Abstract: It is described a method for the production of a fully or partially reflective stretchable and deformable optical element, comprising the implantation in at least one surface of an elastomeric support, by a technique of “Cluster Beam Implantation”, of neutral nanoclusters of a material selected among one or more metals, their alloys, their oxides or mixtures thereof, thus obtaining in said support a nanocomposite layer, possibly emerging at the surface of said element, and said implantation taking place by: uniformly implanting said nanoclusters in a surface of said elastomeric support, wherein said surface has a molded profile essentially corresponding to the profile of the optical element to be produced; or selectively implanting said nanoclusters in a flat surface of said elastomeric support; or uniformly implanting a first layer of said nanoclusters in a surface of said elastomeric support, and then selectively implanting a second layer of said nanoclusters onto the first nanoclusters layer thus obtain

Abstract: Provided is a zoom lens, including, in order from an object side to an image side: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; and a third lens unit having a positive refractive power. In the zoom lens, during zooming, the first lens unit is configured not to move, and the second lens unit and the third lens unit are configured to move along mutually different loci, and a focal length (fw) of the zoom lens at a wide angle end, a focal length (ft) of the zoom lens at a telephoto end, a focal length (f2) of the second lens unit, and a focal length (f3) of the third lens unit are appropriately set.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. At least one lens among the first to the sixth lenses has positive refractive force. The seventh lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the seventh lenses. The optical image capturing system can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: Methods, systems, and apparatus, for optical depolarization. One optical depolarizer includes a light-combining module comprising a birefringent prism, wherein an optic axis of a first crystal of the birefringent prism forms a 90° angle with an optic axis of a second crystal of the birefringent prism; and a depolarization module, wherein the depolarization module is disposed at a light emitting end of the light-combining module, the depolarization module comprising a light splitting component and a light-combining component disposed at an emitting end of the light-splitting component, and a delayer disposed between the light-splitting component and the light-combining component, wherein the delayer is disposed on an emitting optical path of the light-splitting component.

Abstract: Systems, methods, and apparatus for optical switching. In some implementations, a magneto-optic switch includes multiple optical components positioned in order along a light path including: a single fiber optical collimator, a first birefringent optic crystal, a first half wave plate assembly, a polarization rotation assembly, a second half wave plate assembly, a second birefringent optic crystal, and a dual fiber optic collimator, wherein a first side of the polarization rotation assembly near the first half wave plate assembly includes a first Faraday rotator element, a second side of the polarization rotation assembly near the second half wave plate assembly includes an optic rotation component, the polarization rotation assembly having a magnetic field generating component outside the first Faraday rotator element.

Abstract: A laser system and associated method are provided for controlling the wave front of a primary laser beam. The laser system includes a laser medium for producing a primary laser beam and at least one optical element to which the primary laser beam is directed. The laser system also includes a secondary laser source for producing a secondary laser beam. The laser system may further include a spatial light modulator configured to receive the secondary laser beam and to spatially modulate the secondary laser beam to create a spatially modulated secondary laser beam having a spatial intensity pattern. The spatially modulated secondary laser beam may impinge upon at least one of the laser medium or the at least one optical element in order to selectively modify the temperature of portions of the laser medium or the at least one optical element upon which the spatially modulated secondary laser beam impinges.

Abstract: An apparatus for covering eyes of a human includes: an eye piece configured for covering one of the eyes of the human; and an eye patch configured for covering the other one of the eyes of the human; wherein the eye piece and the eye patch are configured for preventing transmission of visible light; and wherein the eye piece comprises a region that is transparent for electromagnetic radiation with a wavelength range outside a visible range.

Abstract: A display apparatus comprises a display panel and a reflection member. The display panel comprises an array of pixels, the array having a quadrangular shape. The reflection member is disposed in a position not to overlap at least a portion of the array when viewed in a normal direction substantially perpendicular to a major surface of the display panel, the reflection member being configured to reflect light that is emitted from the display panel in a direction slanted with respect to the normal direction. The combination of light emitted from the display panel in the normal direction and the reflected light is configured to form an image having a shape other than a quadrangular shape.

Abstract: An optical imaging lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, the image-side surface of the fourth lens element has at least one convex critical point in an off-axial region thereof, and the two surfaces thereof are both aspheric. The optical imaging lens system has a total of four lens elements.

Abstract: A lithography-free, mold-free, single-step method of fabricating high quality optical lenses by curing polydimethylsiloxane (PDMS) droplets on a pre-heated smooth surface allows lenses with different focal lengths to be made by varying the droplet volume and surface temperature.

Abstract: A four-piece optical lens for capturing image and a four-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with positive refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: Fluorescent displays are manufactured by lamination of at least one film A containing a polyvinyl acetal PA and, optionally, a plasticizer WA and at least one film B containing a polyvinyl acetal PB and at least one plasticizer WB between two glass panes, wherein prior to lamination, film A contains less than 22 wt. % plasticizer WA and contains 0.001 to 5 wt. % fluorophores, and film B contains at least 22 wt. % plasticizer WB and contains 0.005-5 wt. % UV absorber, each before lamination.

Abstract: A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: The invention relates to a tinted polarizing optical element (1), including a polarizing assembly (5) consisting of at least a first layer (7) and a second layer (9) made of a thermoplastic or thermosetting material and sandwiching a polarizing film (11) therebetween, and to a method for manufacturing said optical element. The latter further comprises a third layer (13) made of a tinted thermoplastic material adhering, by means of injection, to the second layer (9), characterized in that the element includes a fourth layer (15) which is made of a crystal thermoplastic material adhering, by means of injection, to the third layer (13), and which is to be surfaced so as to achieve a corrective effect.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An interference filter includes a layers stack comprising a plurality of layers of at least: layers of amorphous hydrogenated silicon with added nitrogen (a-Si:H,N) and layers of one or more dielectric materials, such as SiO2, SiOx, SiOxNy, a dielectric material with a higher refractive index in the range 1.9 to 2.7 inclusive, or so forth. The interference filter is designed to have a passband center wavelength in the range 750-1000 nm inclusive. Layers of a dielectric material with a higher refractive index in the range 1.9 to 2.7 inclusive provide a smaller angle shift compared with a similar interference filter using SiO2 as the low index layers.

Abstract: An eyeglasses temple includes a curved section and a support section coupled to the curved section. The curved section includes a metal member, upper and lower plastic members for wrapping the metal member, and a connector installed to an inner side of the support section and proximate to an eyeglasses frame. The metal member is made of a flexible iron material, the upper and lower plastic members are made of silicone and nylon respectively, and the support section is made of nylon. With the metal member made of a flexible iron material, the upper plastic member made of silicon, the lower plastic member made of nylon, and the support section made of nylon, the eyeglasses temple has a higher strength, and provides a friction between the eyeglasses temple and a wearer's ear to prevent the eyeglasses from sliding down or falling out from the wearer's nose bridge and ears.

Abstract: A fastening structure of a brittle-fracturable panel material includes a first fastening flange, a second fastening flange, and a light transmission window panel made of a brittle-fracturable panel material, wherein the light transmission window panel is nipped between the first fastening flange and the second fastening flange, and both fastening flanges are air-tightly fitted and fastened.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens comprises a first lens element, a second lens element, a third lens element, and a fourth lens element positioned in an order from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and an enlarged field angle, and the total length of the optical imaging lens may be shortened.