Abstract: An optical coupler can be provided for coupling a light beam into a waveguide. The optical coupler can include a stepped structure, such as to reduce difficulties during manufacture, reduce expenses associated with manufacture, and additionally, to provide an increased acceptance angle of the optical coupler. The waveguide can include a guiding region where a cladding thickness can be increased relative to a coupling region, such as to reduce losses due to evanescent outcoupling in the guiding region.

Abstract: In one embodiment, the invention relates to an apparatus for increasing the repetition rate in a light source. The apparatus includes a first optical coupler comprising a first arm, a second arm and a third arm; a first mirror in optical communication with the second arm of the first optical coupler; and a first optical delay line having a first end in optical communication with the third arm of the first optical coupler and a second end in optical communication with a second mirror, wherein light entering the first arm of the first optical coupler leaves the first arm of the first optical coupler either delayed by an amount (?) or substantially undelayed.

Abstract: An optical demultiplexer that separates, for each signal wavelength, signal light a plurality of wavelengths of which is multiplexed, the optical demultiplexer including: an antireflection film disposed at on an incident surface of a glass block; filters disposed on an emission surface of the glass block, the filters transmit light of a wavelength predetermined for each signal wavelength included in the signal light and reflect light of a wavelength other than the transmitting wavelength toward the incident surface; and a reflection film disposed on the incident surface of the glass block, wherein processing to reduce reflection of the reflection light into the glass block is applied on an optical path of the reflection light reflected by the filter disposed at an end away from the antireflection film.

Abstract: An optical signal routing device may include a first lens, second lens and a wavelength division multiplexer (“WDM”) filter positioned between the first and second lenses. The WDM filter may reflect a signal of a first wavelength with a first attenuation and pass the first wavelength signal attenuated by at most a second attenuation to the second lens, the first attenuation exceeding the second attenuation by a first predetermined amount. The WDM filter may reflect a signal of a second wavelength different than the first wavelength with at most a third attenuation, the first attenuation exceeding the third attenuation by at least a second predetermined amount. The device may further include a reflector positioned to reflect the first wavelength signal reflected by the WDM filter toward the WDM filter with at least a fourth attenuation, the fourth attenuation exceeding the second attenuation by at least a third predetermined amount.

Abstract: An integrated circuit that includes a wavelength-filter layer stack (which may include silicon oxynitride) and an optical substrate (such as a silicon-on-insulator platform) is described. During operation, an optical signal received from an optical fiber or an optical waveguide is wavelength filtered into a set of wavelength-filter optical waveguides by an optical multiplexer/demultiplexer (such as an Echelle grating and/or an array waveguide grating) in the wavelength-filter layer stack. Then, wavelength-filtered optical signals are optically coupled to the optical substrate, where they are received using photodetectors. Alternatively, modulators in the optical substrate modulate wavelength-filtered modulated optical signals, which are then optically coupled to the set of wavelength-filter optical waveguides in the wavelength-filter layer stack.

Abstract: The present invention relates to a method, as well as a fiber coupling unit, for coupling optical fibers to optical waveguides that are integrated into a substrate. The coupling unit features a contact surface for contacting the surface of the substrate with the integrated waveguides, as well as trench structures for accommodating optical fibers. The end faces of inserted fibers and/or a raised structure on the edge of the contact surface form a coupling or stopping face for the end face of the substrate with the integrated waveguides. At least one opening is produced in the contact surface and designed for accommodating a mechanical connecting element in a form-fitting fashion or guiding a mechanical connecting element parallel to the contact surface and perpendicular to the coupling or stopping face in a form-fitting fashion. Alternatively, the contact surface may also be rigidly connected to a connecting element protruding from the contact surface.

Abstract: A GRIN-lensed, tuned wedge waveguide termination, a method of reducing back reflection to a waveguide caused by the GRIN-lensed, tuned wedge waveguide termination and a terminated optical fiber. In one embodiment, the GRIN-lensed, tuned wedge waveguide termination includes: (1) a GRIN lens subassembly including a GRIN lens having a pitch greater than a quarter pitch such that a primary beam propagating through the GRIN lens subassembly forms a waist and (2) a tuned wedge subassembly bonded to the GRIN lens subassembly and having a length selected such that the tuned wedge subassembly ends at least proximate the waist, the tuned wedge subassembly further having a bevel angle selected to reduce a back reflection into the waveguide.

