an effective location of a wireless access gateway using harvested data. The server can harvest location data from multiple mobile devices. The harvested data can include a location of each mobile device and an identifier of a wireless access gateway that is located within a communication range of the mobile device. In some implementations, the server can identify a mobile wireless access gateway based on a distance comparison. Data indicating the mobility of a wireless access gateway can be used by a mobile device to initiate one or more actions, including managing power of the mobile device, modifying entrance and exit conditions of virtual fences and determining a context of the mobile device.

Abstract: Methods and apparatus for a receiver having a single sideband mixer with all pass networks to remove unwanted sidebands down conversion of signals. In exemplary embodiments, a single chip receive/transceiver can be used in phased array radars. Since the need for bulky off-chip switch filter banks is eliminated, the number of chips for phased array antenna elements can be increased.

Abstract: A passive radar device includes: a pulse-by-pulse range compression unit executing cross-correlation processing between received signals of a direct wave and scattered wave on each of pulses divided by a direct-wave reception unit and a scattered-wave reception unit, and calculating a pulse-by-pulse range profile; a block-by-block Doppler processing unit calculating a first Doppler frequency spectrum by executing pulse-direction Fourier transform in block units each grouping plural pulses; a Doppler frequency cell-associated range migration compensation unit compensating a range-direction movement amount with respect to the first Doppler frequency spectrum on a Doppler-frequency-cell-by-Doppler-frequency-cell basis and on a block-by-block basis; and a block-direction Doppler processing unit calculating a second Doppler frequency spectrum by executing block-direction Fourier transform on an output from the Doppler frequency cell-associated range migration compensation unit.

Abstract: A radar device including an up-chirp tracking filter that performs a tracking process using a beat frequency at the time of an up-chirp to acquire a beat frequency, a down-chirp tracking filter that performs a tracking process using a beat frequency at the time of a down-chirp to acquire a beat frequency, target detectors that calculate distance and speed estimated values of the target for the chirps from beat frequency time series data about the chirps; an identical target determinator that determines whether or not the target detected for each of the chirps is an identical target using the distance and speed estimated values, and a distance and speed calculator that calculates a distance and a speed of the target using the beat frequency of the target which is determined to be an identical target.

Abstract: Described herein is an automotive radar system and related processing techniques utilizing a three channel switched antenna to improve the angular resolution of an azimuth tracking radar.

Abstract: A non-saturating receiver design and clamping structure for high power laser rangefinders of especial utility with respect to pumped, monoblock lasers. The receiver comprises a photodiode and a transimpedance amplifier having at least first and second stages. The first stage comprises a field effect transistor and the second stage comprises a non-saturating, non-inverting amplification stage including a differential pair of bipolar transistors having a feedback path coupling the second stage to the input of the first stage. A clamping structure for the receiver comprises a resistor coupling a cathode of the photodiode to a first voltage input and a clamping diode also coupling the cathode to a second lower voltage input. A capacitor having a capacitance Cs couples the cathode of the photodiode to a reference voltage line, wherein the capacitance Cs is greater than the capacitance of the photodiode CD.

Abstract: A method for producing an ultrasonic sensor for a motor vehicle is disclosed. The method involves providing a sensor housing, a membrane for emitting and/or receiving ultrasonic signals, and a decoupling element, which is arranged between the sensor housing and the membrane, the decoupling element being injection-moulded onto an inner surface of the sensor housing and the membrane being subsequently inserted into the sensor housing.

Abstract: A radar device for an automotive radar system includes a base, a first antenna module including a first transmitting antenna and a plurality of first receiving antennas for emitting a detection signal and generating a first signal receiving result, wherein the first antenna is fixed on the base, a second antenna module including a second transmitting antenna and a plurality of second receiving antennas for emitting the detection signal and generating a second signal receiving result, wherein the second antenna is fixed on the base, and a control system disposed in the base and coupled to the first antenna module and the second antenna module for outputting the detection signal to the first transmitting antenna and the second antenna and processing the first signal receiving result and the second signal receiving result.

