Abstract: A system includes: a light source; first and second gratings; and at least one reflective component that in a first position forms a first light path originating at the light source and extending to the first grating and thereafter to a subsequent component in the system, and that in a second position forms a second light path originating at the light source and extending to the second grating and thereafter to the subsequent component.

Abstract: A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces; the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces; and the optical multilayer film is disposed between the third and fifth surfaces. A second light beam enters the first prism through the first surface and exits by the second surface. The first light beam exits the lens assembly and enters the second prism through the eighth surface, and exits the first prism by the second surface. The lens assembly and the prism assembly satisfy: 0.80%?E1/E0?0.95%; wherein E0 is an energy of the first light beam emitted from the display and E1 is an energy of the first light beam passes through the lens assembly.

Abstract: In the image processing device, the image processing method, the program, and the recording medium according to an embodiment of the present invention, a processor connected to a memory, the processor configured to receive an input of an image set owned by a user, analyze each image included in the image set, determine a plurality of tag information of an imaging content in the image set based on an analyzing result of each image, set one or more objectives to be achieved by the user based on the plurality of tag information, and set one or more items to be executed by the user for each of the one or more objectives based on the analyzing result of each image, and perform control such that at least one of the one or more objectives or the one or more items is displayed on a display.

Abstract: In some embodiments, a stereoscopic imaging apparatus includes a tubular housing having a bore extending longitudinally through the housing. First and second image sensors are disposed proximate a distal end of the bore, each including a light sensitive elements on a face and mounted facing laterally outward. The apparatus further includes a first beam steering element associated with the first image sensor and a second beam steering element associated with the second image sensor. The beam steering elements receive light from first and second perspective viewpoints and direct the received light onto the faces of the image sensors forming first and second images. Either the first and second beam steering elements or the first and second image sensors are moveable to cause a change a spacing between or an orientation of the perspective viewpoints to cause sufficient disparity between the first and second images to provide image data including three-dimensional information.

Abstract: Some embodiments may include a method assessing whether a dynamic focus module in a three axis galvanometric scanning system (three-axis GSS) is associated with a focus calibration error. The method may include identifying a reference layer associated with a surface of the work piece and positive and negative offset distances each a difference distance above or below the reference layer, respectively, and selecting a target pattern based on the offset distances, wherein the pattern includes an individual line for each offset distance. The method may include commanding the three-axis GSS to draw the target pattern on the work piece, and then assessing whether the dynamic focus module is associated with the focus calibration error by correlating laser marking artifacts on the work piece to ones of the individual lines of the selected pattern. Other embodiments may be disclosed and/or claimed.

Abstract: A laser scanning unit includes a light source portion, a scanning portion, a first correction portion, and a second correction portion. The light source portion outputs a plurality of light beams. The scanning portion scans the plurality of light beams to form a plurality of electrostatic latent images, respectively corresponding to a plurality of colors including at least one reference color and at least one non-reference color, in an image forming portion. The first correction portion applies an external mechanical force to an optical element located in a path of a reference beam, corresponding to the reference color, among the plurality of light beams to correct distortion of a scan line of the reference beam. The second correction portion controls the light source portion to correct distortion of a scan line of a non-reference beam, corresponding to the non-reference color, among the plurality of light beams.

Abstract: A method of fabricating a composite integrated optical device includes providing a substrate comprising a silicon layer, forming a waveguide in the silicon layer, and forming a layer comprising a metal material coupled to the silicon layer. The method also includes providing an optical detector, forming a metal-assisted bond between the metal material and a first portion of the optical detector, forming a direct semiconductor-semiconductor bond between the waveguide, and a second portion of the optical detector.

Abstract: An apparatus includes a detector, a light source configured to emit light, a reflecting apparatus having multiple reflective facets, and a mirror. The reflecting apparatus is configured to rotate around an axis and arranged to reflect the emitted light from the light source and reflect backscattered light. The mirror is arranged to reflect the backscattered light from the reflecting apparatus towards the detector.

