Abstract: The present disclosure relates to a telecommunications connection device. The device including a housing, a plurality of single-fiber connectorized pigtails that extend outwardly from the housing and a multi-fiber connectorized pigtail that extends outwardly from the housing. The multi-fiber connectorized pigtail can be optically coupled with the single fiber connectorized pigtails. The device can include optical fibers routed from the multi-fiber connectorized pigtail through the housing to the single-fiber connectorized pigtails. The single-fiber connectorized pigtails can be more flexible than the multi-fiber connectorized pigtail.

Abstract: A boresight module includes a housing including an input window and an exit window. The boresight module further includes a lateral transfer hollow, dichroic beam splitter, retro-reflector (LTHSR) assembly supported by the housing. The LTHSR assembly includes a dichroic beam splitter. The boresight module further includes a corner cube coupled to the housing and a collimator including a collimator housing coupled to the housing and a target supported by the collimator housing. The target is configured to receive electromagnetic radiation from the input window to emit electromagnetic radiation through the exit window. A method of aligning a device with a boresight alignment module is further disclosed.

Abstract: The disclosure provides a positioning unit for an optical element in a microlithographic projection exposure installation having a first connecting area for connection to the optical element, and having a second connecting area for connection to an object in the vicinity of the optical element.

Abstract: An optical device includes a fixed tube that has a straight groove extending in a first direction parallel to an optical axis of the optical device, a cam ring that has a cam groove extending in a second direction intersecting to the first direction, a cam follower that is engaged with the straight groove and the cam groove, a lens unit that moves in conjunction with the cam follower in the first direction, and an auxiliary cam follower that is engaged with the straight groove and that is not engaged with the cam groove. When the fixed tube and the cam ring relatively rotate, the lens unit moves in the first direction. Further, the lens unit is fixed to the cam follower and the auxiliary cam follower.

Abstract: The lens driver having a lens frame; a movable member supports the lens frame so as to be able to move in the direction of the optical axis; a base member supporting the movable member through contact so as to enable movement in the directions perpendicular to the optical axis; elastic members with one end connected to the movable member and the other end connected to the base member, for pressing the movable member against the base member side elastically; a first driving portion for driving the lens frame in the direction of the optical axis; and second driving portions for driving the lens frame in directions that are perpendicular to the optical axis, wherein: power is supplied to the first driving portion, which is provided on the movable member side, through the elastic members from an interconnecting circuit that is provided on the base member.

Abstract: An optical element holding device adjusts an optical element about a first and second axis and includes a main support, and a first plate-shaped support mounted on the main support via a first flexure bearing. The first support can pivot about the first axis. A second support is mounted on the first support via a second flexure bearing and can pivot about the second axis and fasten to the optical element. A first and second actuating element are actuated from a same side of the optical element holding device. A transmission device connected to the first and the second supports transmits the second actuating element movement acting on the transmission device into a pivoting movement of the second support about the second axis. The pivoting positions of the first and second supports can be set by the actuating elements and the second axis is oriented substantially perpendicularly to the plate-shaped first support.

Abstract: The present invention provides an optical apparatus, which is configured to output image information and comprises a housing; a light source; an optical device; an optical device carrier, wherein the optical device is mounted on the optical device carrier and positioned on one side of the optical device carrier; a support plate positioned on the other side of the optical device carrier and being one part of the housing; and a connecting piece, wherein one end of the connecting piece penetrates the support plate and then is connected with the optical device carrier, and the relative positions of the connecting piece and the support plate are fixed.

Abstract: A handheld electronic device includes a first camera unit, a laser focusing module and a control module. The laser focusing module is configured for radiating a laser signal and receiving a feedback signal induced by a reflection of the laser signal when the first camera unit is activated. The control module is coupled with the camera unit and the laser focusing module. The control module is configured for monitoring a strength level of the feedback signal or a response time between the laser signal and the feedback signal, and selectively generating a command to trigger the first camera unit according to the strength level or the response time.

Abstract: A zoom lens is constituted by, in order from the object side: a positive first lens group; a negative second lens group; a positive third lens group; a positive fourth lens group; a negative fifth lens group, and a positive sixth lens group. The distances among adjacent lens groups change when changing magnification from the wide angle end to the telephoto end. The first lens group is constituted by, in order from the object side, a negative lens, a positive lens, and a positive lens. The third lens group has a positive lens at the most object side thereof. A predetermined conditional formula is satisfied.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is a meniscus lens with negative refractive power and includes a convex surface facing the object side. The second lens is with negative refractive power and includes a concave surface facing the object side. The third lens is with positive refractive power and includes a convex surface facing the image side. The fourth lens is with positive refractive power. The fifth lens is with positive refractive power. The sixth lens is with negative refractive power. The seventh lens is with refractive power.