Abstract: A system for autonomously mapping and tracking of ground targets at a location of interest has been disclosed. The system comprises at least one user control center in operative communication with one or more data relay satellites in Geostationary Equatorial Orbit (GEO), the data relay satellites in operative communication with one or more UAVs and/or SAR satellites with on-board different imaging sensors to obtain various types of imagery data from the ground targets. The data relay satellites target specific constant communication with the user control center and the UAVs and SAR satellites for continuous feedback and control. Moreover, the system process all raw data obtained from the UAVs and SAR satellites to produce 2D and 3D Digital Elevation Models (DEMs) and high resolution images, which are displayed on the user control center and/or selected mobile handheld devices.

Abstract: Disclosed herein is a system for detecting manipulation of a global time source such as a Global Navigational Satellite System (GNSS) signal and mitigating against such manipulation. A plurality of receivers with geographical diversity receive GNSS signals, and calculate a time signal to be distributed to consuming devices. The receivers also communicate calculated time signals with other receivers. The receivers compare the time signals, and when a difference between the time signals exceeds a predetermined threshold, the receivers indicate that manipulation is likely. Such indication is shared across the network of receivers. The indication is further shared with consuming devices of the time signal from the compromised receiver. A second time signal that is not compromised may be shared with the consuming devices and/or used by the consuming devices. The consuming devices may modify their behavior when in receipt of the indication.

Abstract: Described is a method and system that facilitates triage of thousands to millions of potential patients within a relatively short period of time by scanning of a substrate of a designated card issued to a victim. The method and the system comprise a plurality of noninvasive self-testing test devices located at a plurality of remote peripheral self-testing sites, and each one of the plurality of noninvasive self-testing test devices facilitates self-testing of the substrate of the designated card. Each of the plurality of noninvasive self-testing test devices provides test results of the scan of the substrate of the designated card, and the potential patients are identified, then subsequently screened and triaged based upon the test results of the scan of the substrate of the designated card.

Abstract: An imaging method includes obtaining a first image data for a subset of a target region, the subset of the target region having a first metallic object, obtaining a second image data for the target region, and using the first and second image data to determine a composite image. A imaging system includes a first detector configured to provide a first projection data using a first radiation having high energy, and a second detector configured to provide a second projection data using a second radiation having low energy, wherein the first detector has a first length, the second detector has a second length, and the first length is less than 75% of the second length.

Abstract: A survey meter according to the present invention is a portable radiation measurement device. The survey meter comprises a tip portion, an intermediate portion, and a grip portion. A display unit is provided on the top surface of the intermediate portion. The tip portion extends to the intermediate portion with a bent portion therebetween. The tip portion forms an inclined portion. The grip portion has a constricted portion. A radiation detection unit is provided inside the tip portion and is formed by a plurality of sensors arranged in the right-left direction.

Abstract: A scintillator can include a photosensor surface and a side surface adjacent to the photosensor surface. The photosensor surface can be adapted to provide scintillating light to a photosensor. In an embodiment, the scintillator can have grooves along the side surface, wherein the grooves have lengths extending in a direction toward the photosensor surface. In another embodiment, the scintillator can include a reflector and a clear adhesive between the scintillator and reflector. In a particular embodiment, the reflector is substantially white and has a gloss value of at least 50. The scintillator can be in the form of a scintillator element of an array or in the form of a single scintillator. The scintillator can be coupled to a photosensor within a radiation detection apparatus. For an array, a process of forming the array can include forming grooves along one or more side surfaces during a fabrication process.

Abstract: A direct-converting x-ray radiation detector is disclosed for detecting x-ray radiation, at least including a semiconductor used to detect x-ray radiation and at least one electrode attached to the semiconductor. In an embodiment, the semiconductor and the at least one electrode are electrically conductively connected and the at least one electrode is designed to be transparent and electrically conductive. A CT system is further disclosed, at least including the direct-converting x-ray radiation detector.

Abstract: A photonic spectrometry device is provided. The photonic spectrometry device comprises several identical spectrometers each spectrometer comprising a radiation sensor and being capable of providing a measurement spectrum corresponding to the measurements of the sensor during a time interval, the spectrometers being capable of performing measurements simultaneously on one same radiation-emitting product and of providing measurement spectra for one same time interval, and a processor capable of determining a net spectrum from each of the measurement spectra provided by the spectrometers for one same time interval, and of determining a global spectrum resulting from the summation of the net spectra determined for one same time interval.

