Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The devices include an integrated diffractive beam shaping element that provides for the spatial separation of light emitted from the optical reactions.

An optical computing system includes: a light diffraction element divided into blocks and including cells having respective thicknesses or refractive indices set independently of each other, wherein each of the blocks includes: a first cell of the cells having a thickness or a refractive index such that first optical computing is carried out and, a second cell of the cells having a thickness or a refractive index such that second optical computing is carried out; a light-emitting device including light-emitting cells corresponding to each of the blocks, that generates signal light, and that emits the signal light to the light diffraction element; and a light-receiving device including light-receiving cells corresponding to each of the cells of the light diffraction element, and that detects the signal light from the light diffraction element.

The group of inventions relates to measuring technology, in particular to methods for inspection of the shape of hard-to-reach parts, and can be used in power engineering, transport, mechanical engineering and other fields of technology to measure the geometric parameters of a part. The technical result of the invention as claimed is to increase the accuracy, reliability and performance of measurements related to determining the shape and defects of parts installed in cavities, as well as the shape of the internal cavities of products and surface discontinuities. The method for controlling the shape of hard-to-reach parts, including the stages of delivery inside the controlling equipment of the executive part of the control system equipped with a miniature stereo camera, for navigation across the path of which white light illumination is used, the white light illumination is transmitted through an optical fiber, after leaving which the given indicatrix of intensity is formed by means of the first lens. This is followed by the stage of turning off or dimming the white light, followed by turning on the laser, which, by means of an optical fiber transmitting a laser stream passing through the second lens, forms a beam of rays, which, passing through a diffraction optical element, forms an image with small laser spots of intensity on the hard-to-reach surface of the part to obtain a stereo image of the hard-to-reach surface of the part. A three-dimensional hard-to-reach surface is restored, while laser intensity spots on a pair of flat images are used to automatically identify the same points of object on stereo images with a given degree of confidence. The inspection system consists of a miniature digital camera that forms a stereo image of the object under control, a white light illumination unit, a laser illuminator operating in pulsed or continuous mode, a handle placed on the articulation control panel, a PC for processing and displaying information, articulation cables, two lenses, DOE, a laser fiber, lighting fiber, power line and a video signal transmission line.

Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The devices include an integrated diffractive beam shaping element that provides for the spatial separation of light emitted from the optical reactions.

Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The devices include an integrated diffractive beam shaping element that provides for the spatial separation of light emitted from the optical reactions.

Provided is an optical microphone, including: an inner cavity and a sound inlet that allows the communication between the inner cavity and outside; an optoelectronic module including a light generator module and a light detector module; a MEMS module adjacent to the sound inlet and including a grating and a flexible diaphragm; and an ASIC module. The sound inlet is arranged in a shell wall of the shell. The optoelectronic module is arranged on another shell wall of the shell opposite to the sound inlet. A part of light emitted by the light generator module is diffracted by the grating, is incident on the flexible diaphragm and then is reflected to the light detector module by the flexible diaphragm, and another part of the light emitted by the light generator module is reflected to the light detector module by the reflective layer of the grating.

A low-height projector assembly includes a biconvex lens, a converging lens, an aperture stop, and a beam-steerer between the biconvex lens and the converging lens. The biconvex lens has a principal plane, a focal length, and a first optical axis. The converging lens has a second optical axis laterally offset from the first. The beam-steerer is configured to steer light from the biconvex lens to the converging lens. An aperture-stop plane intersects the second optical axis and the aperture stop. On the second optical axis, at least one of a front surface and a back surface of the converging lens is between the aperture-stop plane and the beam-steerer. The axial chief ray's propagation distance from the principal plane to the aperture stop differs from the focal length by less than half the depth of focus of the biconvex lens.

This application relates to a see-through head-mounted display using recorded substrate-guided holographic continuous lens (SGHCL) and a scanning laser beam that creates an image on a diffuser or a microdisplay with laser illumination. The high diffraction efficiency of the volume SGHCL creates very high luminance of the virtual image.

Disclosed is a four-dimensional (4D: 3D+time) multi-plane broadband imaging apparatus capable of recording 3D multi-plane and multi-colour images simultaneously. The apparatus includes: one or more non-reentry quadratically distorted (NRQD) gratings which can produce a focal length and a spatial position corresponding to each diffraction order, thus simultaneously transmitting wavefront information between multiple object/image planes and a single image/object plane; a grism system which can limit chromatically-induced lateral smearing by creating a collimated beam in which the spectral components are laterally displaced; a lens system which is configured to adjust the optical path; and the optical detector(s). In an optical system, the multiple object/image planes, the lens system, the grism system, the NRQD grating(s), the optical detector(s) and the single image/object plane are located on the same optical axis. This simple, easy-to-use and compact apparatus can meet many different requirements and serve a large range of high throughput applications.

Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The devices include an integrated diffractive beam shaping element that provides for the spatial separation of light emitted from the optical reactions.