Abstract: The inventive high density optical packaging header apparatus, in various embodiments thereof, provides configurable, modular, and highly versatile solutions for simultaneously connecting multiple optical fibers/waveguides to optical-fiber-based electronic systems, components, and devices, and is readily usable in a variety of applications involving highly flexible and modular connection of multiple optical fibers/waveguides assembled in a header block configuration to optical-fiber-based system/component backplanes, while providing advantageous active and passive alignment features.

Abstract: An optical semiconductor device includes a base, a wiring substrate, and a sub-mount. The base includes a bottom wall, a side wall projecting from a peripheral edge of the bottom wall, and a flange extending outward from an upper end of the side wall. The wiring substrate includes a distal portion inserted into and fixed to the base. An optical element is mounted on the sub-mount. The bottom wall of the base includes a first seat to which the sub-mount is fixed and a second seat to which the distal portion is fixed. The second seat is located at a higher position than the first seat. An upper surface of the distal portion of the wiring substrate includes a pad connected to the optical element. An upper surface of the pad of the distal portion is flush with an upper surface of an electrode of the optical element.

Abstract: An interferometric measurement method aims at calculating angular misalignment between fiber and ferrule axes for single fiber ferrules. The misalignment is measured by scanning side surface of reference fiber inserted into the ferrule and side surface of the ferrule. For single fiber connectors and ferrules, the method also aims at calculating fiber core concentricity and ferrule circularity and for single fiber connectors, end face angle of polish. The concentricity, the circularity and the angle of polish are measured by scanning side surface of the ferrule and end face of the connector or ferrule. Interferometric data from the side surfaces of the reference fiber and the ferrule, or from the end face of the connector or ferrule and the side surface of the ferrule, is gathered during one scanning session—either one simultaneous scan or several scans without moving or re-inserting the connector or ferrule.

Abstract: A modified MT fiber optic ferrule has optical fiber receiving holes by the front end to receive the ends of optical fibers inserted into and through the ferrule. The optical fiber receiving holes are aligned with optical fiber openings in the center of the ferrule and have lenses formed in the optical fiber receiving holes to collimate from or focus light into the optical fibers in the fiber optic ferrules. The front end of the fiber optic ferrule may also have integral mating surfaces.

Abstract: An optical fiber connector includes a housing configured to mate with a receptacle, a collar body that includes a fiber stub and a mechanical splice device, a backbone to retain the collar body within the housing, and a boot. The backbone includes at least one guide channel to facilitate wrapping strength members of an optical fiber cable around the backbone and a cable jacket clamping portion to clamp the cable jacket of the cable. The boot actuates the cable jacket clamping portion of the backbone upon attachment to the backbone.

Abstract: An optical module for connecting between an optical fiber and a photoelectric conversion device mounted on a printed circuit board includes a main body made of transmissive material and having a slanted face and a bottom face, the slanted face being at an angle to the bottom face, a reception-purpose lens, and a transmission-purpose lens, wherein the slanted face serves as a mirror on an optical path extending in the main body between the reception-purpose lens and the transmission-purpose lens.

Abstract: An optical waveguide device includes a wiring substrate, a first cladding layer formed on the wiring substrate, a base protective layer formed on the first cladding layer and formed into a certain pattern, a core layer formed on the first cladding layer and the base protective layer, a recess portion having an inclined surface and formed from the core layer to the base protective layer, an optical path conversion mirror formed on the inclined surface, and a second cladding layer formed on the first cladding layer and the core layer. A refractive index of the base protective layer is smaller than a refractive index of the core layer. A width of the base protective layer is equal to or greater than a width of the core layer.

Abstract: An articulate joint mechanism includes a first link (L1, A1, M1, U1), a second link (L2, A2, M2, U2), a coupling (KR, KR1, ER, ER1, ER2, MR, UR) mechanically connecting the first link with the second link in a mutually moveable manner at least with one degree of freedom, and an optical fiber cable (11, 21, 31, 41) extending from the first link to the second link via the coupling, the optical fiber cable including a fiber cable core (F1, F2, F3, F4) and a sheath (C1, C2, C3, C4) surrounding the fiber cable core.

Abstract: Aspects of the embodiments are directed to an optics module including a top-side inner wall and a bottom-side inner wall. The optics module may include a receiving element for receiving a small form factor pluggable (SFP) device; a heat sink including a first portion, the first portion including a top side and a bottom side, the bottom side of the heat sink in contact with the receiving element; and a first springing element residing between the first portion of the heat sink and the top-side inner wall of the optics module, the first springing element configured to bias the top side of the first portion of the heat sink onto the receiving element. In some embodiments, the optics module also includes a thermal interface material residing between the bottom-side inner wall of the optics module and the second portion of the heat sink, the thermal interface material configured to establish a thermal conduction path between the bottom-side inner wall of the optics module and the heat sink.

