Abstract: An optical coaling structure is provided that when applied to a surface of an object to imparts a color to the object, the optical coating structure including: a base layer; a reflector on the base layer; and profile elements on the base layer under the reflector, the profile elements having a width and length which are each in the range of 5 to 500 ?m in size, and being arranged in non-periodic manner or a periodic manner. The reflector may be a multilayer structure of alternating dielectric materials. A method of forming the optical coating structure is also provided.

Abstract: A surface-protective film attached polarizing film is disclosed which includes a polarizing film (A) having a thickness of 100 ?m or less, and a surface-protective film (B) provided on at least one surface of the polarizing film (A), wherein the polarizing film (A) comprises a polarizer, and a protective film provided on at least one surface of the polarizer, the polarizer comprises a polyvinyl alcohol-based resin and has a thickness of 10 ?m or less, the polarizing film (A) has a width WA, the surface-protective film (B) has a width WB, a difference between the widths WA and WB (WA?WB) is 3 mm or more, and a peel strength of the surface-protective film (B) to the polarizing film (A) is 0.2 N/25-mm or less. The surface-protective film-attached polarizing film allows to be restrained the polarizing film from being broken, when the surface-protective film is peeled from the polarizing film.

Abstract: Methods and systems for qualifying a multi-layered optical stack include providing the multi-layered optical stack including a first optical layer and a second optical layer. The first optical layer includes a first pair of fiducial marks and the second optical layer includes a second pair of fiducial marks Each of the first pair are spaced laterally from each of the second pair such that the first pair and the second pair are visible through the optical stack. A first angle defined between a first reference line connecting the first pair and a global reference line is determined. A second angle defined between a second reference line connecting the second pair and the global reference line is determined. The multi-layered optical stack is qualified for use in the optical projection system based on whether a difference between the first angle and the second angle is less than a predetermined threshold.

Abstract: An optical assembly for a surgical microscope includes an iris diaphragm assembly arranged in a first plane and including a first adjustable diaphragm arranged in a first observation beam path of the surgical microscope and defining a first opening, and a second adjustable diaphragm arranged in a second observation beam path of the surgical microscope and defining a second opening, an optical wheel rotatably mounted on the iris diaphragm assembly in a second plane, the optical wheel including openings for receiving optical elements and optical element holders fastened to the optical wheel to secure the optical elements in the openings without creating transverse forces on the optical elements, the optical wheel having substantially a shape of a half wheel and including an external gearing provided on a circular portion of the optical wheel. A surgical microscope includes the optical assembly with the iris diaphragm assembly and the optical wheel.

Abstract: A variable magnification optical system comprises, in order from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power and a fourth lens group G4 having negative refractive power; upon varying a magnification, a distance between the first lens group G1 and the second lens group G2 being varied, a distance between the second lens group G2 and the third lens group G3 being varied, and a distance between the third lens group G3 and the fourth lens group G4 being varied; upon focusing, the fourth lens group G4 being moved; and a predetermined conditional expression being satisfied.

Abstract: A method of fabricating a lens element for an adjustable power lens of the kind comprising two lens elements that are slidable relative to one other in a direction transverse the optical axis of the lens and have respective lens surfaces that are shaped to act together to form a corrective lens, the power of which varies according to the relative disposition of the two lens elements, the method comprising the steps of forming a lens puck having two opposite faces, which are shaped to form opposite lens surfaces of one of the lens elements of the adjustable power lens, the puck having at least one alignment feature, and thereafter edging the puck to a desired eye shape with reference to the alignment feature.

Abstract: A method of preparing a stage for use in a slide imaging apparatus including positioning a stage in relation to a flat surface so that the flat surface is positioned in front of the top surfaces of slide support pin bases on the top surface of the stage. The method also includes injecting a fluid pin surfacing material configured to solidify into the hole of each slide support pin base so that at least some of the fluid pin surfacing material exits the hole at the top surface of the slide support pin bases and pushes up against the flat surface. The method also includes removing the flat surface so that a tip of solid pin surfacing material is formed on the top surface of each slide support pin base, thereby providing the stage with a plurality of slide support pins.

Abstract: The disclosure relates to a viewing optic. In one embodiment, the disclosure relates to a viewing optic having an integrated display system. In one embodiment, the disclosure relates to a viewing optic having an integrated display system for generating images that are projected into the first focal plane of an optical system.

Abstract: A laser processing apparatus includes: a laser light source that generates a laser beam; a first beam splitter on which the laser beam is incident; a second beam splitter on which the laser beam having passed through the first beam splitter is incident; and a homogenizer that controls an energy density of the laser beam emitted from the second beam splitter. The laser beam output from the homogenizer includes a p-polarized component and an s-polarized component, and a ratio of energy intensity of the p-polarized component to the s-polarized component is preferably not lower than 0.74 and not higher than 1.23 on a surface of the workpiece.

Abstract: The disclosed technology teaches a method of reducing the impact of cross-talk between transducers that drive an acousto-optic modulator. The method includes operating the transducers, which are mechanically coupled to an acousto-optic modulator medium, with different frequencies applied to adjoining transducers and producing a time-varying phase relationship between carriers on spatially adjoining modulation channels emanating from the adjoining transducers, with a frequency separation between carriers on the adjoining channels of 400 KHz to 20 MHz. The disclosed technology also includes operating 5 to 32 modulators, which are mechanically coupled to the acousto-optic modulator crystal, and varying the different frequencies applied to the modulators in a sawtooth pattern, varying the different frequencies over a range and then repeating variation over the range.