Abstract: A lens including a first set of cavity regions, a second set of cavity regions and a third set of cavity regions is provided. The first set of cavity regions includes a first cavity region and a second cavity region, and a first reflection curved surface of the first cavity region faces a second reflection curved surface of the second cavity region. The second set of cavity regions includes a third cavity region and a fourth cavity region, and a third reflection curved surface of the third cavity region faces a first reflecting plane of the fourth cavity region. The third set of cavity regions includes a fifth cavity region and a sixth cavity region, and the first reflecting plane faces a refraction curved surface of the fifth cavity region and a refraction plane of the sixth cavity region. A light source apparatus is also provided.

Abstract: A lens module includes a first lens having positive refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having positive or negative refractive power, and a sixth lens having negative refractive power. One or more inflection points may be formed on an image-side surface of the sixth lens.

Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and seven lens element positioned in an order from an object side to an image side. Through the arrangement of convex or concave surfaces of the seven lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and seven lens element positioned in an order from an object side to an image side. Through the arrangement of convex or concave surfaces of the seven lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: An optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region thereof. The sixth lens element with refractive power has an object-side surface being concave in a paraxial region thereof. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region thereof.

Abstract: A projection lens assembly includes a first lens group, a second lens group, a third lens group and a fourth lens group, all of which are arranged in order from a projection side to an image source side along an optical axis. The first lens group is with negative refractive power. The second lens group is with positive refractive power and includes a projection side surface and an image source side surface, wherein both of the projection side surface and the image source side surface are convex surfaces. The third lens group includes a convex surface facing the projection side. The fourth lens group is with positive refractive power and includes a convex surface facing the image source side. The projection lens assembly satisfies: 1.4<F<3.5, wherein F is an F-number of the projection lens assembly.

Abstract: A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface. The image-side surface of the sixth lens has an aspheric shape with a pole-change point in a position off an optical axis.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies specific conditions.

Abstract: An optical path folding element includes an incident surface, a path folding surface and an exiting surface. The incident surface allows a light ray to pass into the optical path folding element. The path folding surface folds the light ray from the incident surface. The exiting surface allows the light ray to pass through and depart from the optical path folding element. At least one of the incident surface and the exiting surface includes an optical effective portion and at least one engaging structure symmetrically disposed around the optical effective portion. The engaging structure includes an annular surface portion and an inclined surface portion. The annular surface portion surrounds the optical effective portion, and the inclined surface portion is located between the annular surface portion and the optical effective portion. An angle between the annular surface portion and the inclined surface portion satisfies a specific condition.

Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.

Abstract: A method for making a gradient index infrared transmitting optic by thermally treating a preform, where the preform comprises two or more infrared transmitting glasses having different compositions and optical properties, where there is an interface between adjacent glasses, where during the thermal treatment one or more chemical elements from the glasses diffuses through one or more interface resulting in a diffused gradient index optical element comprising a gradient in the chemical element concentration, and where the optical element has a gradient in refractive index and dispersion. Also disclosed is the related infrared transmitting optical element made by this method.

Abstract: A first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a positive refractive power, a fourth lens group (G4) having a negative refractive power, and a fifth lens group (G5) having a positive refractive power are arranged in order along an optical axis from an object, and distances between each lens group change when zooming, and the first lens group (G1) is composed of two lenses, and the following expression (1) is satisfied: 0.07<D1/fw<0.46 where D1 denotes a thickness on the optical axis of the first lens group (G1), and fw denotes a focal length of the zoom lens (ZL) in a wide-angle end state.

Abstract: A zoom lens includes in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power, and at the time of zooming, the first lens unit is fixed, and at least two lens units positioned on an image side of the first lens unit move, and the first lens unit includes a plurality of lenses, and also has a cemented lens, and the cemented lens are included in the plurality of lenses, and the plurality of lenses includes one negative lens and three positive lenses, and the following conditional expressions (1), (2), and (3) are satisfied. 1.5<ndp<1.

Abstract: A zoom lens has, in order from an object side to an image side, a positive first lens unit, a negative second lens unit, a positive third lens unit, a positive fourth lens unit, and a fifth lens unit. In the zoom lens, the loci of the lens units moving for zooming are set appropriately, and a reflector for bending an optical path is placed at an appropriate position within the fifth lens unit.