Abstract: An apparatus and method of assembly are described that provide improved mechanisms for cooling an optoelectronic transducer in a fiber optic system. The apparatus includes a thermoelectric cooler (TEC) secured to the optoelectronic transducer for removing heat from the optoelectronic transducer in response to instructions from a TEC driver, as well as a microcontroller electrically connected to the TEC driver for monitoring temperature and communicating with the TEC driver to selectively activate and deactivate the TEC at least partially based on the monitored temperature and/or other measured/detected data to effect a more efficient cooling mechanism for optoelectronic transducers, such as VCSELs. In addition, the user may be able to configure the system to maintain the optoelectronic transducer within a user-defined range of temperatures.

Abstract: An optical apparatus includes: a semiconductor optical device integrating an optical coupler, an optical element, and an electrical circuit; and a printed circuit board including a main body and a metal piece. The body has first and second openings. The first opening, the metal piece and the second opening are arranged in a direction of a first axis. The first and second openings extend from the front and back faces of the body along the direction to the first and second faces of the metal piece, respectively. The metal piece is supported by the body. The semiconductor optical device is mounted on the first face of the metal piece in the first opening. The body has a supporting face connecting the first side of the first opening with the second side of the second opening and supporting the second face of the metal piece in the first opening.

Abstract: The disclosure provides an optical module, including a housing, a circuit board and a light conducting structure; a portion of the light conducting structure is disposed in the housing, another portion of the light conducting structure juts out from the housing; the circuit board is provided with a light source, and the light conducting structure is configured to conduct light emitted by the light source to an outside of the housing. The optical conducting module in the optical module can conduct light emitted from the optical module to outside of the optical module. The optical module allows the state inside the optical module to be conducted to and displayed in the outside of the optical module with optical signals as propagation medium. The state inside the optical module can be directly learned from the outside of the optical module housing, thereby extending application scenarios of the optical module.

Abstract: Techniques for WDM Mux/DeMux on cable and methods of making the same are described According to one aspect of the present application, a unit designed to provide multiplexing or demultiplexing (Mux/Demux) functions is implemented on cable. In other words, the Mux/Demux unit is coupled by a multi-fiber cable to a system (e.g., a system rack for router or switch that has multiple pluggable transceiver slots).

Abstract: A surface light emitting semiconductor laser element, comprises a substrate, a lower reflector including a semiconductor multi-layer disposed on the substrate, an active layer disposed on the lower reflector, an upper reflector including a semiconductor multi-layer disposed on the active layer, a compound semiconductor layer having a first opening for exposing the upper reflector and extending over the upper reflector, and a metal film having a second opening for exposing the upper reflector disposed inside of the first opening and extending over the compound semiconductor layer, wherein the metal film and the compound semiconductor layer constitute a complex refractive index distribution structure where a complex refractive index is changed from the center of the second opening towards the outside. A method of emitting laser light in a single-peak transverse mode is also provided.

Abstract: High-data-rate interconnect cables are disclosed, wherein electrical data signals are transmitted in a conductor assembly made of a thin metal layer surrounding a cylindrical support member. The cylindrical support member can be a high-resistivity conductor or a dielectric, such as a glass optical waveguide that supports the transmission of optical signals. The cylindrical support member can also be a core conductor that supports the transmission of electrical power and low-frequency auxiliary signals. The high-data-rate interconnect cables are self-equalizing, so that a data link transmission system that employs the high-data-rate interconnect cable does not require active equalization.

Abstract: An enclosure for telecommunication cables includes a body that defines an interior of the enclosure, a grounding base secured relative to the body, and at least one strain relief assembly having a strain relief member and grounding member that are jointly coupled to the grounding base. Related methods of installing enclosures are also disclosed.

Abstract: A grommet adapted for insertion into a cable hanger includes a generally C-shaped main body formed of a polymeric material and having a longitudinal axis. Such a grommet can be securely held by a cable hanger.