Abstract: Various arrangements and methods are disclosed for forming one or more perforations on a substrate surface using a laser system, at least one rotating polygon mirror, and at least one other movable mirror. A rotating polygon mirror may be used to define a plurality of perforations in a row set or band on a substrate surface by incrementing (e.g., moving) a first mirror between a plurality of fixed (e.g., pointing) positions. A rotating polygon mirror may be used to define a plurality of perforations in a row set or band on a substrate using a first mirror that is maintained in a fixed (e.g., pointing) position. A first rotating polygon mirror and a second rotating polygon mirror may be used to define a plurality of perforations in a row set or band on a substrate surface, where the first and second polygon mirrors are used to define an extent of a given perforation in two dimensions on the substrate.

Abstract: A scanner arrangement, suitable for use in laser scanning microscopes, for scanning a scanning field (42) by means of optical radiation (5). It is equipped with at least one scanner (1), which comprises a scanning mirror (2) that is tiltable about one or two scanning axes (3, 4) and means for rotating the scanning field, for scanning a size-variable scanning field and for centring the scanning field centre (43) when panning. The arrangement includes a mechanical pivot device (7) for rotating the scanning field (42). The pivot device is arranged to pivot the scanner (1) about a pivot axis (8). Pivoting is implemented through angular dimensions that correspond to an intended rotation of the scanning field.

Abstract: Embodiments of the disclosure provide a micromachined mirror assembly having a mirror-base layer, a first reflective layer on a top surface of the mirror-base layer, and a second reflective layer on a bottom surface of the mirror-base layer. In an example, the first reflective layer is reflective to incident light of the micromachined mirror assembly, and the first reflective layer and the second reflective layer are made of a same material and have same dimensions.

Abstract: A method of forming one or more structures by additive manufacturing comprises introducing a first layer of a powder mixture comprising graphite and a fuel on a surface of a substrate. The first layer is at least partially compacted and then exposed to laser radiation to form a first layer of material comprising the fuel dispersed within a graphite matrix material. At least a second layer of the powder mixture is provided over the first layer of material and exposed to laser radiation to form inter-granular bonds between the second layer and the first layer. Related structures and methods of forming one or more structures are also disclosed.

Abstract: A laser 3D printing method with orthopedic function, comprising the following steps: step one, measuring a projection characteristic of each spot within a scanning plane, to obtain a deformation quantity of a focused light spot at the each spot within the scanning plane before rectifying; step two, setting compensation quantities of the each spot within the scanning plane of a light spot orthopedic device according to the measuring result of the step one, so that the size of the focused light spot at the each spot within the scanning plane is consistent; step three, turning on the laser, and dynamically matching the light spot orthopedic device and a scanning device to perform the laser 3D printing. The laser 3D printing method and system thereof with orthopedic function could ensure the size of the focused light spot is consistent within the scanning plane, thereby ensuring the quality of 3D printing.

Abstract: A direct retinal projector system that provides dynamic focusing for virtual reality (VR) and/or augmented reality (AR) is described. A direct retinal projector system scans images, pixel by pixel, directly onto the subject's retinas. This allows individual pixels to be optically affected dynamically as the images are scanned to the subject's retinas. Dynamic focusing components and techniques are described that may be used in a direct retinal projector system to dynamically and correctly focus each pixel in VR images as the images are being scanned to a subject's eyes. This allows objects, surfaces, etc. that are intended to appear at different distances in a scene to be projected to the subject's eyes at the correct depths.

Abstract: Embodiments of the disclosure provide a Light Detection and Ranging system. The system may include a light source configured to emit a light beam, a first apparatus configured to adjust the light beam and a second apparatus configured to adjust the light beam and receive the reflected light beam from a first rotatable mirror. The first apparatus may include the first rotatable mirror configured to receive and reflect the light beam, and a first actuator configured to rotate the first rotatable mirror. The second apparatus may include a second adjustable mirror configured to receive and propagate the light beam, a second actuator configured to adjust the second adjustable mirror, and a detector configured to receive the light beam reflected by the object. The first rotatable mirror is further configured to receive and reflect the light beam reflected by the object to the detector.