Abstract: Methods and devices are disclosed for measuring low levels of acceleration caused by low frequency seismic waves. For example, an omnidirectional beam accelerometer configured to measure low frequency waves is disclosed. The omnidirectional beam accelerometer may include three beam acceleration sensors. Each beam acceleration sensor may include a respective mass and a respective beam. Each respective beam may be comprised at least in part of a piezoelectric material. Each beam acceleration sensor may have a ratio of mass density [kg/m3] to beam stiffness [N/m] of at least 4.5×10?5 kg/Nm2. The omnidirectional beam accelerometer may also include a housing to ensure the sensors are operating in orthogonal directions and an interface circuit to interface between the sensor and external circuitry.

Abstract: A system includes a seismic acquisition system that includes a plurality of nodes and further includes an unmanned airborne vehicle. The unmanned airborne vehicle is to be used with the seismic acquisition system to conduct a seismic survey.

Abstract: The present disclosure provides an apparatus and method for measuring electrical properties of an underground formation surrounding a borehole. The apparatus preferably comprises a downhole tool positionable in the borehole, a sensor pad positionable on the downhole tool, and a plurality of electrodes mounted on the sensor pad and configured to face a wall of the borehole. The apparatus further comprises an insulating layer extending over at least a portion of the plurality of electrodes facing the wall of the borehole.

Abstract: Methods, systems, devices, and products for estimating at least one parameter of interest of a volume of an earth formation, including density, porosity, and fluid saturation of the volume. Methods may include normalizing radiation information relating to radiation emissions from a spatially distributed nuclear source and indicative of a property of the earth volume using a correction factor determined using an estimated lithology of the volume. The nuclear source may be in the volume. Radiation emissions may be generated by neutron irradiation of at least one nuclide in the volume. The correction factor may be determined using any of nuclear density of the at least one nuclide; an estimated concentration of the at least one nuclide in the volume; or a parameter relating to concentration of the nuclide in the volume. The emissions may include gamma rays.

Abstract: A multi-spectral detection device is provided that includes a housing, a bezel spacer, a microphone, an end cap and electro-optical sensors mounted to the end cap. The housing has an inner chamber that holds sensor components. The bezel spacer has a first end and an opposed, second end. The first end of the bezel spacer extends from a first end of the housing. The bezel spacer has a central bezel passage leading to the inner chamber of the housing. The bezel spacer further has at least four side walls. Each side wall is positioned 90 degrees away from an adjacent side wall. A microphone is coupled to each side wall of the bezel spacer in such a manner that each microphone is faced 90 degrees with respect to an adjacent microphone to form a compact acoustic array. The end cap is coupled to the second end of the bezel spacer and the electro-optical sensors are mounted to the end cap.

Abstract: A detection apparatus includes: plural light emitting sections that are disposed in a row and that emit parallel light to a passage region, over which an object passes, in a time-staggered manner; one or more light receiving sections that receive the parallel light reflected by or having transmitted through the object, a number of the light receiving sections being less than a number of the light emitting sections; and a detection section that detects at least one of edges of the object and edges of a portion of the object with a different reflectivity or transmittance in accordance with an intensity distribution of the parallel light received by the light receiving sections.

Abstract: Durable hydrophobic antireflection structures for optical elements, optical windows, and front sheets of encapsulated photovoltaic and photonic devices are disclosed which can minimize reflection losses over the entire accessible portion of the solar spectrum simultaneously provide self-cleaning and finger-print-free surface. Reduced reflectance and self-cleaning surfaces are resulted from coating the front sheet of encapsulated device with combination of nonporous and porous nanostructured materials such as silicon dioxide nanorods and PTFE. Step-graded antireflection structures can exhibit excellent omnidirectional performance, significantly outperforming conventional quarter wavelength and low-high-low refractive index coatings. Methods of constructing nanostructured durable optical coatings with hydrophobic surfaces are disclosed that can cover large-area ridged and flexible substrates.

