Abstract: An assembly (1) comprises at least one base plate (2), a counter plate (3) connected thereto, and an electro-optical element (4). The base plate (2) is provided with at least one conductor track (7) for connecting the electro-optical element (4), and with at least one heat transfer element (5) for dissipating heat from the electro-optical element (4). The heat transfer element (5) is a heat-conductive operative connection between the electro-optical element (4) and the counter plate (3).

Abstract: An optical system and a method for non-mechanically (i.e., without physical movement) scanning a laser using a lens, a steering optical element, and transmission and receive paths having a non-zero spatial offset. Also, an optical system and a method for non-linearly and non-mechanically scanning a laser using a lens and a steering optical element, such that detection points resulting from the scanned laser are non-linearly mapped into space.

Abstract: A light detection and ranging system includes multiple scanning mirror assemblies to increase a receive aperture. The multiple scanning mirror assemblies are controlled to mimic the operation of one large scanning mirror. The multiple scanning mirror assemblies may be arranged in one-dimensional arrays or two-dimensional arrays. Two arrays of scanning mirror assemblies provide for scanning in two dimensions.

Abstract: A laser machining device includes a laser light source, a spatial light modulator which includes a display unit, an objective lens, an image-transfer optical system, a camera and a controller. The controller executes first display processing and second display processing. According to first display processing, when the camera captures the image, the display unit displays a first phase pattern for adjusting a condensing position of laser light condensed by the objective lens to a first condensing position. According to second display processing, when the camera captures the image, the display unit displays a second phase pattern for adjusting the condensing position of the laser light condensed by the objective lens to a second condensing position different from the first condensing position in an irradiation direction of the laser light.

Abstract: Provided is a generation method for a programmable analog fringe pattern with an extended depth of field. A laser emits a laser beam. After focusing and collimation thereof with a collimating lens, a collimated Gaussian laser beam meeting requirements is obtained. The laser beam is reflected by a mirror once, passes through a round diaphragm and is incident on a MEMS scanning mirror. The beam is reflected by the MEMS scanning mirror to the surface of a tested object. The laser is controlled by a sinusoidal current signal generated by a drive board so as to sinusoidally modulate the brightness of the laser beam. The MEMS scanning mirror is stimulated by a drive signal generated by the drive board to turn two-dimensionally, so as to drive the laser beam to perform scanning, thus generating a fringe pattern image.

Abstract: A tracking system for positioning a user's location comprise a scan device including a light scanning module for generating a scan light source, where the light scanning module includes a point light source, a prism, a reflector and a synchronization processing module, the prism rotates with a rotation speed, the synchronization processing module is used to control the reflector to rotate with an angle according to the rotation speed, so that the light emitted to the prism is reflected to a specific direction to form the scan light source, a head mounted displayer, which includes a plurality of receivers for detecting the scan light source, for generating information about the scan light source, and an computing device for calculating the location of the user based on the information.

Abstract: A system and a method for producing an adjustable light pattern are provided herein. The system may include: a transmitter configured to illuminate a scene with a patterned light being adjusted based on predefined criteria; a receiver configured to receive reflections of the adjusted patterned light; and a computer processor configured to control the adjustment of the patterned light and further analyze the received reflections, to yield a depth map of objects within the scene, wherein the transmitter may include: a light source configured to produce a light beam; a first reflector tiltable approximately along a line on an x-y plane in a Cartesian x-y-z coordinate system; and a second reflector tiltable along a z-axis in said coordinate system, wherein the reflectors are tilted along their respective axes back and forth so as to divert the light beam for creating the adjusted patterned light.

Abstract: The objects of an embodiment are to improve the reliability of visual function examination and to shorten the time required for the examination. A visual function examination apparatus of an embodiment includes an application optical system, a biological information detector, and an evaluation information generator. The application optical system includes an optical scanner disposed in an optical path of laser light output from a laser light source, and is configured to apply the laser light that has travelled via the optical scanner to a retina of a subject's eye. The biological information detector is configured to detect biological information representing a reaction of a subject to application of the laser light. The evaluation information generator is configured to generate evaluation information on visual function of the subject's eye based on the biological information detected.