Abstract: A compact, on-axis telephoto lens camera includes an arrangement of mirrors which receives incident light, and compresses and redirects the light, the arrangement having a primary mirror which receives the incident light, compresses and redirects the light toward a focal point of the primary mirror and has an opening defined at a central portion thereof, and a secondary mirror which receives light from the primary mirror and further redirects same. The camera also includes a cavity which extends into the camera from the opening of the primary mirror, aspheric lenses disposed at least partially within the cavity which receive the light from the multiple-mirror arrangement, and progressively expand and redirect the light received from the mirror arrangement, and an image sensor which receives the light from the aspheric lenses. The image sensor is disposed closely adjacent to the cavity such that a back focal length is substantially zero.

Abstract: A light-concentrating lens assembly for a solar energy system, the assembly comprising a primary off-axis quarter-section parabolic reflector for reflecting incident light, a secondary off-axis quarter-section parabolic reflector for receiving light reflected from the primary off-axis quarter-section parabolic reflector, a compound paraboloid concentrator (CPC) for receiving light reflected from the secondary off-axis quarter-section parabolic reflector and a housing for holding the primary and secondary off-axis parabolic reflectors as well as the CPC.

Abstract: High-resolution 3D optical polarization tractography (OPT) images of the internal fiber structure of a target tissue. Manipulation of dual-angle imaging data of the fiber orientation inside a target tissue leads to the determination of 3D imaging properties of the target tissue, allowing transmission of the 3D image properties of the target tissue to an OPT processor to produce high-resolution 3D images.

Abstract: An optical arrangement for being positioned in a beam path of a light microscope, having at least a first and a second optical assembly for providing structured illumination light from incident light. The optical arrangement provides for light to be guided over different beam paths to the various optical assemblies and in the direction of a sample. Electronic control means are provided and designed to illuminate, in each case, a beam path from the different beam paths to different optical assemblies at a point in time, in that at least a first beam combination mirror is provided for guiding light coming from various optical assemblies to a common beam path in the direction of a sample. The first beam combination mirror has reflective areas on which only light from one of the two optical assemblies is incident and has the light-permeable areas of the beam combination mirror in which only light from the other of the optical assemblies is incident.

Abstract: An image forming apparatus includes an imager that is electrically connected to an image sensor disposed at a position where light that has passed through a sample slice is incident on the image sensor, and an illumination system that emits illumination light successively in different illumination directions relative to a sample slice to illuminate the sample slice with the illumination light and that emits a first light having a peak in a first wavelength range and a second light having a peak in a second wavelength range. The image forming apparatus obtains a plurality of first-color images with the image sensor while the sample slice is being illuminated with the first light serving as the illumination light successively in the different illumination directions. The image forming apparatus obtains at least one second-color image with the image sensor while the sample slice is being illuminated with the second light in at least one of the different illumination directions.

Abstract: This patent application pertains to the optical laser microscopy field and proposes a simplified yet specific optical laser coupling method. The proposed method allows for a sensible reduction in size and complexity of laser based microscopes and related applications, especially in the area of nano particles detection and optical biosensing. Particularly the optical laser coupling proposed method can detect optical signals generated from sub-diffractive nanoparticles located in liquid solution on a standard glass coverslip. Thanks to the small size of the required components and to the usage of standard air-lens objective, without the presence of oil or special prism, this method can be easily embedded into a small, lightweight and portable device, which can properly operate even in absence of gravity.

Abstract: A microscope apparatus includes: a light source configured to emit illumination light to illuminate a specimen; a dimming input unit configured to set and input a light amount of the light source in a predetermined dimming range; a switching unit configured to switch a first instruction value instructing the light amount of the light source to a second instruction value larger than the first instruction value when a switching signal to switch the light amount of the light source is input; and a control unit configured to control a light amount of the illumination light emitted from the light source according to the first instruction value set and input by the dimming input unit or the second instruction value obtained by switching by the switching unit.

Abstract: A sample observation device includes an illumination optical system and an observation optical system, and the illumination optical system includes a light source, a condenser lens and an aperture member, and the observation optical system includes an objective lens and an imaging lens, and the aperture member has a light-shielding part or a darkening part and a transmission part, and the aperture member is disposed so that the light-shielding part or the darkening part includes an optical axis of the illumination optical system, and an image of an inner edge of the transmission part is formed inside of an outer edge of the pupil of the objective lens, and an image of an outer edge of the transmission part is formed outside of the outer edge of the pupil of the objective lens.