Abstract: A liquid crystal lens is disclosed. The lens includes a first transparent substrate and a second transparent substrate opposite the first transparent substrate. The lens also includes a liquid crystal layer between the first and second transparent substrates, and a first electrode layer on an internal surface of the first transparent substrate, where the first electrode layer includes a plurality of lens electrode groups, and where each of the lens electrode groups includes a plurality of strip electrodes. The lens also includes a second electrode layer on an internal surface of the second transparent substrate, and a column spacer between the first electrode layer and the second electrode layer, where the column spacer is between two adjacent lens electrode groups.

Abstract: There is provided a circularly polarizing plate that can prevent light leakage in an organic EL panel and can suppress the warping of the panel to reduce reflection unevenness in a panel surface. A circularly polarizing plate according to an embodiment of the present invention is used in an organic EL panel, and includes a polarizer and a retardation film directly bonded to the polarizer. In-plane retardations of the retardation film satisfy a relationship of Re(450)<Re(550); and a 90° adhesive strength between the polarizer and the retardation film is 1.0 N/20 mm or more.

Abstract: A display device includes a reflective polarizer plate including a first substrate defining an opening area and a non-opening area, and a wire grid polarizer which is disposed on a surface of the first substrate and includes a polarizing part including a plurality of nano wire patterns which is arranged in the opening area to be spaced apart from each other, and a reflecting part including a metal film provided in the non-opening area.

Abstract: A display device includes: a first light source which emits light; a second light source which emits light; a display panel which displays an image; a first light guide plate and a second light guide plate which guide, to the display panel, the light from the first light source and the light from the second light source, respectively; and a control unit which causes one of the first light source and the second light source to emit the light. A first divergence angle obtained when the light from the first light source enters the first light guide plate is larger than a second divergence angle obtained when the light from the second light source enters the second light guide plate.

Abstract: A light-emitting device including a lampshade and a light-source set arranged within the lampshade. The lampshade includes a light-reflecting structure set for respectively reflecting rays in a middle portion of light emitted from a corresponding light source, towards two sides of the corresponding light source. A backlight unit including the light-emitting device and a display device including the backlight unit are provided.

Abstract: Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. Display chassis structures may be used to support display layers and backlight components. A metal chassis may include a portion that partially surrounds the light source. Openings or perforations in the metal chassis may allow the portion that surrounds the light source to flex about a flex axis. A portion of a display layer may be mounted to a plastic chassis. The plastic chassis may be insert molded over a light source, may form part of a package for a light source, may be adhered to a light source, or may wrap around the light source. An encapsulant may be formed over the light source to protect the light source from vibrations and contaminants.

Abstract: Disclosed is an optical connection component manufacturing apparatus that manufactures an optical connection component in which a refractive index matching body is attached to a front end face of an optical fiber. The optical connection component manufacturing apparatus includes: a holding unit that includes a holding face holding a refractive index matching liquid including the refractive index matching body; a dispenser that supplies the refractive index matching liquid to the holding face; and a static electricity generating device that charges the optical fiber so that the refractive index matching liquid held on the holding face is adsorbed onto the front end face of the optical fiber, wherein the holding face has an outer peripheral edge connected in a curved line.

Abstract: A multi-core fiber (1) is a multi-core fiber including 10 or greater of even numbered cores and a cladding surrounding the core. In the even numbered cores, a half of cores (11a) are disposed in such a manner that centers are located on the apexes of a regular polygon (RP) whose center is at an origin point (O) in a cladding (20). In the even numbered cores, other cores (11b) are disposed in a manner that centers are located on perpendicular bisectors (LV) of the edges of a regular polygon on the inner side of the regular polygon (RP). The other cores (11b) are disposed in a specific range in the regular polygon (RP).