Abstract: The disclosure relates to a convenient-to-adjust extension ring and a camera lens filter bracket. The extension ring comprises an extension ring body, and a moving ring capable of rotating is arranged on the extension ring body; an axis of the moving ring is the same as an axis of the extension ring body, and first gear teeth are arranged on its circumferential surface; at least one adjusting knob capable of rotating is arranged on a lateral surface of the extension ring body, the adjusting knob is partially positioned in the extension ring body, and second gear teeth are arranged on its circumferential surface; and the second gear teeth are directly matched and meshed with the first gear teeth, or form indirect transmission connection with the first gear teeth through a gear set. The extension ring has advantage of easiness for machining and production.

Abstract: A camera module including a fixing unit including a hole formed therein; a moving unit including at least one lens, and configured to linearly move in the hole of the fixing unit; and a driving unit configured to drive the moving unit. Further, the driving unit includes a corresponding magnet arranged in the inner surface of the hole of the fixing unit; a moving coil surrounding the outer surface of the moving unit; and a fixed coil arranged in the fixing unit and configured to receive from the moving coil a current or voltage variable based on a distance with the moving coil.

Abstract: A lens barrel and an optical device having small sizes by saving a space for inner components such as a moving group while stably retaining and moving the inner components are provided. The lens barrel retains lenses while allowing movement along an optical axis. The lens barrel includes: a first frame; a second frame positioned inside the first frame; and n linear guide structures configured to allow movement of the second frame relative to the first frame along the optical axis, wherein the n linear guide structures include: n linear guide concave parts spaced apart from each other in a circumferential direction around the optical axis and extending along the optical axis; and n linear guide convex parts engaging with the n linear guide concave parts in a relatively movable manner, wherein some of the n linear guide concave parts are provided on the first frame, and the others of the n linear guide concave parts are provided on the second frame (n is an integer equal to or greater than 2).

Abstract: An aperture partitioning element for an imaging system is disclosed. The aperture partitioning element includes a plurality of segments each including a reflective surface and a body. The plurality of segments are each independently moveable in at least one of an x-axis, a y-axis, and a z-axis of the aperture partitioning element. The aperture partitioning element also includes at least one positioner received within the body of a corresponding segment. The at least one positioner is actuated to move the corresponding segment in at least one of the x-axis, the y-axis, and the z-axis.

Abstract: An F? lens for infrared large-format telecentric laser marking is disclosed, including a first lens element, a second lens element, a third lens element and a fourth lens element arranged sequentially along the propagation direction of an incident ray. The first lens element is a negative biconcave lens element including a first curved surface and a second curved surface. The second lens element is a positive meniscus lens element including a third curved surface and a fourth curved surface. The third lens element is a positive meniscus lens element including a fifth curved surface and a sixth curved surface. The fourth lens element is a plane lens adapted to play a role in protecting other lens elements. The first to third lens elements are arranged around a same axis along the propagation direction of the incident ray. The first to sixth curved surfaces are arranged sequentially along the propagation direction of the incident ray.

Abstract: An apparatus is disclosed, the apparatus including a lens body configured to fit within a standard cinematic movie camera, the lens body including a plurality of optical elements including a plurality of lenses and a sensor. The plurality of optical elements is arranged to receive two channels of visual images and provide the two channels of images to the sensor.

Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens comprises a first lens element, a second lens element, a third lens element, and a fourth lens element positioned in an order from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and an enlarged field angle, and the total length of the optical imaging lens may be shortened.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: The present invention discloses a photographic optical system which includes a first lens (focal length f1), a second lens (focal length f2), a third lens (focal length f3), a fourth lens (focal length f4), a fifth lens (focal length f5), a sixth lens (focal length f6) and a seventh lens (focal length f7). The photographic optical system disclosed in the present invention by optimizing rationally face shape, distributing refractive power, selecting optical material, is designed as a big relative stop photographic optical system, and can provide the imaging performance in low illumination environment.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: Disclosed are an optical lens assembly and an electronic apparatus including the disclosed lens assembly. The optical lens assembly includes a first lens group having positive refractive power, an iris diaphragm, and a second lens group having positive refractive power, which are arranged from an object side to an image side of an optical axis, the object side facing an object for image capture and the image side facing an imaging surface of an image sensor. The first lens group includes a first air lens having negative refractive power and a convex surface facing the object side and a second air lens having negative refractive power and two convex surfaces. The second lens group includes a lens closest to the image side of the optical axis that has positive refractive power and a convex surface facing the image side. The closest image-side lens includes an aspherical surface. The optical lens assembly has a maximum viewing angle of 130 degrees or more.