Abstract: An optics arrangement for a solid immersion lens (SIL) is disclosed. The arrangement enables the SIL to freely tilt. The arrangement includes a SIL having an optical axis extending from an engaging surface and a rear surface of the SIL; a SIL housing having a cavity configured to accept the SIL therein while allowing the SIL to freely tilt within the cavity, wherein the cavity includes a hole positioned such that the optical axis passes there-through, to thereby allow light collected by the SIL to propagate to an objective lens; and, a SIL retainer attached to the SIL housing and configured to prevent the SIL from exiting the cavity.

Abstract: An image acquiring method for acquiring an image using a measurement apparatus including an image acquiring means which acquires an image of a surface of a target to be measured in the unit of predetermined size pixels and a moving means capable of moving the target to be measured, the image acquiring method includes: acquiring an image of a first region from the surface of the target to be measured through the image acquiring means; acquiring an image of a second region, which is different from the first region, by moving the target to be measured, through the moving means; acquiring a differential image by subtracting, from either the image of the first region or the image of the second region, the other image; and overlapping the differential image multiple times.

Abstract: A method of generating in-focus images of measurement locations of a sample holder in a microscopy imaging system is provided. A camera array is positioned at a first distance from the sample holder. A first image of a measurement location is acquired using an imaging device disposed on the camera array. A candidate output image associated with the imaging device is developed in accordance with the first image. The camera array is positioned at a second distance from the sample holder and a second image of the measurement location is acquired using the imaging device. A portion of the candidate output image is updated in accordance with a portion of the second image in accordance with a selection criterion. The updated candidate image is transmitted.

Abstract: A biological specimen observation apparatus whereby observation of a biological specimen can be performed accurately. In macro observation, a biological change region is extracted from a macro image, a micro observation point corresponding to an extracted biological change region is registered, and an object for tracking is identified. In micro observation, it is judged from the micro image whether or not biological change has continued in the biological change region at the micro observation point, and the registered micro observation point is updated on the basis of this judgment result. It is possible to carry out both macro observation for detecting a biological change region and micro observation for observing the progress of growth of a partial minute region where biological change has been exhibited, and to carry out accurate observation of a biological specimen.

Abstract: The present invention relates to an optical element for use in a camera system for the inspection of passageways, a camera system for the inspection of passageways and a method of illuminating a passageway during inspection with a camera. An optical element for use in a camera system for the inspection of passageways comprises a first optical portion arranged to transmit light into a camera, a second optical portion arranged to transmit light emitted from a light source, the second optical portion located adjacent the first optical portion, and barrier means arranged to prevent light being transmitted from the second optical portion into the first optical portion.

Abstract: A flexible fluidic mirror system and a hybrid fluidic optical system is disclosed herein. The flexible fluidic mirror system generally includes a flexible fluidic mirror having an outer housing and a flexible membrane supported within the outer housing, and a fluid control system operatively coupled to the flexible fluidic mirror. A portion of the flexible membrane comprises a reflective coating or film or nanoparticles disposed thereon or sprayed on. The hybrid fluidic optical system generally includes a hybrid fluidic optical device (i.e., a lens or mirror) having an outer housing and a flexible membrane supported within the outer housing, and a fluid control system operatively coupled to the hybrid fluidic optical device. The hybrid fluidic optical device further includes a magnetically actuated subsystem configured to selectively deform the flexible membrane so as to increase or decrease the convexity of the flexible membrane of the hybrid fluidic optical device.

Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate comprises an electrode, a support plate surface and a substrate. An inorganic dielectric layer is located between the substrate and the support plate surface and is transmissive to light in the visible spectrum. An organic dielectric layer is located between the substrate and the support plate surface and is transmissive to visible light. The inorganic dielectric layer has an inorganic dielectric layer deformation behavior and the organic dielectric layer has an organic dielectric layer deformation behavior substantially equal to the inorganic dielectric layer deformation behavior.

Abstract: A method for fabricating an electrowetting display may include forming pixel electrodes on a support plate; depositing a first layer on the pixel electrodes; etching portions of the first layer to form pixel walls that partition pixel regions; depositing a second layer on the pixel electrodes and the pixel walls; etching portions of the second layer to form spacers on tops of the pixel walls; and depositing a hydrophobic layer to at least partially cover the pixel electrodes.

Abstract: The current invention concerns an apparatus and a method for positioning an optical element, said apparatus comprising a positionable part to which the optical element can be mounted; a base part; a suspension system, said positionable part being mounted on said base part in a movable manner with said suspension system; an actuation system for actuating movement of said positionable part with respect to said base part; and a control system for controlling movement of said positionable part.