Abstract: Sealability between a cover member and a transparent member of an optical scanning apparatus is improved to improve dustproof performance. An optical scanning apparatus includes an elastic member for sealing a portion between a cover member and a glass member, the elastic member being formed on the cover member so as to surround an opening portion, the elastic member being formed from a material that differs from that of the cover member. The elastic member has a protrusion that extends towards the glass member. The protrusion fills a gap between the cover member and the glass member by contacting the glass member and being elastically deformed.

Abstract: The scanning optical device (6) includes a light source, a deflector (30) configured to rotate on a horizontal surface around a rotating shaft extending in a vertical direction and an optical box (50) in which the light source, the deflector (30), and the optical components groups (40) are housed and supported by the frame (60). A heat sink (36) is disposed between the deflector (30) and the frame (60). A first protrusion (37) extending on an extension line of the rotating shaft of the deflector (30) is formed in the heat sink (36). A first engaging hole (61) with which the first protrusion (37) engages is formed in the frame (60).

Abstract: An optical scanning device includes a first scanning driving unit and a second scanning driving unit. The first scanning driving unit includes a scanning mirror and a frame structure supporting the scanning mirror. The first scanning driving unit is configured to cause the scanning mirror to rotate about a first rotation axis by means of deformation of the frame structure. The second scanning driving unit includes a rotation holder supporting the first scanning driving unit and a supporting shaft. The second scanning driving unit is configured to cause the rotation holder to rotate about the second rotation axis. The frame structure includes a pair of beams provided so as to sandwich the scanning mirror in a direction of the first rotation axis, and a pair of base portions provided on sides of respective beams of the pair of beams opposite to the scanning mirror. Each of the pair of base portions has an elongated shape elongated in a direction of the second rotation axis, and is deformable.

Abstract: A system and apparatus for: (i) receiving an image of a visually perceptible scene; (ii) sensing the presence and intensity of signals in a selected frequency band, which may include one or more of radio frequency, microwave, infrared, visible and ultraviolet, in part or all of the scene; (iii) displaying the frequency band as a visually distinguishable overlay on the visually perceptible scene; and (iv) indicating whether the signal intensity for a selected frequency interval is changing with passage of time.

Abstract: A reading apparatus including a reading device, a sheet tray, a conveyer, a receiving device, and a control device configured to execute, when the receiving device receives a read instruction, a conveying process of causing the conveyer to start conveyance of a sheet, execute a reading process of causing the reading device to read an image of the sheet passing a reading position of the reading device, execute a stop determining process of determining whether a stop condition of the conveyer is satisfied, and execute, in response to determining that the stop condition is satisfied, a stopping process of causing a leading edge of a next sheet to be stopped in a specific position which is any position between the sheet tray and the reading position.

Abstract: The method includes the steps of: obtaining lateral magnification of an optical scanning system; obtaining the maximum value of thickness in the optical axis direction of an scanner lens; obtaining allowance b on one side and beam diameter a in the vertical scanning direction in the lens; and obtaining width h in the vertical scanning direction of the lens by the following expression h=a+2b. The allowance b is a product of the maximum value of thickness in the optical axis direction of the lens and a coefficient, and the coefficient is determined according to the lateral magnification of the system in such a way that the maximum value of movement of the focal point of the lens due to moisture absorption is made smaller than or equal to a predetermined value.

Abstract: An optical switch includes: a semiconductor substrate, including a first rotation part and a first torsion beam disposed at two ends of the first rotation part, where the first torsion beam is configured to drive the first rotation part to rotate; a microreflector, disposed on a surface of the first rotation part of the semiconductor substrate; a first latching structure, disposed on a surface of the first torsion beam, the first latching structure including a form self remolding (FSR) material layer and a thermal field source, where the thermal field source is configured to provide a thermal field for the FSR material layer and the FSR material layer is configured to undergo form remolding under the thermal field, so as to latch the first rotation part and the microreflector in a position after rotation.