Abstract: A photographic objective lens includes seven lenses, wherein a first lens is a meniscus lens, a second lens is a meniscus lens, a third lens is a meniscus lens, a fourth lens is a biconcave lens, a fifth lens is a biconvex lens, a sixth lens is a biconvex lens, a seventh lens is a meniscus lens. The first lens has a first curved surface and a second curved surface, the second lens has a third curved surface and a fourth curved surface, the third lens has a fifth curved surface and a sixth curved surface, the fourth lens has a seventh curved surface and a eighth curved surface, the fifth lens has a ninth curved surface and a tenth curved surface, the sixth lens has a eleventh curved surface and a twelfth curved surface, and the seventh lens has a thirteenth curved surface and a fourteenth curved surface; wherein the first curved surface to the fourteenth curved surface are sequentially arranged along a transmission direction of incident light.

Abstract: Comprising, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group G3 having positive refractive power; a fourth lens group G4; a fifth lens group G5; and a sixth lens group G6; upon zooming from a wide-angle end state to a telephoto end state, a distance between the first lens group G1 and the second lens group G2, a distance between the second lens group G2 and the third lens group G3, a distance between the third lens group G3 and the fourth lens group G4, a distance between the fourth lens group G4 and the fifth lens group G5, and the distance between the fifth lens group G5 and a sixth lens group G6 being varied; and a predetermined conditional expression being satisfied, thereby providing a variable magnification optical system which has a high variable magnification ratio, is compact in size and has high optical performance, an optical apparatus, and a method for manufacturing the variable magnifi

Abstract: A projection zoom lens includes, sequentially from an enlargement conjugate side: a first lens group having negative refractive power; a second lens group having positive or negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; a fifth lens group having positive refractive power; and a sixth lens group having positive refractive power, and configured to perform a magnification variation by changing the interval between the respective lens groups, wherein the fourth lens group includes at least one positive lens and at least one negative lens, at least one of the positive lenses included in the fourth lens group satisfies the following Conditional Expressions: 0.71??g_Fp+0.004×?dp?0.73 and 15??dp?25, and the back focus of the entire projection zoom lenses satisfies the following Conditional Expression 1.0?BF/Fw?2.7.

Abstract: A catoptric imaging device for drill measuring comprising a laser guide, an imaging unit for converting optical image into image information, and processing the image information to obtain a drill measure, a catoptric assembly including a first conical surface, and a second surface including a frustoconical surface, wherein the first surface is arranged relative to the laser guide to reflect a cone beam onto an cross section of the drill to be measured, and wherein the smallest diameter of the frustoconical surface is larger than the largest diameter of the first surface to receive the cone beam reflections and reflect them towards the imaging unit, and wherein the imaging unit is arranged to receive an optical image from the frustoconical surface reflections to obtain a drill measure.

Abstract: A projection optical system for use in an image display apparatus having an illumination optical system applying light from a light source, and an image display device receiving the light from the illumination optical system to form a projection image includes a projector lens composed of plural lenses, a first mirror, and a second mirror formed of a concave mirror. The projection optical system is configured to project the projection image onto a projection surface. A projection luminous flux passing through the projector lens to be incident on the first mirror is a luminous flux exhibiting divergence. The projection luminous flux reflected off the second mirror after having reflected off the first mirror is converged once, and the once converged projection luminous flux is projected onto the projection surface. A lens surface of a lens located closest to the first mirror among the lenses of the projector lens is convex.

Abstract: A microscope for raster-free, confocal imaging of a sample arranged in a sample space has an illumination arrangement comprising a light source group having light sources which can be switched on individually, a detector arrangement, a pinhole arrangement which comprises a pinhole array and which has a plurality of pinhole elements which are adjacent to one another, wherein there is one pinhole element provided for each light source, and optics which irradiate each pinhole element with radiation of an individual light source of the light source group and confocally illuminate an individual spot located in the sample space, wherein one of the individual spots is associated with each pinhole element, and the individual spots are adjacent to one another in the sample space with respect to an incidence direction of the radiation, and the optics image the individual spots through the pinhole arrangement confocally on the detector arrangement.

Abstract: A scanning microscope includes a collecting lens that takes in a detection light, a focal position adjustment unit that moves in an optical axis direction of the collecting lens to make the collecting lens move in the optical axis direction, a detector positioned at a location that is optically conjugate to a pupil of the collecting lens, and a relay optical system that relays the pupil to the detector. The relay optical system includes a first optical element with a positive power, the first optical element being positioned in the focal position adjustment unit and converting the detection light that was converted by the collecting lens into a parallel light flux, into a convergent light flux to be emitted outside of the focal position adjustment unit, and a second optical element that is positioned outside of the focal position adjustment unit and between the detector and the first optical element.