Abstract: A polarization-maintaining optical fiber of the invention includes: a core; a pair of stress-applying parts disposed at both sides of the core at a distance; and a cladding coat that surrounds the core and the paired stress-applying parts. The maximum refractive index of the core is greater than each of maximum refractive indexes of a first cladding coat, a second cladding coat, and a third cladding coat. The maximum refractive index of the second cladding coat is lower than each of maximum refractive indexes of the first cladding coat and the third cladding coat. The coefficient of thermal expansion of each of stress-applying parts is greater than a coefficient of thermal expansion of the cladding coat. Each stress-applying part is provided to cut the second cladding coat at a position in a circumferential direction.

Abstract: A silicon-based photonic crystal includes a silicon substrate, a first dielectric with a grating structure formed therein, and a second dielectric with a higher index of refraction that covers at least a portion of the grating structure. The first dielectric can be formed on the silicon substrate, or a Fabry-Perot optical cavity can be formed between the silicon substrate and the first dielectric. An instrument can excite a fluorophore coupled to the photonic crystal by focusing collimated incident light that includes the fluorophore's excitation wavelength to a focal line on the surface of the photonic crystal such that the focal line is substantially parallel to the grating direction and can detect fluorescence radiation emitted by the fluorophore in response to the incident light. To provide for fluorescence enhancement, the excitation wavelength and/or emission wavelength of the fluorophore can couple to an optical resonance of the photonic crystal.

Abstract: An embodiment waveguide polarization rotator includes an optical waveguide and an overlay strip. The optical waveguide has an input end and an output end oppositely disposed thereon. The optical waveguide is operable to receive, at the input end, an input optical signal having a mode having an input polarization. The optical waveguide is further operable to generate, at the output end, an output optical signal having an output polarization orthogonal to the input polarization. The overlay strip is disposed over and non-orthogonally crosses the optical waveguide. The overlay strip has a first end laterally offset from the optical waveguide by a first offset distance and a second end laterally offset from the optical waveguide by a second offset distance.

Abstract: An optical fiber fastening device holds an optical fiber which includes a core and a cladding layer surrounding the core. The cladding layer includes strips peeled from the core. The optical fiber fastening device includes a clamping member and a fastening sleeve. The clamping member includes a first and a second clamping portion buckled together to clamp the optical fiber, with one including at least one locating rod configured for being wrapped around by the strips, and the other including at least one locating hole receiving the at least one locating rod. The fastening sleeve sleeves over and holds the first and the second clamping portion together.

Abstract: A mechanism is provided for a fiber pigtail. The fiber pigtail includes a single mode fiber optic ribbon having a section of polymer ribbon removed to expose bare fibers, a fiber optic ferrule in contact with the single mode fiber optic ribbon at one distal end, and an integrated polymer lid permanently attached to the bare fibers of the single mode fiber optic ribbon at another distal end of the single mode fiber optic ribbon.

Abstract: An optical connector includes a first housing, a first ferrule which is embedded in the first housing, a second housing which is detachably fitted to the first housing; and a second ferrule which is embedded in the second housing and is butt-jointed to the first ferrule when the second housing is fitted to the first housing, and the first housing includes a tubular outer housing, and a tubular inner housing which is accommodated in the outer housing to be movable in a center axis direction of the outer housing and which accommodates the first ferrule.

Abstract: An alignment jig for an optical lens array is furnished on an optical alignment apparatus. The alignment machine is for performing active optical alignment operations of a sensor chip located on a circuit board and a lens socket plugged with a fiber plug. The alignment jig includes a support arm, a pick-up mechanism and a pushing mechanism. The support arm is fixed to the optical alignment apparatus for supporting the alignment jig. The pick-up mechanism is furnished on the support arm for picking-up and holding the lens socket in a detachable manner at a predetermined position corresponding to the sensor chip. The pushing mechanism holds the plugging status when the fiber plug is plugged into the lens socket and provides a pushing force, such that the fiber plug has a tendency to be pushed toward and engage the lens socket tightly.

Abstract: An optical transmitter package structure, comprising: a base, a circuit substrate, and a cylindrical light-coupling mechanism. The optical transmitter package structure of the present invention has following advantageous effects: once the packaging process of the optical transmitter of the present invention is completed, the resulting structure is compact and airtight. Consequently, the optical transmitter is well protected against moisture during use and has a long service life; the optical transmitter of the present invention has a sturdy overall structure which is resistant to damage by improper operation during assembly.