Abstract: An optical scanner includes: a movable section which includes a light reflecting member with a light reflecting surface and which is rotatable around the central axis of rotation; four movable beams which extend from the movable section along the light reflecting surface and which are provided at angles of 90° along the circumferential direction of the movable section; a displacement section connected to each movable beam; two driving beams extending from the displacement section along the surface direction of the light reflecting surface so as to be perpendicular to the movable beams; a fixed section connected to each driving beam; an inner frame section formed in the displacement section; a permanent magnet fixed to the inner frame section; and a driving section which drives the displacement section. Each movable beam includes a bending section which deforms the moving beam by bending in a direction perpendicular to the light reflecting surface.

Abstract: A modular laser scanning system where the laser scanner and various optical “building blocks” are contained in separate mechanical and optical modules. These modules can be combined to provide flexible systems with unique laser scanning capabilities or combinations of techniques. Additionally, the combining of these modules is achieved through the use of a mechanical and optical coupling standard.

Abstract: An image projection device includes a number-of-times measurement section that measures the number of passage times that the scanned laser light has passed through the light radiation members, a time measurement section that is triggered to measure an elapsed time when the number-of-times measurement section measures the number of passage times, an arithmetic section that calculates an initial timing at which the laser light source section starts outputting the laser light based on the measurement results of the number-of-times measurement section and the time measurement section, and a signal generation section that generates the switch signal at the initial timing calculated by the arithmetic section.

Abstract: A laser system includes a laser configured to emit pulse bursts and a motion device in optical communication with the laser. The motion device moves a laser beam along a process path on a substrate and is configured to have a natural frequency that is greater than an operating frequency of the laser system. The laser system enables high and constant speed processing along tight radii in the process path, which is useful to form laser induced channels along the process path with equal spacing.

Abstract: A laser scanning device includes a light source and a light scanner that scans a laser light emitted from the laser light source. The light source emits the laser light so that the laser light is incident to the light scanner from a plurality of directions.

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: Laser scanning microscope and its operating method in which at least two first and second light distributions activated independently of each other and that can move in at least one direction illuminate a sample with the help of a beam-combining element, and the light is detected by the sample as it comes in, characterized by the fact that the scanning fields created by the light distributions on the sample are made to overlap mutually such that a reference pattern is created on the sample with one of the light distributions, which is then captured and used to create the overlap with the help of the second light distribution (correction values are determined) and/or a reference pattern arranged in the sample plane or in an intermediate image plane is captured by both scanning fields and used to create the overlap (correction values are determined) and/or structural characteristics of the sample are captured by the two scanning fields as reference pattern and used to create the overlap in which correction valu

Abstract: A light position controlling apparatus and a method of manufacturing the same. The light position controlling apparatus includes a substrate; first and second electrodes that are arranged on the substrate and configured to generate an electric field; and a piezoelectric nano wire configured to operate as optical waveguide. The piezoelectric nano wire includes a first portion disposed on the substrate, and a second portion that extends from the first portion and bends according to the electric field generated by the first and second electrodes to change a travel direction of light transmitted by the piezoelectric nano wire.

Abstract: An aspect of the present invention provides a mirror driving apparatus, including: a mirror section having a reflecting surface which reflects light; a pair of piezoelectric actuator sections arranged on either side of the mirror section; coupling sections which respectively connect one end of each of the piezoelectric actuator sections to an end portion of the mirror section which is distant from an axis of rotation of the mirror section in a direction along the reflecting surface and perpendicular to the axis of rotation; a fixing section which supports another end of each of the piezoelectric actuator sections; and a perpendicular movement suppressing structure which suppresses translational motion of the axis of rotation of the mirror section in a direction perpendicular to the reflecting surface, one end of the perpendicular movement suppressing structure being connected to the fixing section and another end thereof being connected to the mirror section.

Abstract: For achieving balance between manufacturing effort and spectrometer accuracy, a spectral decomposition device is not completely integrated into a substrate stack, but, for example, after manufacturing the substrate stack in the manufacturing process, the opportunity of compensating inaccuracies in substrate stack manufacturing is given by mounting a component with a suitable optical functional element to a window, like, e.g., an entry, exit or intermediate window of the substrate stack, to at least partially cover the respective window, wherein the optical functional element is, for example, an entry aperture, an exit aperture or also part of an optics or an optical element having a spectrally decomposing effect.