Abstract: Various embodiments described herein provide multi-projector (i.e., two or more) imaging apparatuses utilizing integrated illumination-aimer optics. Embodiments of the present disclosure minimize irreparable component offset to improve overall accuracy associated with the functioning of the apparatuses. Additionally, the integrated illumination-aimer optics enables embodiments disclosed herein to be provided in a significantly smaller form factor than conventional multi-projector imaging apparatuses.

Abstract: An optical array includes a plurality of optical elements arrayed in a longitudinal direction of the optical array, each of the optical elements comprises a convex portion, a part of which is surrounded by a first groove, and a pair of flange sections between which the optical elements are arrayed. A second groove that communicates with the first groove of each optical element is formed on at least one of the flange sections.

Abstract: A system includes: a light source; first and second gratings; and at least one reflective component that in a first position forms a first light path originating at the light source and extending to the first grating and thereafter to a subsequent component in the system, and that in a second position forms a second light path originating at the light source and extending to the second grating and thereafter to the subsequent component.

Abstract: An optical cavity includes: a first elliptical mirror, having a first focal axis A1, and designed to reflect a light beam emitted by a light source; a second elliptical mirror, having a second focal axis A2; a third elliptical mirror, having a third focal axis A3, the light beam exiting from the third elliptical mirror being designed to be received by a detector; a first reflector, arranged to reflect the light beam exiting from first elliptical mirror in the direction of the second elliptical mirror, and arranged to reflect the light beam exiting from second elliptical mirror in the direction of the third elliptical mirror; the first, second and third elliptical mirrors being arranged so that A1, A2 and A3 have a point of intersection F, corresponding to a focus common to the first, second and third elliptical mirrors.

Abstract: An adaptive beam scanning headlamp for a vehicle includes a plurality of light sources arranged linearly, with each of the plurality of light sources having a linear array of LEDs. A plurality of primary projection lenses shape light from the plurality of light sources. An oscillating mirror obliquely angled between the plurality of primary projection lenses and a secondary projection lens receives light from the plurality of primary projection lenses and redirects the light to the secondary projection lens. The secondary projection lens is adapted to further shape the light for projecting a beam pattern from the vehicle. A controller is adapted for controlling each of the plurality of light sources and the oscillating mirror to actively dim or turn off portions of the beam pattern for reducing glare perceived outside the vehicle.

Abstract: A scanning assembly for scanning at least one object appearing in a field of view includes a circuit board, a shock assembly adjacent to the circuit board, a scanning module defining a scanning axis defined along a first side of the module, a shielding assembly at least partially surrounding the scanning module, and a frame assembly including at least one opening to accommodate at least a portion of the shielding assembly. The scanning module is operably coupled to the shock assembly such that the shock assembly is disposed between the scanning module and the circuit board. The frame restricts movement of the scanning module and the shielding assembly. The scanning module and the shock assembly are movable in a direction parallel to the scanning axis, and the shock assembly is adapted to dampen a force exerted by the scanning module on the circuit board.

Abstract: A vehicular vision system includes a camera disposed at a vehicle having a field of view at least forward, rearward and/or exterior of the equipped vehicle. An image projection device is disposed in the vehicle and includes a biaxial microelectromechanical scanner and at least one light source operable to emit light. Light emitted by the at least one light source, when operated, is projected by the biaxial microelectromechanical scanner towards a windshield of the vehicle so as to form video images that are viewable by a driver of the vehicle viewing the windshield when driving the vehicle. The video images viewed by the driver viewing the windshield include video images derived from image data captured by the camera.

