A 3 MOS camera includes a first prism that has a first reflection film which reflects IR light that causes a first image sensor to receive the IR light, a second prism that has a second reflection film which reflects A % (A: a predetermined real number) visible light and that causes a second image sensor to receive the A % visible light, a third prism that causes a third image sensor to receive a (100−A)% visible light, and a video signal processor that combines a first video signal, a second video signal, and a third video signal of an observation part. The video signal processor performs pixel shifting on one of the second video signal and the third video signal having substantially same brightness to generate a fourth video signal and outputs a video signal obtained by combining the fourth video signal and the first video signal.

The system and method for combining two optical assemblies into the same volume, particularly when the field of view of the two assemblies are different, so that the overall volume and swap for the system is reduced. This also allows both subsystems to use the same external protective window, reducing overall cost for a system of co-located dissimilar optical systems in a single aperture.

Methods and devices to build and use multi-functional scattering structures. The disclosed methods and devices account for multiple target functions and can be implemented using fabrication methods based on two-photon polymerization or multi-layer lithography. Exemplary devices functioning as wave splitters are also described. Results confirming the performance and benefits of the disclosed teachings are also described.

A spectroscopic module includes a plurality of beam splitters that are arranged along an X direction; a plurality of bandpass filters disposed on one side in a Z direction with respect to the plurality of beam splitters facing the plurality of beam splitters, respectively; a light detector disposed on the one side in the Z direction with respect to the plurality of bandpass filters and including a plurality of light receiving regions facing the plurality of bandpass filters, respectively; a first support body supporting the plurality of beam splitters; and a second support body supporting the plurality of bandpass filters. The second support body includes a support portion in which a support surface is formed so as to be open to the one side in the Z direction. The plurality of bandpass filters are disposed on the support surface.

An endoscopic camera system having an optical assembly; a first color image sensor transmitting a first low dynamic range image; a second color image sensor transmitting a second low dynamic range image; a monochrome image sensor transmitting a monochrome image; an HDR processor coupled to the first color image sensor and the second color image sensor for receiving the first low dynamic range image and the second low dynamic range image, the HDR processor being configured to combine the first low dynamic range image and the second dynamic range image into a high dynamic range image; and a combiner coupled to the HDR processor and the monochrome image sensor, the combiner being configured to combine the high dynamic range image with the monochrome image.

An image sensor includes: a light detector including a plurality of photosensitive cells configured to sense light; a color separation lens array provided above the light detector and including a plurality of pattern structures, the color separation lens array being configured to collect light having different wavelength spectra respectively on at least two photosensitive cells of the plurality of photosensitive cells; and a variable interlayer element configured to adjust an optical distance between the light detector and the color separation lens array.

Provided are a hyperspectral sensor and a hyperspectral camera in which influence of external information such as a reflecting material is reduced such that the spectral data accuracy of a subject to be acquired can be improved. In the hyperspectral sensor in which light from a subject is split into light components in a plurality of wavelength ranges by a spectral optical element and each of the light components in the wavelength ranges is received by a sensor array consisting of a plurality of photodetection elements to acquire spectral data in which spectral information of the subject is associated with each of the photodetection elements, a polarization diffraction element that emits polarized light is used as the spectral optical element.

An apparatus includes imaging optics having an objective lens configured to focus electromagnetic radiation to an intermediate image plane and one or more optical devices configured to generate an optical beam from the electromagnetic radiation. The apparatus also includes at least one imaging sensor configured to capture an image from the optical beam. The apparatus further includes a beam generator configured to generate and transmit an HEL beam through the imaging optics. In addition, the apparatus includes an intermediate alignment target configured to be moveably positioned at the intermediate image plane. The intermediate alignment target includes a first-wavelength target configured to reflect a first spectral band of the HEL beam to a first of the at least one imaging sensor (the first imaging sensor configured to capture a first-wavelength infrared image of the first spectral band) and transmit remaining spectral portions of the HEL beam towards the objective lens.

A device utilized for spectrally combining multi lasers or laser emitters into a single high-power beam. Exemplary embodiments of the device consist of a monolithic structure, such as a hollow tube, wherein the input end cap comprises a transform optic and the output end cap comprises a transmission grating.

A system is disclosed that display configured to transmit a signal that includes a first light configured as a display image and a second light configured as a reference image. The system also includes a beam splitter, a selectively transmissive mirror and a sensor configured to detect the second light. The beam splitter is configured to receive the signal from the display and reflect the signal to the selectively transmissive mirror. The selectively transmissive mirror is configured to receive the reflected signal, transmit the second light toward a sensor, and reflect the first light, wherein the first light is configured with a first bandwidth, wherein the second light is configured with a second bandwidth. The system further includes a corrector lens configured to receive the first light and transmit the first light to an exit pupil.