Abstract: An optical scanner manufacturing method includes overlapping a first substrate including a base portion region that becomes a base portion, a shaft portion region that becomes a shaft portion, and a support portion region that becomes a support portion, and a second substrate in which a frame-like concave portion, a first portion that is positioned inside the concave portion, and a frame-like second portion that is positioned outside the concave portion and has a light reflectance reduction function are formed on one surface, to bond the base portion region to the first portion and to bond the support portion region to the second portion, patterning the first substrate to form the base portion, the shaft portion, and the support portion, and cutting the second substrate from the other surface side to separate the first portion and the second portion from each other.

Abstract: A light scattering element 1 is equipped with a transparent, thin film-like optical element 2 which scatters incident laser light, and a thin film-like piezoelectric element 4, which is sandwiched between two electrodes 3a, 3b and which is laminated on a surface of the optical element 2 that is different from an optical scattering surface 2a. The light scattering element 1 averages a speckle pattern of laser light scatted by the optical scattering surface 2a and emitted therefrom by vibration of the piezoelectric element 4 generated when alternating voltage is applied between the two electrodes 3a, 3b.

Abstract: The invention concerns a scanning device for focusing a beam of rays in defined regions of a defined volume, comprising an input optics wherein the beam of rays penetrates first, having at least one first optical element; a focusing optics for focusing the beam of rays exiting from the input optics; and a deflecting device arranged between the first optical element and the focusing optics, for deflecting the beam of rays after it has passed through the first optical element, based on a position of the focus to be adjusted in lateral direction. In order to adjust the position of the focus of the beam of rays in the direction of the beam of rays, and optical element of the input optics can be displaced relative to the deflecting device.

Abstract: The present invention provides a light field display device (300) comprising an array of light field display elements (310) populating a display surface, each display element (310) comprising: a beam generator (522) for generating an output beam of light; a radiance modulator (524) for modulating the radiance of the beam over time; a focus modulator (530) for modulating the focus of the beam over time; and a scanner (504, 506) for scanning the beam across a two-dimensional angular field.

Abstract: There are provided a lens, a method of fabricating the lens, and a light scanning unit. The lens includes a lens portion having an effective optical surface, and a gate-side flange portion between the lens portion and a gate-side end of the lens. If the lens is disposed between two polarizers configured to polarize light linearly in perpendicular directions and is illuminated in an optical axis direction, interference fringes are generated on the lens, and peripheral interference fringes of the interference fringes extend continuously from the gate-side end and are longer than the gate-side flange portion.

Abstract: A visible laser beam scanned by a galvano-scanner system is aligned at each of positioning points on the top surface of a master work by manual operation to record sensor position signals of position sensors on galvano-scanners. The sensor position signals on each positioning point are recorded to create a drive pattern in accordance with recorded sensor position signals. The drive pattern no longer has optics system error sources including focus error and attachment error as well as errors caused by scale, offset and the like, also eliminating the need for entering a distance as far as the top surface of the work. Therefore, the drive pattern with error components removed can be created with ease.

Abstract: A mounting auxiliary member includes a rotary member and a stationary member. The rotary member is provided in an optical scanning device, and interposed between a light source holding member holding a light source and a head part of a screw. The rotary member has a first through hole through which a shaft part of the screw penetrates and is configured so as to co-rotate with the screw as the head part of the screw comes into contact with a peripheral edge part of the first through hole. The stationary member is interposed between the rotary member and light source holding member, has a second through hole into which the shaft part of the screw penetrating through the first through hole is movably inserted, and is configured to hold the rotary member while permitting the rotary member to slidably rotate.

Abstract: A projection apparatus includes a shutter mechanism to prevent light from reaching an image plane during calibration of light sources. The shutter mechanism may include liquid crystal material that exhibits an effective index of refraction that varies with applied voltage. During calibration, a light beam is shuttered, light sources are driven by calibration data, and optical power is measured.