Abstract: Methods for manufacturing MEMS structures are provided. The method for manufacturing a microelectromechanical system (MEMS) structure includes etching a MEMS substrate to form a first trench and a second trench and etching the MEMS substrate through the first trench and the second trench to form a first through hole and an extended second trench. The method for manufacturing a MEMS structure further includes etching the MEMS substrate through the extended second trench to form a second through hole. In addition, a height of the first trench is greater than ¾ of a height of the MEMS substrate, and a height of the second trench is smaller than ? of the height of the MEMS substrate.

Abstract: A backlight unit includes a light source; a condensing unit that condenses light emitted from the light source; and a diverging unit that diverges the light entering from the condensing unit and that emits the light toward an image display unit of a light transmission type in a head-up display device. For example, the diverging unit is a lens in which both surfaces of an incident surface into which the light from the condensing unit enters as well as an emission surface from which the light is emitted toward the image display unit, are concave surfaces.

Abstract: Disclosed are a microaspiration-based lung window apparatus for obtaining a microscopic image of in vivo lung tissue and a method for using the window apparatus to obtain cell-level and molecular level microscopic images of in vivo lung tissue while maintaining physiological respiration and circulation of an animal without interference. In one embodiment, a lung window apparatus comprises an open window having the upper and lower parts open, a cover glass placed over the upper part and lung tissue coming in contact with the lower part; an aspiration tube extending from one side of the open window to an aspiration apparatus enabling the inside of the open window to be in a vacuum state; and a tilting mount placing unit extending from one side of the open window having a tilting mount to enable the cover glass and an object lens of a confocal microscope system to stay parallel to each other.

Abstract: An image forming apparatus includes a light scanning device, a light detection unit, and a positional-deviation-amount calculation unit. The light detection unit includes a slit-shaped first light detection region and a slit-shaped second light detection region arranged to have mutually different angles with respect to a scanning direction of the light beam, and outputs a detection signal when the light beam passes through each of the light detection regions. The positional-deviation-amount calculation unit calculates a time period until when the light beam passes through the second light detection region from when the light beam has passed through the first light detection region for each scan of the light beam based on the detection signal output from the light detection unit, and calculates a variation characteristic of a positional deviation amount in a sub-scanning direction of the light beam associated with rotation of the polygon mirror.

Abstract: A mirror for an ophthalmic laser treatment device that is movable on an axis from a position in a treatment laser beam path to a position out of the treatment laser beam path. The mirror reflects light from a light source into the eye of a patient. The mirror is biased towards a position in the path and is moved out of the path by an actuator just long enough for the laser treatment to be applied and without noticeable interruption to viewing by a user.

Abstract: Mirror control circuitry described herein is for controlling a first micro-mirror of a micro-mirror apparatus that scans across a target area in a scan pattern. The mirror control circuitry includes a processor that determines a mechanical angle of the first micro-mirror for a given instant in time during scanning of the first micro-mirror between upper and lower rotational limits, the mechanical angle being such to maintain the scan pattern as being uniform while the micro-mirror apparatus scans across the target area between the upper and lower rotational limits. The processor also generates a driving signal for the first micro-mirror as a function of the determined mechanical angle for the first micro-mirror at the given instant in time.

Abstract: Optical apparatus (64) includes a stator assembly (47), which includes a core (78, 90, 91) containing an air gap and one or more coils (80, 92, 94, 116, 120) including conductive wire wound on the core so as to cause the core to form a magnetic circuit through the air gap in response to an electrical current flowing in the conductive wire. A scanning mirror assembly (45, 83, 85, 130) includes a support structure (68), a base (72), which is mounted to rotate about a first axis relative to the support structure, and a mirror (46), which is mounted to rotate about a second axis relative to the base. At least one rotor (76, 132) includes one or more permanent magnets, which are fixed to the scanning mirror assembly and which are positioned in the air gap so as to move in response to the magnetic circuit. A driver (82) is coupled to generate the electrical current in the one or more coils.