Abstract: An electro-optical device includes a mirror being positioned above a surface of a substrate and modulating light, a torsion hinge being positioned between the mirror and the substrate, and supporting the mirror via a mirror support post such that the mirror is pivotable about an axis, and address electrodes being positioned between the mirror and the substrate, and supplying electrostatic forces between the address electrodes and the mirror. Each of the address electrodes includes a first address electrode that is positioned on a side of the axis in plan view, and a second address electrode that is positioned on the opposite side of the axis with respect to the first address electrode in plan view. The first address electrode and the second address electrode are driven independently of each other.

Abstract: A laser device is provided. The laser device includes: a laser tube having an opening in both ends thereof, and a fixing apparatus on at least one of the ends of the laser tube. The opening in at least one of the ends of the laser tube is sealed by the fixing apparatus. A movable assembly and a window are provided on the fixing apparatus. The window is movable relatively to the opening of the laser tube when being driven by the movable assembly, to change a transmission position of a laser light generated by the laser tube on the window.

Abstract: A design method of LED freeform surface illumination system based on XY-polynomial obtains a plurality of data points of a freeform surface, wherein each data point includes a coordinate value Qi and a normal vector Ni. A sum of squares e1(P) of coordinate differences in z direction between the coordinate value Qi and the freeform surface is applied, and by a sum of squares e2(P) between the normal vector Ni of the data points and normal vector ni of the freeform surface a modulus of vector differences is acquired. An evaluation function ƒ(p)=e1(P)+we2(P) is proposed and a plurality of freeform surface shapes obtained by selecting different weightings. The freeform surface shape which has the best imaging quality is achieved as a final shape, and a freeform surface lens based on the final shape is constructed to establish an LED freeform surface illumination system.

Abstract: A microscope includes at least one correction unit arranged in a beam path for correcting a variable spherical aberration. The correction unit has at least one optical correction element that is arranged in a convergent or divergent area of the beam path such that the optical correction element is movable along an optical axis. The at least one optical correction element has at least one correction surface. A part of the at least one correction surface through which the convergent or divergent area of the beam path passes forms a correction-effective surface section whose radial extension crosswise to the optical axis is adjustable by moving the correction element along the optical axis.

Abstract: The present invention relates to an optical projection system for a display, and more particularly to an optical projection system for a head-up display with improved light efficiency.

Abstract: The present invention relates to a heads up display system for a vehicle interior that includes a light modifying panel configured to cyclically transition between a substantially light transmissive state that facilitates light passage through the light modifying panel and a partially reflective state that facilitates light reflection toward a occupant of a vehicle. The heads up display system also includes a pulsating light source configured to cyclically project an image onto the light modifying panel, and a controller configured to control the pulsating light source and the light modifying panel so that the image is projected onto the light modifying panel while the light modifying panel is in the partially reflective state.

Abstract: A head-up display apparatus includes an image display surface that displays a color image by multiple pixels, each of the pixels being divided into sub-pixels. The color image displayed on the image display surface is projected to a transparent plate member provided in front of a driver seat, and the color image is displayed superimposed to a forward scenery of the transparent plate member. The image display surface includes a first region including a center position, and a second region other than the first region. Each of the pixels in the first region includes a sub-pixel displaying red, a sub-pixel displaying green, and a sub-pixel displaying blue. Each of the pixels in the second region includes multiple sub-pixels including a sub-pixel displaying color having a color phase biased to at least one direction of a red direction, a green direction, and a blue direction.

Abstract: A head-up display apparatus is provided with an image emission mechanism that emits image display light, and a combiner arranged in front of an eye (or eyes) of a pilot to introduce the image display light to the eye(s) of the pilot. The head-up display apparatus is equipped with a light guide including first and second plane arranged in parallel planes, an incidence plane including a first reflector and an emission plane including a second reflector disposed between the first and second planes. The light guide is configured to reflect image display light from the emission mechanism to the combiner.

Abstract: This invention relates to a cold mirror for a head-up display apparatus and provides a cold mirror that enables suppression of a phenomenon of change in color tone of an image depending on a position from which the image is viewed. This invention also provides a head-up display apparatus including the cold mirror. In a head-up display apparatus, display light of an image displayed on a display is reflected by a cold mirror and a reflected image of the image is viewed by a viewer. A relationship between an incident wavelength and a reflection phase difference in the cold mirror is set so that the reflection phase difference falls within a range of 180±60 degrees for an entire visible wavelength range of 420 to 680 nm.