Abstract: A light scanning unit includes: a light source emitting a light beam according to an image signal; a light deflector deflecting and scanning the light beam emitted from the light source; and a synchronization detection optical system comprising a synchronization detection sensor detecting a synchronization signal by receiving a portion of the light beam that is deflected and scanned by the light deflector and a synchronization detection lens disposed between the light deflector and the synchronization detection sensor, wherein the synchronization detection lens is an anamorphic lens in which refractive power in a first direction and refractive power in a second direction different from the first direction are different, and wherein the first direction of the synchronization detection lens is inclined with respect to a main scanning direction in which a light beam incident on the synchronization detection lens is scanned.

Abstract: A scanning type projector two-dimensionally projecting a laser beam and generating an image according to the present invention comprises: a light source having a light intensity corresponding to a pixel of the image and emitting a laser beam having an elliptical beam; a collimator lens collimating a laser beam emitted from the light source without converting the same into focused light; a beam contracting/shaping element that reduces a luminous beam width in a predetermined direction of the laser beam emitted from the collimator lens; a condensing lens that converts a laser beam emitted from the beam contracting/shaping element into focused light corresponding to a projection distance; and a two-dimensional scanning unit configured to two-dimensionally scan and project a laser beam emitted from the condensing lens.

Abstract: Systems, apparatuses, and methods for an image translation device are described herein. The image translation device may include a navigation sensor defining a sensor coordinate system askew to a body coordinate system defined by a body of the image translation device. Other embodiments may be described and claimed.

Abstract: A scanning optical apparatus includes an optical box accommodating a deflection device for scanningly deflecting a laser beam emitted by a light source and an optical part for directing the laser beam toward a member-to-be-scanned; a cap mounted to the optical box; a sealing member extending from the cap, wherein the sealing member is made of a material exhibiting easier deformation than the cap, and is contacted to a wall of the optical box in a deformed state.

Abstract: An optical scanning device includes an optical element, an optical base, a height positioning boss, and a bonding portion. The optical element is positioned on the optical base. The height positioning boss is provided in at least one of the optical element and the optical base and positions the optical element with respect to vertical orientation. The bonding portion is provided in at least one of the optical element and the optical base. A longitudinally central portion of the optical element is bonded to the bonding portion.

Abstract: An optical scanning device includes an optical element and an optical base. The optical element includes a first bonding surface, while the optical base includes a second bonding surface. A groove in which a bonding agent flows is formed in at least one of the first bonding surface of the optical element and the second bonding surface of the optical base. The optical element is bonded and fixed to the optical base through the first bonding surface and the second boding surface by means of the bonding agent.

Abstract: An optical scanner includes a light source, an optical element, a deflector, a casing, and a first cover. The deflector deflects the light beam emitted from the light source to scan a photoreceptor through the optical element. The casing includes an upper opening, walls including a transparent plate defining a deflector compartment to accommodate the deflector, and an optical element mounting portion to accommodate the light source and the optical element. The first cover covers the upper opening of the casing and includes a recessed portion recessed toward the bottom of the casing and including a first opening at the bottom thereof facing the deflector. The recessed portion and the walls are directly or indirectly connected to define a single continuous space isolating the deflector compartment from the optical element mounting portion. The recessed portion and the deflector compartment communicate via the first opening.

Abstract: A light beam is scanned, for use in laser radar and other uses, by an optical system of which an example includes a beam-shaping optical system that includes a first movable optical element and a second movable optical element. The first optical element forms and directs an optical beam along a nominal propagation axis from the beam-shaping optical system to a target, and the second optical element includes a respective actuator by which the second optical element is movable relative to the first optical element. A controller is coupled at least to the actuator of the second optical element and is configured to induce motion, by the actuator, of the second optical element to move the optical beam, as incident on the target, relative to the nominal propagation axis.