Abstract: An optical scanner includes a movable section, shaft sections configured to support the movable section to be capable of swinging, a supporting section configured to support the shaft sections, a holding section joined to the upper surface of the movable section, a light reflecting section provided in the holding section, a wire provided on the lower surface of the supporting section, and a projecting section provided on the lower surface of the movable section. The supporting section, the movable section, and the shaft sections are formed from the same substrate.

Abstract: Technologies are generally described to display of an Augmented Reality (AR) image using a micromirror on an eyeglass. In some examples, AR data may be received at a controller coupled to a laser transmitter positioned on a surface of a frame of the eyeglass. The laser transmitter may transmit a laser signal modulated by the received AR data onto the micromirror positioned on, preferably, a proximal surface of a lens of the eyeglass. Concurrently, an electrical signal may be transmitted to a base of the micromirror causing the micromirror to oscillate in correlation with an intensity of the laser signal such that the AR image is created on a retina. In another embodiment, the laser signal modulated by the received AR data may be reflected from a plane mirror positioned on the proximal surface of the frame, forward to the laser transmitter, to transmit the laser signal onto the micromirror.

Abstract: Disclosed herein is a display apparatus.

Abstract: There is provided a scanning microscope so configured that when the position of the exit pupil of an imaging optical system and a position conjugate to the exit pupil change, the position of the rotation center of a scanned light flux is moved and follows the changed exit pupil position. A scanning microscope includes a light source, an objective lens, and a scan unit. The scan unit includes first to fourth deflectors, and the deflection angle of illumination light deflected off each of the first to fourth deflectors is so controlled that the pivotal point of the illumination light deflected off each of the first and second deflectors and the pivotal point of the illumination light deflected off each of the third and fourth deflectors substantially coincide with the exit pupil of the objective lens or a position conjugate to the exit pupil.

Abstract: An image forming apparatus includes a light source, an optical deflector, an optical deflector casing, a bearing, and a sound absorption unit. The optical deflector reflects and deflects an optical beam emitted from the light source, having a rotational reflection member disposed on a rotation shaft to perform optical scanning. The optical deflector casing seals a space in which the optical deflector. The bearing rotatably supports the rotation shaft of the rotational reflection member with respect to the optical deflector casing, and includes at least portion exposed to an external space outside the sealed space of the optical deflector casing. The sound absorption unit is disposed opposite the exposed portion of the bearing with the external space therebetween.

Abstract: According to an embodiment of the disclosure, a system for providing thermal management of an obscured laser system is provided that includes a primary mirror, a secondary mirror, and a plurality of energy redirectors. The primary mirror is configured to reflect beam energy for the laser system. The secondary mirror is configured to function as a limiting aperture for the laser system and is aligned on-axis with respect to the primary mirror. The energy redirectors are each configured to redirect energy away from a corresponding obscuration and out of the laser system.

Abstract: A method is described for aligning a light beam, having the steps of: deflecting the light beam by way of a first mirror element and a second mirror element, the first mirror element being displaced through a first deflection angle around a first rotation axis, and the second mirror element being displaced through a second deflection angle around a second rotation axis inclined with respect to the first rotation axis, and the second mirror element being additionally displaced through a third deflection angle around a third rotation axis that is inclined with respect to the second rotation axis, and the first mirror element being displaced around a first mirror normal line of the first mirror element through a first compensation angle defined for the third deflection angle, and/or the second mirror element being displaced around a second mirror normal line of the second mirror element through a second compensation angle defined for the third deflection angle.

Abstract: A scanning lens molded of resin includes: a lens portion having an elongate shape extending in a main scanning direction and having first and second longitudinal ends located opposite to and away from each other in the main scanning direction; and a flange portion extending outward in the main scanning direction from the first longitudinal end of the lens portion. The scanning lens has first and second sides located opposite to and away from each other in a sub-scanning direction, and a first protrusion is provided on the first side to protrude outward in the sub-scanning direction. The flange portion protrudes farther beyond the first longitudinal end in an optical axis direction of the lens portion. As viewed from the sub-scanning direction, the first protrusion is located at a position overlapping an interface between the lens portion and the flange portion.

