Abstract: An optical component having an NA conversion function which enables arraying without lowering a product yield, with small size and a simple assembly process. There is provided an optical component using a capillary type lens array in which plural graded index lenses each of which is surrounded with glass capillary in all circumferential directions, in which a refractive index distribution constant of the plurality of graded index lenses at one end of the optical component in an optical axis direction of the graded index lens is smaller than a refractive index distribution constant of the plurality of graded index lenses at other end of the optical component in the optical axis direction of the graded index lens.

Abstract: To provide a polarizing plate capable of improving durability of a polarizing plate and productivity of an optical apparatus, a polarizing plate manufacturing method, and an optical apparatus. Provided is a polarizing plate with a wire grid structure, including: a transparent substrate; and a grid-shaped convex portion arranged on the transparent substrate on one surface side of the polarizing plate at a pitch shorter than a wavelength of light of a use band and extending in a predetermined direction, wherein one surface of the polarizing plate is provided with a water-repellent layer covering a surface of the grid-shaped convex portion, and wherein a side surface of the polarizing plate is not provided with the water-repellent layer.

Abstract: The present disclosure is directed to systems, apparatuses, and processes that provide mixed reality and/or augmented reality interactive environments. Disclosed embodiments include mechanisms to determine a location of a physical object within a mixed reality environment, determine a location of a viewer within the mixed reality environment, and project a display onto the physical object or on a portion of an area within the mixed reality environment proximate to the physical object to obscure the physical object from the viewer, based upon at least the location of the physical object with respect to the location of the viewer. Other embodiments may be disclosed and/or claimed.

Abstract: The three-dimensional image display apparatus includes the following structural elements: an optical system including a concave mirror, and a light transmitting section provided to the concave mirror at a boundary between a first space and a second space, the optical system forming a real image in the second space, with an aid of the concave mirror, of an object disposed in the first space available on the concave mirror; and an image output device disposed at a place so as not to substantially block an optical path of light rays forming the real image of the object.

Abstract: The disclosed embodiments relate to a luminaire (100) comprising an array of LEDs (120). The array of LEDs (120) comprises LEDs chosen from the group of blue LED, green LED, red LED, yellow LED, amber LED, cyan LED, and white LED. The luminaire (100) further comprises a reflecting tube (140) and said array of LEDs (100) is arranged in an entrance aperture (142) of said reflecting tube (140). At least one light source (160) is arranged circumferentially around the reflecting tube (140). The at least one light source (160) comprises at least one LED chosen from the group of deep blue LEDs, royal blue LEDs, deep red LEDs and UV LEDs. An optical component (170), is arranged to transmit light emitted from the at least one light source (160) into light emitted from the array of LEDs (120).

Abstract: A polarization module includes: a polarizer; a plurality of first quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer; a plurality of second quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer in the direction opposite to the tilting direction of the optical axes of the first quarter-wave plates; and a transparent resin plate disposed over the plurality of first quarter-wave plates and the plurality of second quarter-wave plates and having optical isotropy.

Abstract: A pair of viewing glasses and an image beam adjustment method are provided, wherein the viewing glasses includes a polarizer. The adjustment method includes the following steps. Detect the transmittance of the image beam from the screen passing through the glasses. Generate an operating signal according to the operating period of the viewing glasses, a corresponding value corresponding to the operating period of the viewing glasses, and the transmittance of the image beam, so as to adjust the polarization direction of the image beam before passing through the polarizer. Maintain the operating signal during the operating period of the viewing glasses.

Abstract: An illumination optical system which illuminates an illumination objective surface with a light from a light source. The illumination optical system includes a spatial light modulator which includes a plurality of optical elements arranged within a predetermined plane and controlled individually, and which forms a light intensity distribution in an illumination pupil of the illumination optical system; and a polarization unit which is arranged in a position optically conjugate with the predetermined plane, and which polarizes an incident light beam having a first and second partial light beams, coming into the polarization unit such that the first and second partial light beams have polarization states different from each other, and emits the polarized incident light beam as an outgoing light beam, wherein the polarization unit changes, in a cross section of the outgoing light beam, a ratio between a cross sectional areas of the first and second partial light beams.

Abstract: A portable light filtering device includes at least two sheets of polarized film material. Each of the at least two sheets are mounted on separate mounting rings that rotate relative to one another such that when the lines of polarization are perpendicular to one another, the amount of light that can pass through is minimized and when the lines of polarization are parallel, the amount of light that can pass through is maximized. The separate mounting rings are held together in a rotational relationship and include a mounting bracket to removeably attach the device to a car window, to the ledge of a car door or to any desired window from which light screening is desired.

Abstract: The present invention provides a method of displaying, in color, information accompanying rotation in a device having a rotating member, comprising disposing a first polarizing film, a printed film, a retardation film, and a second polarizing film approximately perpendicularly to the direction of the rotational axis of the rotation; with the first polarizing film, retardation film, and second polarizing film being the sequence of disposition; and with one or two films selected from among the first polarizing film, the retardation film, and the second polarizing film being caused to rotate in a manner accompanying rotation of the rotating member. The method of the present invention affords inexpensive installation, maintenance, and use; good energy efficiency; and complex color display in a greater number of colors.

Abstract: An adjustable, composite polarizer can include first and second plate polarizers and an adjusting apparatus. The adjusting apparatus can adjust a pitch angle and a roll angle for the first and second plate polarizers while maintaining a predetermined, minimal distance between those plates. In this configuration, the adjustable, composite polarizer can provide mirror symmetric polarization with respect to an incident plane while providing the flexibility of any polarization.

Abstract: Various superimposing beam controls that can superimpose beams of light with different optical properties are described. In one aspect, a beam control receives a beam of light and outputs one or more beams. Each beam is output in a different polarization state and with different optical properties. Superimposing beam controls can be incorporated in fluorescence microscopy instruments to split a beam of excitation light into one or more beams of excitation light. Each beam of excitation light has a different polarization and is output with different optical properties so that each excitation beam can be used to execute a different microscopy technique.

Abstract: A wavefront device produces adjustable amplitudes in optical path differences and adjustable axis orientation angles. two substantially identical wave plates have a wavefront profile of at least the third order Zernike polynomial function which are not circularly symmetric, as denoted by Z(i,j) where i?3 and j?0. The wave plates are mounted in rotatable mounts with their optical centers substantially aligned with each other. An subjective wavefront refraction instrument and method are provided to correct low and high order aberrations of the eye, using the adjustable wave plates that have astigmatism and higher order Zernike function optical path difference wavefront profiles.