A hyperspectral imaging system has a processor to receive hyperspectral imaging parameters and produce a series of images to be acquired at a series of retardances at a series of retardance times, a hyperspectral imaging component having an input polarizer to polarize an incoming beam of light, a liquid crystal variable retarder to receive the polarized beam of light and to produce wavelength-dependent polarized light, an output polarizer to receive the wavelength-dependent polarized light and to convert polarization state information into a form detectable as light intensity, a voltage source connected to the liquid crystal variable retarder, and a retardance controller. The retardance controller receives the series of retardances at a series of retardance times and produces a series of voltages at a series of voltage times to apply to the liquid crystal variable retarder. A focal plane array, synchronized with the retardance controller, receives the light in a form detectable as light intensity and converts the light to a series of images.

Techniques and mechanisms for providing electrical insulation or other protection of an integrated circuit (IC) device with a spacer structure which comprises an (anti)ferromagnetic material. In an embodiment, a transistor comprises doped source or drain regions and a channel region which are each disposed in a fin structure, wherein a gate electrode and an underlying dielectric layer of the transistor each extend over the channel region. Insulation spacers are disposed on opposite sides of the gate electrode, where at least a portion of one such insulation spacer comprises an (anti)ferroelectric material. Another portion of the insulation spacer comprises a non-(anti)ferroelectric material. In another embodiment, the two portions of the spacer are offset vertically from one another, wherein the (anti)ferroelectric portion forms a bottom of the spacer.

An optical waveplate is provided. The optical waveplate includes a plurality of liquid crystal (LC) layers stacked together. At least one of the plurality of LC layers includes LC molecules that are in-plane switchable by an external field to switch the optical waveplate between states of different phase retardances.

An optical waveplate is provided. The optical waveplate includes a plurality of liquid crystal (LC) layers stacked together. At least one of the plurality of LC layers includes LC molecules that are in-plane switchable by an external field to switch the optical waveplate between states of different phase retardances.

A hyperspectral imaging system has a processor to receive hyperspectral imaging parameters and produce a series of images to be acquired at a series of retardances at a series of retardance times, a hyperspectral imaging component having an input polarizer to polarize an incoming beam of light, a liquid crystal variable retarder to receive the polarized beam of light and to produce wavelength-dependent polarized light, an output polarizer to receive the wavelength-dependent polarized light and to convert polarization state information into a form detectable as light intensity, a voltage source connected to the liquid crystal variable retarder, and a retardance controller. The retardance controller receives the series of retardances at a series of retardance times and produces a series of voltages at a series of voltage times to apply to the liquid crystal variable retarder. A focal plane array, synchronized with the retardance controller, receives the light in a form detectable as light intensity and converts the light to a series of images.

A hyperspectral imaging system has a processor to receive hyperspectral imaging parameters and produce a series of images to be acquired at a series of retardances at a series of retardance times, a hyperspectral imaging component having an input polarizer to polarize an incoming beam of light, a liquid crystal variable retarder to receive the polarized beam of light and to produce wavelength-dependent polarized light, an output polarizer to receive the wavelength-dependent polarized light and to convert polarization state information into a form detectable as light intensity, a voltage source connected to the liquid crystal variable retarder, and a retardance controller. The retardance controller receives the series of retardances at a series of retardance times and produces a series of voltages at a series of voltage times to apply to the liquid crystal variable retarder. A focal plane array, synchronized with the retardance controller, receives the light in a form detectable as light intensity and converts the light to a series of images.

The present disclosure belongs to the field of display technology, and particularly relates to an optical waveguide display substrate, a manufacturing method thereof, and a display apparatus. The optical waveguide display substrate comprises a side light source, an alternating-electric-field electrode structure, and a light scattering layer, wherein the side light source is provided at at least one side of the light scattering layer, the light scattering layer is switchable between a transparent state and a light scattering state under influence of an alternating electric field applied by the alternating-electric-field electrode structure, so that incident light from the side light source is scattered out of the optical waveguide display substrate to form a display image, and the light scattering layer comprises a polymer network and a light scattering liquid crystal material.

The present disclosure belongs to the field of display technology, and particularly relates to an optical waveguide display substrate, a manufacturing method thereof, and a display apparatus. The optical waveguide display substrate comprises a side light source, an alternating-electric-field electrode structure, and a light scattering layer, wherein the side light source is provided at at least one side of the light scattering layer, the light scattering layer is switchable between a transparent state and a light scattering state under influence of an alternating electric field applied by the alternating-electric-field electrode structure, so that incident light from the side light source is scattered out of the optical waveguide display substrate to form a display image, and the light scattering layer comprises a polymer network and a light scattering liquid crystal material.

A structured illumination microscope includes a spatial light modulator containing ferroelectric liquid crystals, an interference optical system for illuminating a specimen with an interference fringe generated by making lights from the spatial light modulator interfere with each other, a controller for applying a voltage pattern having a predetermined voltage value distribution to the ferroelectric liquid crystals, an image forming optical system for forming an image of the specimen, which has been irradiated with the interference fringe, an imaging element for generating an image by imaging the image formed by the image forming optical system, and a demodulating part for generating a demodulated image using a plurality of images, wherein the controller applies an image generation voltage pattern for generating the demodulated images and a burn-in prevention voltage pattern calculated based on the image generation voltage pattern to the ferroelectric liquid crystals.

A graphene and liquid crystal device comprising a substrate, a layer of graphene on the substrate, and a layer of liquid crystal on the layer of graphene. A graphene and liquid crystal device wherein the layer of graphene is an alignment layer and an electrode for a liquid crystal device.