Abstract: A modified TO-can assembly is provided that has greater versatility with respect to spatial constraints than known TO-can assemblies and that is suitable for use in a wider range of applications than known TO-can assemblies. The modified TO-can assembly has a receptacle that has been modified to receive an optical fiber through its side instead of through its end. Within the TO-can assembly, the optical path is folded in order to couple the light between the optoelectronic component of the TOSA or ROSA and the end of the optical fiber. The combination of these features provides the modified TO-can assembly with a compact profile that makes it more versatile with respect to spatial constraints and therefore suitable for use in a wider range of applications.

Abstract: An optical-electric converting module includes a printed circuit board (PCB) and an optical-electric coupling element. The PCB includes a supporting surface, at least one laser diode, and at least one photo diode. The at least one laser diode and the at least one photo diode are positioned on the supporting surface and electrically connected to the PCB. The supporting surface defines at least one locating hole. The optical-electric coupling element includes a lower surface facing the supporting surface. The optical-electric coupling element defines a first cavity in the lower surface. The optical-electric coupling element includes at least one locating pole extending from the lower surface. The optical-electric coupling element is detachably connected to the supporting surface through the engagement of the at least one locating pole and the least one first locating hole, with each laser diode and each photo diode being received in the first cavity.

Abstract: A cable includes a jacket defining an exterior of the cable and a rigid tube. The cable further includes densely-packed strength members on the outside of the rigid tube, compressed between the rigid tube and the jacket, and loosely-packed strength members on the inside of the rigid tube. Further the cable includes a core that is interior to the tube.

Abstract: An enclosure includes a housing and a sealing unit that fits within a sealing unit opening of the housing. The sealing unit provides a seal around cable ports and provides a peripheral seal between the housing and the sealing unit. The sealing unit can include a sealant arrangement and an actuation arrangement for pressurizing the sealant arrangement within the sealing unit opening. The actuation arrangement can include inner and outer pressurization structures between which the sealant arrangement is positioned. The actuation arrangement includes first and second actuators each movable between a non-actuated position and an actuated position. When the first and second actuators are moved towards the actuated positions, the first and second actuators generate first and second seal pressurization forces that press the sealant arrangement between the first and second pressurization structures, and the first and second seal pressurization forces are transferred through respective first and second springs.

Abstract: A multiport optical fiber connection terminal with a compact footprint has a configuration that allows for easy accessibility and interconnection of cables, while providing several mounting options and including storage space within the terminal. The terminal may include cable connectors that are configured to allow for weather proof installation of pre-terminated fiber optic cables with the terminal ports.

Abstract: A filter wheel assembly includes a filter wheel and an optical assembly. The filter wheel includes a plurality of viewing openings. The optical assembly includes an optical element secured within an aperture of a housing. The optical assembly is securable to the filter wheel at a viewing opening by a magnetic force. An optical apparatus includes an optical assembly receiver and first and second optical assemblies. The first optical assembly is securable to the optical assembly receiver and the second optical assembly is securable to the first optical assembly by a magnetic force to align the optical assembly receiver and the optical assemblies.

Abstract: A device for aligning the optical axis of a camera is disclosed. The optical alignment device comprises a bracket attaching the device to a frame, the frame incorporating a camera system therein, the camera system having an optical axis projecting substantially horizontally from the camera system, a housing comprising a first part fixed to a first side of the bracket; and a second part comprising a prism refracting the optical axis of the camera system based on a power of the prism and a rotation of the prism with respect to the optical axis and a hinge between the first part and the second part, the hinge rotating the second part with respect to the first part.

Abstract: A thermally compensated optical subassembly having a rotationally symmetrical optical element and a monolithic mount with a rotationally symmetrical mounting ring, having an axis of symmetry, and at least three connection units. The optical element communicates with the mounting ring via the connection units, so as to be secured against tilting and fixed with respect to torsion. The connection units, in each instance, have three couplers which have a determined length ratio with respect to one another and are connected to one another and to the mounting ring and optical element such that defined conditions are met.