Abstract: A scanning lens molded of resin includes: a lens portion having an elongate shape extending in a main scanning direction and having first and second longitudinal ends located opposite to and away from each other in the main scanning direction; and a flange portion extending outward in the main scanning direction from the first longitudinal end of the lens portion. The scanning lens has first and second sides located opposite to and away from each other in a sub-scanning direction, and a first protrusion is provided on the first side to protrude outward in the sub-scanning direction. The flange portion protrudes farther beyond the first longitudinal end in an optical axis direction of the lens portion. As viewed from the sub-scanning direction, the first protrusion is located at a position overlapping an interface between the lens portion and the flange portion.

Abstract: A continuous scanning module is described, comprising: a polygonal scanning drum (9) rotating at substantially constant speed (f9) and provided with a plurality of first reflecting side faces (9.1-9.7) and at least one polygonal forward motion compensation-forward motion compensation drum (15) rotating synchronously with the scanning drum (9). The forward motion compensation drum (15) is provided with second reflecting side faces (15.1-15.7)) each of which receives an image from a corresponding first reflecting face of the scanning drum, and reflects it towards a scanning path.

Abstract: A device (100) for variable deflection of light is described, encompassing a micromechanical mirror arrangement (14) having a plurality of light-reflecting mirror actuators (18, 20, 22, 24, 26), and a control unit (32) with which the mirror actuators (18, 20, 22, 24, 26) are controllable into different reflection positions in order to vary the light deflection. The device (100) has a back-reflection structure (60), systematically adapted to the mirror arrangement (14), for reflecting back onto another portion of the mirror actuators (18, 20, 22, 24, 26), in targeted fashion, the light reflected onto the back-reflection structure (60) from one portion of the mirror actuators (18, 20, 22, 24, 26).

Abstract: For processing eye tissue (8) by means of femtosecond laser pulses, an ophthalmological device (1) includes a projection optical unit (2) for the focused projection of the femtosecond laser pulses into the eye tissue (8). Disposed upstream of the projection optical unit (2) is a first beam-deflecting scanner system (3) for scanning the eye tissue (8) with the femtosecond laser pulses along a processing line (s). A second beam-deflecting scanner system (5) is disposed upstream of the first scanner system (3) and is designed for scanning the eye tissue (8) with the femtosecond laser pulses on a scanning curve (f) superimposed on the processing line (s). The second scanner system (5) has a scanner speed that is a multiple of the scanning speed of the first scanner system (3), and comprises at least one deflection mirror, a first scanning axis (51) and a second scanning axis (52).

Abstract: A beam control apparatus for an illumination beam includes an imaging illumination optical unit assembly for imaging an intermediate focus of the illumination beam onto an object field to be illuminated. A control component that influences a beam path of the illumination beam is displaceable in at least one degree of freedom by at least one displacement actuator. A position sensor device of the beam control apparatus detects a position of the intermediate focus. A control device of the beam control apparatus is signal-connected to the position sensor device and the displacement actuator. From an intermediate focus position signal received from the position sensor device, the control device calculates control signals for the displacement actuator and forwards the latter to the displacement actuator for controlling the position of the intermediate focus. This results in a beam control apparatus which makes well-controllable illumination possible together with a simple construction.

Abstract: A multi-laser projection device includes: a plurality of first assemblies, each including a fixed assemblage of a respective laser diode and an associated first collimator lens; a second assembly that forms a fixed assemblage of a beam combiner and a respective second collimator lens that is fastened on an entry surface of the beam combiner and that appertains to a respective laser diode; and a deflection unit. The plurality of first assemblies, the second assembly, and the deflection unit are mounted in a common housing so as to be adjusted to one another.

