Abstract: One embodiment of the present application sets forth an apparatus that includes a composite display layer that transmits a set of composite light. The composite display layer includes a display layer that provides a first subset of light included in the set of composite light, and a first mirror layer parallel to the first display layer that provides a second subset of light included in the set of composite light, where the second subset of light comprises a reflection of a first portion of the first subset of light. The composite display layer also includes a polarizer layer disposed on the composite display layer, where the polarizer layer provides the first portion of the first subset of light to the first mirror layer.

Abstract: A laminated diffractive optical element includes a first resin layer having a first lattice shape and a second resin layer having a second lattice shape. The first resin layer and the second resin layer are laminated in this order on a first substrate so that the lattice shapes oppose each other. The first resin layer contains a resin and transparent conductive particles. The transparent conductive particles have an average particle size of 1 nm to 100 nm. A ratio of a polymer of an energy curable resin raw material having a long diameter of 1 ?m to 10 ?m in the first resin layer is 70 pieces/mm3 or less.

Abstract: Optical films are disclosed that include a plurality of interference layers. Each interference layer reflects or transmits light primarily by optical interference. The total number of the interference layers is less than about 1000. For a substantially normally incident light in a predetermined wavelength range, the plurality of interference layers has an average optical transmittance greater than about 85% for a first polarization state, an average optical reflectance greater than about 80% for an orthogonal second polarization state, and an average optical transmittance less than about 0.2% for the second polarization state.

Abstract: A contact lens has a core that is thick enough to accommodate a payload. The core has a base surface for mounting the contact lens to the sclera of the user's eye. It also provides mechanical integrity to carry the payload. The contact lens also includes an outer covering and an inner covering. Each covering is a thin layer of gas-permeable material shaped to form an air gap between the covering and the core. The two air gaps are connected by an air path that traverses the core. Oxygen from an outside environment passes through the gas-permeable outer covering to reach the outer air gap, through the air path to the inner air gap, and through the gas-permeable inner covering to reach the cornea of the wearer's eye.

Abstract: An optical element retainer includes a ring body defined about a central axis. The ring body includes an inner diametric surface, an outer diametric surface opposed to the inner diametric surface, a first annular axial surface, and a plurality of flexures extending from a second annular axial surface opposite the first annular axial surface.

Abstract: Visual acuity of a subject is ascertained by displaying to the subject sets of symbols having a different size, recording the subject's responses identifying each symbol, calculating a rate of recognition for each symbol size, and determining the client's visual activity based on the rate of recognition.

Abstract: A micromechanical mirror structure includes a mirror element designed to reflect an incident light radiation and a protective structure arranged over the mirror element to provide mechanical protection for the mirror element and to increase the reflectivity of the mirror element with respect to the incident light radiation. The protective structure has a first protective layer and a second protective layer which are stacked on the mirror element. The second protective layer is arranged on the first protective layer and the first protective layer is arranged on the mirror element. The layers include a respective dielectric material and having respective refractive indexes that jointly increase the reflectivity of the mirror element in a range of wavelengths of interest.

Abstract: A dichroic prism beamsplitter may include a medium with a refractive index greater than approximately 1.0. The dichroic prism beamsplitter may include a plurality of layers sandwiched by the medium. The plurality of layers may include an equivalent structure including at least one layer with a refractive index that is less than a threshold refractive index for total internal reflection. The at least one layer may be associated with a thickness less than or equal to a threshold thickness associated with total internal reflection for a threshold wavelength. The at least one layer may cause total internal reflection for a first wavelength range that is less than or equal to the threshold wavelength and causes evanescent wave coupling for a second wavelength range that is greater than the threshold wavelength.

Abstract: The invention relates to a method for examining an eye of a patient by the patient themselves by means of an ophthalmological apparatus, said apparatus having front optics and an apparatus pupil. According to said method, the patient positions the ophthalmological apparatus relative to the eye, a measure of the deviation of the pupil of the eye from the apparatus pupil is determined, and a pupil correction signal is produced depending on the measure of the deviation, said pupil correction signal specifying a direction and/or a degree of the deviation and being output to the patient. The patient can use the pupil correction signal for repositioning in relation to the ophthalmological apparatus with a smaller deviation.

Abstract: An optical imaging lens may include a first, a second, a third and a fourth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the four lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, increased field of view and increased aperture while the optical imaging lens may satisfy (G34+T4)/AAG?2.200 and V1+V2+V3+V4?110.000, wherein an air gap between the third lens element and the fourth lens element along the optical axis is represented by G34, a thickness of the fourth lens element along the optical axis is represented by T4, a sum of the three air gaps from the first lens element to the fourth lens element along the optical axis is represented by AAG and Abbe numbers of the first to the fourth lens elements are represented by V1, V2, V3 and V4.