Abstract: A polarizer substrate includes a substrate, an organic planarization layer, an inorganic buffer layer, and a plurality of strip-shaped polarizer structures. The organic planarization layer is located on the substrate. The inorganic buffer layer is located on the organic planarization layer. The inorganic buffer layer has a plurality of trenches located on a first surface. The trenches do not penetrate through the inorganic buffer layer. The strip-shaped polarizer structures are located on the first surface of the inorganic buffer layer. Each of the trenches is located between two adjacent polarizer structures. A display panel is also provided.

Abstract: The present invention provides a diffuser plate whose luminance of emission light emitted from a microlens is even in a diffusion range. The diffuser plate comprises a projection side main surface, an emission side main surface, and a fine structure having a plurality of microlens shape parts with a microlens-like shape. A numerical aperture NA of the projection light is greater than 0 and 0.140 or less. An incident angle ?i formed by an optical axis of the projection light at the microlens shape part and a normal of the projection side main surface intersecting with each other is in a range of 0 to 50 degrees. At least one of the plurality of microlens shape parts emits the emission light at an emission angle ?o formed by the optical axis of the emission light and the normal of the projection side main surface intersecting with each other.

Abstract: A fundus image capture system operates to determine if the system has captured an image that identifies the fundus, a region of interest in the image, or the current field of view. According to the determination, the system can guide the user to operate the system to capture a desired fundus image.

Abstract: A transmission structure includes a plurality of first transmission units and a plurality of second transmission units. A transmission phase of an electromagnetic wave of the second transmission unit is equal or similar to a transmission phase of an electromagnetic wave of the first transmission unit. A reflection phase of the electromagnetic wave of the second transmission unit is different from a reflection phase of the electromagnetic wave of the first transmission unit. The plurality of first transmission units and the plurality of second transmission units are arranged disorderly on a surface.

Abstract: A near eye display (NED) includes an electronic display configured to output image light. Further, the NED includes an eye tracking module and multiple optical elements that are combined to form an optical system to allow for changes in position of one or both eyes of a user of the NED. Various types of such optical elements, which may have optical states that are switchable, may be used to steer a light beam toward the user's eye. A direction of the steering may be based on eye tracking information measured by the eye tracking module.

Abstract: A display apparatus includes a display unit having a display area in which a two-dimensional image is displayed, and an optical element configured by disposing a plurality of structural bodies for separating the image displayed in the display area into images observed at predetermined observation positions arranged at intervals in a horizontal direction. In the display area, pixels are arranged in a matrix pattern in the horizontal direction and in a vertical direction, and pixels having different planar shapes are arranged for each row in a certain cycle, and the structural bodies of the optical element are disposed to be tilted at an inclination which satisfies (J+0.5)/3 (J is an integer of 3 or more) with respect to the vertical direction with a number of pixels as a unit.

Abstract: An optical system including a first lens element having an optical center, a second lens element having an optical center spaced apart from the first lens element and oriented such that a beam passing through the optical center of said first lens element will also pass straight the optical center of the second lens element, the beam defining an optical path; and at least one planar, optical slab configured to be movable between at least two positions, a first position wherein at least a portion of a planar surface of the optical slab is disposed between the first and second lens elements such that a beam transmitted therethrough also passes through the planar, optical slab and a second position wherein the planar, optical slab is fully outside of the optical path created by the first and second lens elements.

Abstract: A variable magnification optical system comprises, in order from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power and a fourth lens group G4 having negative refractive power; upon varying a magnification, a distance between the first lens group G1 and the second lens group G2 being varied, a distance between the second lens group G2 and the third lens group G3 being varied, and a distance between the third lens group G3 and the fourth lens group G4 being varied; upon focusing, the fourth lens group G4 being moved; and a predetermined conditional expression being satisfied.

Abstract: A scanning microscope apparatus has a laser light to generate a beam at an excitation wavelength. A beam expander enlarges the beam width and forms a collimated beam, scanned in a raster pattern. A catadioptric objective has a curved partially transmissive mirror surface symmetric about an optical axis and disposed to focus a portion of the received scanned collimated beam toward a focal plane at the sample, wherein the mirror surface has a center of curvature either at an axis of rotation of the scanner or at an image of the axis of rotation. A reflective polarizer cooperates with the curved mirror to direct the focused light toward the sample. One or more polarization retarders condition excitation light conveyed toward and away from the curved mirror. A beam splitter separates the generated laser light from a signal and directs the signal toward a detector.

Abstract: An observation device includes an objective lens disposed below a container to collect light from a specimen; a surface light source that is disposed at a pupil position of the objective lens in the optical path of the illumination light, that causes illumination light to enter the container from below, and that can change a light emission pattern in a direction intersecting an emission optical axis, an imaging optical system that captures light from the specimen generated by the specimen being irradiated with the illumination light from the surface light source and focused by the objective lens below the container; and a controller that corrects a light emission pattern on a basis of the light emission pattern and at least one of a brightness, contrast, and the relationship between the number of pixels and the luminance of an acquired image with the light emission pattern.