Abstract: An optical scanning device includes a vertical-cavity surface-emitting laser light source that emits laser beams perpendicular to a top surface thereof; a first optical system that couples the beams from the light source; a deflecting unit that deflects the beams; a second optical system that guides the beams from the first optical system to the deflecting unit; a third optical system that focuses the beams deflected by the deflecting unit into an optical spot on a scanned surface; and a light-quantity adjusting element disposed between the light source and the deflecting unit and having a substrate formed of a first and second surfaces. The first surface of the light-quantity adjusting element is coated with neutral density coating and the second surface is coated with antireflection coating so that reflectance of the second surface is made smaller than reflectance of the first surface.

Abstract: A motion control system and a method for biosensor scanning which scans a light beam spot over one or more of the biosensors supported by a microplate with an optical scanner system, the method including: defining a scan path for an optical scanner including selecting axes representing properties of the scan path and selecting a time series, calculating a piecewise polynomial function of time between each point in the time series; and scanning the light beam spot over one or more biosensors according to the defined scan path, as described herein.

Abstract: A magnetic force drive device (7) has the first movable part (100) and the first driving unit (200). The first movable part (100) has the first movable plate (111), and a permanent magnet (120) that is magnetized in a direction substantially parallel to the first movable plate (111), and is supported by the first frame body (112) and the first pair of beam parts (113), so as to be able to oscillate around the Y axis, which is substantially parallel to the first movable plate (111) and substantially perpendicular to the direction in which the permanent magnet (120) is magnetized. The first driving unit (200) has a yoke (210), and a coil (220) that magnetizes the yoke (210). The yoke (210) has the first end part (211a), and a second end part (212a) that is placed on substantially the opposite side of the first end part (211a) against one magnetic pole of the permanent magnet (120).

Abstract: A scanning device that scans a beam emitted from a light source, includes: a beam condensing unit that condenses the beam emitted from the light source; a beam diverging unit that is arranged on an output side of the beam condensing unit, and diverges the beam condensed by the beam condensing unit; a first scanning unit that is arranged between the beam condensing unit and the beam diverging unit, and scans the beam condensed by the beam condensing unit; and a moving unit that moves at least one of the beam condensing unit and the beam diverging unit along respective optical axis directions thereof, in accordance with a scan angle of the first scanning unit.

Abstract: An image compensated multi-beam system includes a beam splitter configured to receive an input light beam and split the input light beam into a plurality of processing light beams, beam scanning optics configured to receive the plurality of processing light beams and to scan the beams at a target, and an image compensation subsystem configured to selectively adjust the rotation of an image of the plurality of processing light beams at the target. A method for compensating a multi-beam image includes splitting an input light beam into a plurality of processing light beams with a beam splitter, scanning the plurality of processing light beams across a target with beam scanning optics, and selectively adjusting the rotation of an image of the plurality of processing light beams at the target.

Abstract: A light guide module is applied in an optical touch module. A focusing component of the light guide module focuses the light emitted from a light guide component of the light guide module, so that all the light emitted from the light guide component can be convergently distributed in a touch area of the optical touch module. In this way, the light provided by a lighting component of the optical touch module can be effectively utilized, and the signal to noise ratio of the received signal of a sensor of the optical touch module increases. Therefore, the optical touch module can determines the location of the finger or the contacting object more correctly.

Abstract: A family of microscopes include an illumination device which produces a planar light sheet along an illumination axis of an illumination beam path and a transverse axis normal to the illumination axis. A detection device detects light emitted from the sample region along an axis of detection of a detection beam path. The illumination and detection axes as well as the transverse axis and the axis of detection being oriented relative each other at an angle unequal to zero. A light sheet generator also produces rotationally symmetrical light and includes structure and control for rapidly scanning the sample region along the transverse axis. The illumination device includes a second light sheet generator having a first astigmatically active optical element with at least one astigmatic lens for producing a static sheet of light. Selection elements used to select either the first or the second light sheet or both together to produce the sheet of light.