Abstract: An exemplary lens (50) includes a central transparent portion (44) and a peripheral portion (35). The central transparent portion is configured for converging or diverging the light beams transmitted therethrough. The peripheral portion surrounds and extends from the central transparent portion. The peripheral portion is comprised of a shading material.

Abstract: A microfabricated optical wave plate comprises a reflective polarizer and a mirror separated by a fixed or variable distance. The wave plate imparts a relative phase delay on polarization components of incident light, thereby transforming the overall polarization of the light.

Abstract: In the optical deflector, the mean width of profile elements of a cross section of the deflection surface in the sub scan direction is set to be less than the spacing between spots of the light beams formed in the sub scan direction of the deflection surface. This makes it possible to prevent a variation in the size and shape of the spots of the light beams deflected by the deflection surface due to the undulation (unevenness) of the deflection surface. As a result, it is able to suppress a decrease of the granularity of images and form images with high quality.

Abstract: Optical delay line system that includes a retro-reflection mirror which is displaced along a circular path while being maintained in angular alignment with launch and return sources of light subject the components of the system to minimum levels of unbalanced linear acceleration. A retroreflector is pivotally mounted on a rotating element such that the optical axis of the retroreflector's motion is mobile such that its angle or position changes relative to a fixed observer. There is no linear stopping and starting of the retroreflector and all acceleration of the retroreflector is rotational acceleration with small angles so the required forces in the optical delay line are greatly reduced. Both large displacement and high repetition rates are achieved. The system can be configured so that optical fibers serve as launch and return optics. Alternatively, free space beam paths deliver light to the optical delay and return the reflected light from the retroreflector.

Abstract: A low-glare motor-vehicle includes a color reproduction index Ra of at least 70 and a reduced reflection for each of the illuminants A and C in scotopic vision (at night) as compared with photopic vision (in the daylight) by at least 3%. In one embodiment, the mirror consists of a transparent substrate, a thin transparent metallic layer, an adapted dielectric layer and the reflector properly speaking.

Abstract: It is possible to check for observation success or failure and the observation history without waiting for observation to be completely finished, thus saving time and energy required for observation, and avoiding lost opportunities for observation of precious samples etc. Provided is a microscope apparatus including an image acquisition unit for acquiring a plurality of frame images while varying a plurality of parameters; an image saving unit for successively saving the frame images acquired by the image acquisition unit; a property-information saving unit for saving property information in which identifying information of the saved frame images is associated with the parameters; and a control unit for controlling these units, wherein the control unit saves updated property information in the property-information saving unit each time the frame image is saved in the image saving unit.

Abstract: An optical film is provided and includes a transparent polymer film. The optical film has at least an A1 value defined by Re (450)/Re (550) of from 0.10 to 0.95 and A2 value defined by Re (650)/Re (550) of from 1.01 to 1.50. Re (?) represents the retardation value of the film with respect to light having a wavelength of ? nm; and Rth (?) is the retardation value in the thickness direction of film with respect to light having a wavelength of ? nm.

Abstract: A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being 1.0 or more in the absolute value of the difference between the real part n1 and the imaginary part ?1 of the complex refractive index (N1=n1?i?1), said resin film having a plurality of rows of grooves formed extending substantially in parallel with each other on its surface, and said grid line being made of a thin film of the laminated material G on the bottom face of the grooves and/or on the top face of ridges located between the adjacent grooves. A lengthy optical laminated body comprises the lengthy grid polarizer film and another lengthy polarizing optical film.

Abstract: A fiber optic cable includes an optical fiber, a strength layer surrounding the optical fiber, and a jacket assembly surrounding the strength layer. The jacket assembly includes a foam. A method for manufacturing a fiber optic cable includes mixing a base material, a chemical foaming agent and a shrinkage reduction material into a mixture in an extruder. The mixture is heated so that the base material and the chemical foaming agent form a foam with shrinkage reduction material embedded into the foam. An optical fiber and strength layer are fed into a crosshead. The mixture is extruded around the optical fiber and the strength layer to form a jacket assembly.

Abstract: Specimen laser-scanning microscope with raster scanning illumination and detector modules, which illuminates and detects a specimen by raster scanning. A real-time control device (device) performs synchronous reading-out with the raster scanning pixel cycle. A data port serially communicates with the device using a bidirectional high-speed data stream and with the resources via a serial, bidirectional high-speed data stream with a data conversion to/from parallel to serial. The high-speed data stream is made up of data packets with data bits and type bits and no additional header or protocol bits. The data bits contain data from/on the resources and the type bits code the type of data. Type information is stored in the resources as well as the device. The type information defines processing functions for data types coded by the type bits, and the resources and/or the device determine the data type using type bits and process data coded in the data bits.