Abstract: Optical systems suitable for use as or in laser radar systems and other uses include a beam-forming unit, a beam-scan unit, and a controller. The beam-forming unit includes a first optical element, and the beam-scan unit includes a second optical element. The first optical element is movable to shape and direct a substantially collimated optical beam along a nominal propagation axis to a target, and the second optical element includes at least one movable beam deflector that moves the optical beam in a scanning manner relative to the nominal propagation axis. The controller is coupled to the beam-forming unit and beam-scan unit, and is configured to induce movement of the first optical element required for shaping and directing the optical beam along the nominal propagation axis and to induce independent motion of the beam deflector of the second optical element as required to scan the optical beam relative to the nominal propagation axis. The beam deflector can be refractive or reflective.

Abstract: Image lights formed by a light emitting device and a virtual-image forming member and external light transmitted through a visibility adjusting member and the virtual-image forming member can be observed in parallel in a see-through manner. In the observation of the external light, the visibility adjusting member enables visibility adjustment corresponding to the eyesight of a wearer. Therefore, the wearer can observe the external light without wearing a device for visibility adjustment such as glasses. Therefore, it is possible to suppress an increase in the size of a virtual image display device.

Abstract: A system for illuminating an object is provided, the system comprising a coherent or semi-coherent light source and a first diffuser positioned relative to the coherent or semi-coherent light source so as to receive said coherent or semi-coherent light. The first diffuser may diffuse the light to produce diffused light. An actuator having a moveable element, such as a moveable reflective surface, may be positioned to project the diffused light onto an object, and may be moved to project light onto different portions of the object. This movement may be performed with such rapidity that it is not perceived by a person viewing the object. Rather, the entire object would appear to be illuminated. Movement of the element may be controlled by a computer, and may be performed according to a predefined routine.

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: An optical writing unit includes in a housing a light source projecting a light beam, a deflector to deflect the light beam projected from the light source, a focusing lens, and a lens adjusting device. The focusing lens is long in a main scanning direction and focuses the light beam onto a scan target. The lens adjusting device rotates the focusing lens about a substantially center portion thereof as a rotation fulcrum on a plane perpendicular to an optical path of the light beam so as to adjust the position of the light beam illuminating the scan target. The focusing lens has an asymmetric cross-section relative to a center line of the focusing lens in a direction of the optical path in a sub-scanning plane perpendicular to the main scanning direction, and the center of gravity of the focusing lens is offset from the center line toward the rotation fulcrum.

Abstract: A housing includes a base portion for installation of an optical beam emission unit, a light guiding unit, and a deflection unit, and a cover portion that includes an indented heat emission channel that transmits heat in an inner portion of the housing to a fluid.

Abstract: A light scanning apparatus, including: a light source configured to emit a light beam; a light deflector configured to deflect the light beam emitted from the light source so that the light beam scans a photosensitive member; a housing which contains the light source and the light deflector, and which is provided with an opening portion through which the light beam deflected by the light deflector passes; a transparent member mounted on the housing to close the opening portion and configured to transmit the light beam deflected by the light deflector; and a fixing member having an elastic portion configured to cover an outer circumferential portion of the transparent member, the fixing member being configured to fix the transparent member to the housing by pressing the elastic portion to the transparent member.

Abstract: A light scanning includes an adjusting unit that displaces the optical member to adjust the optical axis of the laser beam. The adjusting unit includes a shaft portion, a shaft supporting portion, a turning portion, a driving portion, and a turning damping unit. The shaft portion is configured to bidirectionally move in a first direction and in a second direction while turning. The first direction is a direction where the shaft portion approaches the optical member. The second direction is a direction where the shaft portion moves away from the optical member. The shaft supporting portion supports the shaft portion, and moves the shaft portion in accordance with turning of the shaft portion. The turning portion turns the shaft portion. The driving portion turns the turning portion. The turning damping unit damps a turning force applied to the shaft portion by an external force.

Abstract: An optical box for an optical scanner includes an optical housing and a lid. The optical housing has an opening and a side wall surrounding the opening. The side wall includes inward recessed parts, each of which has a protrusion formed on its outer side. The protrusion can engage with the lid. The lid can so engage with the optical housing as to cover the opening of the housing. The lid has a pair of dust guard walls, between which the whole side wall of the optical housing is sandwiched when the lid is in engagement with the housing.