Abstract: A dimming laminate (10) includes: a dimming substrate (18) in which a dimming function material (16) is provided between two first transparent substrates (12) and (14); and a second transparent substrate (22) that is bonded to one first transparent substrate (12) through an adhesive layer (20). Each of the first transparent substrates (12) and (14) has a different average thermal expansion coefficient at 50-350° C. from that of the second transparent substrate (22). In the dimming laminate (10), a third transparent substrate (26) is bonded to the other first transparent substrate (14) through an adhesive layer (24), and an average thermal expansion coefficient at 50-350° C. is equal between the third transparent substrate (26) and the second transparent substrate (22).

Abstract: An infrared imaging lens system comprises, in order from an object side, a first lens formed of silicon whose minimum transmittance of infrared rays with a wavelength of 8 ?m to 13 ?m is at least 40% for a thickness of 1 mm, and a second lens formed of chalcogenide glass. The silicon whose minimum transmittance of infrared rays with a wavelength of 8 ?m to 13 ?m is at least 40% for a thickness of 1 mm can be obtained at low cost for example by controlling the oxygen concentration in CZ method.

Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens has a positive refractive power and a convex object-side surface. The second lens has a refractive power, a convex object-side surface, and a concave image-side surface. Each of the third lens and the fourth lens has a refractive power. The fifth lens has a positive refractive power, and a convex image-side surface. The sixth lens has a negative refractive power, and a concave object-side surface and a concave image-side surface. A total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.6.

Abstract: An electrically-tunable optical filter has an optical cavity that forms an absorption peak in light that is incident on the filter. The optical cavity includes a layer composed of a material with a high electro-optic coefficient so that the index of refraction of the layer changes in response to a voltage applied by a controller. By adjusting the voltage, the controller can control the index of refraction so that an absorption peak of the filter can be tuned as may be desired without having to alter the physical structure of the filter.

Abstract: An adjustable optical lens and camera module, and manufacturing method and applications thereof is disclosed. The camera module includes an optical sensor and an adjustable optical lens. The adjustable optical lens includes an optical structural member and at least two lenses, wherein each of the lenses is arranged in an internal space of the optical structural member. Along a vertical direction of the optical structural member, at least one lens is adapted to be adjustably pre-mounted to an internal space of the optical structural member serving as an adjustable lens. The side wall of the optical structural member is provided with at least one adjustment channel, which is positioned corresponding to the adjustable lens, so that an assembling position of the adjustable lens can be adjusted through the adjustment channel so as to align a central axis line of the adjustable optical lens with a central axis line of the optical sensor.

Abstract: Provided is an optical cap component in which a lens is attached to a shell with a high positional accuracy. An optical cap component 1 according to the present invention includes: a shell 30 with an opening 32a; a lens 20 inserted into and fixed in the opening 32a of the shell 30; and a fixing member 40 that fixes the lens 20 and the shell 30 together, wherein the opening 32a has an inside diameter larger than a diameter of the lens 20, and the fixing member 40 is made of glass containing an inorganic filler 41.

Abstract: A method and a corresponding device for providing a glare shield in a vehicle is designed to select a first element from the plurality of elements of the first layer, so that the first element lies on a light trajectory between the source of glare and a first eye of the viewer, the light trajectory between the source of glare and the first eye lies within the viewing direction range of the first element, and a light trajectory between the source of glare and a second eye of the viewer lies outside of the viewing direction range of the first element.

Abstract: The present invention provides an optical component comprising a dielectric layer and a nanorod array; the nanorod array is formed on a surface of the dielectric layer and extends along a lateral direction and a vertical direction. The nanorod array comprises a plurality of nanorods extending along the dielectric layer. The nanorods have a gap between one another, and an angle is defined by two adjacent nanorods. A bump is formed at each of two ends of the nanorod.

Abstract: A beam scanning apparatus includes a light source configured to emit light, and a reflective phased array device configured to reflect the light emitted from the light source and incident on the reflective phased array device, and electrically adjust a reflection angle of the reflected light reflected by the reflective phased array device, wherein the light source and the reflective phased array device are disposed such the light is incident on the reflective phased array device at an incidence angle with respect to a normal of a reflective surface of the reflective phased array device.

Abstract: A telescope includes a primary mirror, a secondary mirror configured to move along a first axis, and a tertiary mirror configured to move along a second axis. The secondary and tertiary mirrors are configured to move along respective axes in a synchronized manner to focus a beam of electromagnetic radiation from the primary mirror. The telescope further may include an anamorphic deformable mirror configured to achieve wavefront control and correction of optical aberrations. The telescope further may include a first linear actuator configured to move the secondary mirror along the first axis and a second linear actuator configured to move the tertiary mirror along the second axis.