Abstract: Certain aspects pertain to aperture-scanning Fourier ptychographic imaging devices comprising an aperture scanner that can generate an aperture at different locations at an intermediate plane of an optical arrangement, and a detector that can acquire lower resolution intensity images for different aperture locations, and wherein a higher resolution complex image may be constructed by iteratively updating regions in Fourier space with the acquired lower resolution images.

Abstract: A microscope tube lens that forms an enlarged image of an object by being combined with an infinity-corrected objective, the tube lens including in an order from an object side: a first lens group that has positive power and that includes a cemented lens; a second lens group that has negative power; and a third lens group that has positive power. A following condition expression is satisfied, where NA is a numerical aperture on an image side of the tube lens, FN is a field number of the tube lens, and ? is an airy disk diameter with respect to d line (588 nm) of the tube lens: 0.04<NA; and 1700?FN/?.

Abstract: Provided are systems, methods, and other embodiments associated with depth-resolved spatial-domain low-coherence quantitative phase microscopy for high-throughput analysis of 3D nanoscale architectural alterations in unstained tissue and cells. A spatial-domain low-coherence quantitative phase microscopy apparatus includes a drOPD mapping module, a transmission phase imaging module, and a bright-field and transmission phase imaging module. The drOPD mapping module includes a reflection-mode low-coherence spectral interferometry for drOPD mapping of unstained tissue. The transmission phase imaging module includes transmission quantitative phase imaging of unstained and stained tissue and produce an image registration reference. The bright-field and transmission phase imaging module includes bright-field imaging of H&E-stained tissue for nuclei identification and pathology correlation.

Abstract: Some embodiments provide a motion control system controlling an image projected from an underwater projection system in a water feature, pool, or spa. The system includes a rotatable base and a mirror support member hingedly coupled to the rotatable base. A first motor is coupled to the rotatable base and is configured to rotate the mirror support member in a first plane. A second motor is coupled to the rotatable base and a fixed mount, wherein the second motor is configured to rotate the rotatable base relative to the fixed mount thereby rotating the mirror support member in a second plane.

Abstract: According to the present invention there is provided a MEMS device comprising, a mirror which is connected to a fixed portion by means of a first and second torsional arm, each of the first and second torsional arms are configured such that they can twist about torsional axes so as to oscillate the mirror about a first oscillation axes, and wherein the first and second torsional arms are each configured to have two or more meanders and wherein the first and second torsional arms are arranged symmetrically relative to the first oscillation axis.

Abstract: A forward-on-forward high dynamic range architecture for digital micromirror devices device is provided. In particular, provided herein is a device that includes two digital micromirror devices (DMDs), each operated in a forward configuration, such that each is illuminated at a respective non-normal angle and a respective output image is reflected at a normal angle, a subject plane of a first DMD being parallel to the first DMD. Optics between the DMDs are configured to convey light reflected from the first DMD to illuminate an image plane at a second DMD in the forward configuration, the optics including an equivalent lens plane. At least one optical device between the DMDs is configured to: tilt the subject plane of the first DMD to an equivalent tilted subject plane, the equivalent lens plane, the equivalent tilted subject plane and the image plane all intersecting at a Scheimpflug intersection.

Abstract: In one embodiment, a method of controlling a micro-electro-mechanical-system (MEMS) photonic switch includes applying a voltage to an electrode of an initial mirror of a first mirror array of the MEMS photonic switch and illuminating a control beam. The method also includes reflecting the control beam off the initial mirror to form a control beam spot on a second mirror array of the MEMS photonic switch and detecting an initial location of the control beam spot to produce an initial optical response. Additionally, the method includes adjusting the voltage in accordance with the initial optical response while the control beam spot has a nonzero velocity.

Abstract: A light deflecting device which suppresses a vibration caused by swing of a light deflecting unit and transmitted to a fixed unit and prevents noise from being made on a housing to which the fixed unit is attached, including a light deflecting unit having paired beams on both sides of a movable unit having a light reflecting unit and a coil, and a fixed unit to which the light deflecting unit is swingably fixed through the beams and which includes a magnetic field forming unit, swings the movable unit with the beams as torsional rotation axes by an electromagnetic force generated by a driving current flowing to the coil and a magnetic field formed by the magnetic field forming unit, and a counter swing member in the fixed unit to be swung in a reverse phase to the light deflecting unit so it is opposed to the light deflecting unit.