Abstract: A portable astronomical telescope includes the cylinder body, on which three telescopic legs are hinged through a joint to form a tripod stand. The bottom of aforementioned cylinder body is fixed by means of connection element and mounted with part box. On the bottom end of this part box, a bottom cover is insert-mounted. On the upper end of the part box, limit connection elements of the connected telescopic leg are hinged. Within the aforementioned cylinder body, a guide bush is fixed and installed, inside of which telescope base is mounted. On the side of this telescope base, a guide pin is established. On the side of the guide sleeve, an L-shaped feed-through slot is established to accommodate the guide sleeve. On the tail end of the above feed-through slot, one guide pin residence slot is connected. The aforementioned telescope base is activated by the lug and mounted with bellows. This product can be used without need for separate assembly, and eliminates the need for a separate package.

Abstract: Plug part (1, 2) for an optical plug connection for connecting optical waveguides (3) with one another, with the plug part (1, 2) having at least one pivotable closure flap (4) and a housing (5) and at least one optical waveguide (3) arranged inside the housing (5); and at least a sliding part (6) fitted on the housing (5), particularly inside the housing (5), displaceable especially linearly relative to the housing (5); with the sliding part (6) having at least one outlet (7) and the Plug part (1, 2) having at least one actuating element (8) to pivot the closure flap (4), with the actuating element (8) pivoting the closure flap (4) during the sliding of the sliding part (6); with the outlet (7) in the sliding part (6) closed, preferably completely, in at least one closed position of the closure flap (4) by the closure flap (4).

Abstract: There is provided a multilayered phase difference plate that serves as a half-wavelength phase difference plate in the range of 400 nm to 700 nm by bonding together a first phase difference plate and a second phase difference plate in a manner that their respective optical axes intersect each other. The multilayered phase difference plate obtains a high incident light polarization conversion efficiency because the respective plate thicknesses of the first and second phase difference plates are within a range such that phase difference deviation amounts become offset by each other.

Abstract: A light diffusive sheet for a backlight unit, comprising a transparent substrate-photocured resin layer laminate having a plurality of hemispherical-shaped protrusions of varying sizes, has excellent luminance, and a wide screen view angle.

Abstract: In an optical scanning apparatus, an aperture is provided between a semiconductor laser in a light source unit and an oscillating mirror, and between a cylindrical lens and the oscillating mirror. When a light beam from the semiconductor laser comes into an reflection surface of the oscillating mirror, the optical scanning apparatus is configured to limit a beam width of the light beam to a width appropriate to the reflection surface, and then to ensure an irradiation position of the light beam in a main-scanning direction to come into the reflection surface of the oscillating mirror, by causing the light beam to pass through an opening of the aperture.

Abstract: A cryogenic immersion microscope whose objective lens is at least partially in contact with a liquid reservoir of a cryogenic liquid, in which reservoir a sample of interest is immersed is disclosed. When the cryogenic liquid has an index of refraction that reduces refraction at interfaces between the lens and the sample, overall resolution and image quality are improved. A combination of an immersion microscope and x-ray microscope, suitable for imaging at cryogenic temperatures is also disclosed.

Abstract: A microscope illumination apparatus, which has at least three kinds of light sources, each of a different emission wavelength region and a different figure and size of the light-emitting section, and supplies emitted light from individual light sources as illumination light for observing a specimen to the microscope body, includes collimator lenses converting incident rays into parallel rays, arranged on the exit sides of the individual light sources; a path sharing means introducing light emerging from the collimator lenses into a common optical path; an imaging lens, placed on the common optical path, forming images of the individual light sources introduced into the common optical path through the path sharing means at a common position; and an optical fiber placed so that the entrance end face of the optical fiber is located at a position where the images of the individual light sources are formed through the imaging lens.

Abstract: A light deflector includes: an oscillating mirror which includes a reflecting surface and which rotationally oscillates about a first axis; a mirror holder which holds the oscillating mirror; and a wiring drawn out from a surface of the mirror holder at a drawn-out start position, the drawn-out start position lying on a plane which includes the first axis and which is orthogonal to the reflecting surface of the oscillating mirror in a still state.

Abstract: A clear image having suppressed blurring due to pulsing is obtained by in-vivo examination of biological tissue or various internal organs of mammals, including small laboratory animals.

Abstract: An optical film is provided and includes: a transparent support; and a light diffusion layer containing light-transmitting particles and a binder. The light diffusion layer has an average thickness of from 7.5 to 30 ?m, and the average thickness of the light diffusion layer is from 1.4 to 3.5 times as large as an average particle diameter of the light-transmitting particles.