A cavity blackbody radiation source is provide. A cavity blackbody radiation source comprises a blackbody radiation cavity and a carbon nanotube layer. The blackbody radiation cavity comprises an inner surface. The carbon nanotube layer is located on the inner surface. The carbon nanotube carbon nanotube layer comprises a plurality of carbon nanotubes and a plurality of microporous. A method of making the cavity blackbody radiation source is also provide.

A thermal pixel configured as an electromagnetic emitter and/or an electromagnetic detector. The thermal pixel comprises a micro-platform suspended with semiconductor nanowires from a surrounding support platform. The nanowires comprise phononic structure providing a decrease in thermal conductivity. In some embodiments, the pixel is structured for operation within a broad bandwidth or a limited bandwidth. Metamaterial and/or photonic crystal filters provide pixel operation over a limited bandwidth. In some other embodiments, the micro-platform comprises a nanotube structure providing a broadband emission/absorption spectral response.

An infrared imaging device includes a plurality of electronic components, a phase change material, and a heat transfer structure. The plurality of electronic components is configured to collect data and have a predetermined temperature parameter. The plurality of electronic components is disposed within the phase change material. The phase change material has a first material phase and a second material phase. The phase change material has a first material phase and a second material phase. The phase change material is configured to absorb heat through changing from the first material phase to the second material phase. The heat transfer structure is disposed within the phase change material. The heat transfer structure is configured to conduct heat within the phase change material. The phase change material and the heat transfer structure are further configured to regulate a temperature of the electronic components below the predetermined temperature parameter.

A light detection device includes a Fabry-Perot interference filter, a light detector, a spacer that has a placement surface on which a portion outside a light transmission region in a bottom surface of the interference filter is placed, and an adhesive member that adheres the interference filter and the spacer to each other. Elastic modulus of the adhesive member is smaller than elastic modulus of the spacer. At least a part of a lateral surface of the interference filter is located on the placement surface such that a part of the placement surface of the spacer is disposed outside the lateral surface. The adhesive member is disposed in a corner portion formed by the lateral surface of the interference filter and the part of the placement surface of the spacer and contacts each of the lateral surface and the part of the placement surface.

A light detection device includes a Fabry-Perot interference filter, a light detector, a spacer that has a placement surface on which a portion outside a light transmission region in a bottom surface of the interference filter is placed, and an adhesive member that adheres the interference filter and the spacer to each other. Elastic modulus of the adhesive member is smaller than elastic modulus of the spacer. At least a part of a lateral surface of the interference filter is located on the placement surface such that a part of the placement surface of the spacer is disposed outside the lateral surface. The adhesive member is disposed in a corner portion formed by the lateral surface of the interference filter and the part of the placement surface of the spacer and contacts each of the lateral surface and the part of the placement surface.

A non-contact temperature sensor (1) suitable for use in measuring the temperature of a material blank (3). The temperature sensor (1) comprises a housing (5), an opening (7) at the forward end of the housing (5), a reflector (13) that is located within the housing (5), at least one aperture (15) that is located between the forward surface and the rearward surface of the reflector (13) and a light detector arrangement (17) located rearward of the reflector (13). The light detector arrangement (17) is orientated such that it can receive light passing through the at least one aperture (15) and it is capable of detecting at least two ranges of wavelengths of infrared light. The light detector arrangement (17) outputs data for each of the at least two ranges of wavelengths of infrared light.

Provided is a photodetection apparatus which includes a mounting board, and an optical sensor device that includes a first surface on the mounting board side and a second surface on a side opposite to the mounting board, and is mounted on the mounting board. The optical sensor device includes an optical sensor that includes a light receiving surface on the second surface side, a signal processing circuit that is electrically connected to the optical sensor, and a lead frame that is provided on the second surface side with respect to the signal processing circuit, and shields a surface of the signal processing circuit on the second surface side. The mounting board has a conductive pattern that faces the signal processing circuit and shields a surface of the signal processing circuit on the first surface side.

Systems and methods are provided for filtering coherent infrared light from a thermal background for protection of infrared (IR) imaging arrays and detection systems. A Michelson interferometer is used for coherent light filtering. In an implementation, a system includes a fixed mirror, a beam splitter, and a moving mirror which can be controlled translationally, as well as tip/tilt. The Michelson interferometer may be used as an imaging system. For imaging applications, a system may comprise a tunable array of micro-electromechanical systems (MEMS) mirrors. A mid-wave IR interferometer with electronic feedback and MEMS mirror array is provided.

Systems and methods are provided for filtering coherent infrared light from a thermal background for protection of infrared (IR) imaging arrays and detection systems. A Michelson interferometer is used for coherent light filtering. In an implementation, a system includes a fixed mirror, a beam splitter, and a moving mirror which can be controlled translationally, as well as tip/tilt. The Michelson interferometer may be used as an imaging system. For imaging applications, a system may comprise a tunable array of micro-electromechanical systems (MEMS) mirrors. A mid-wave IR interferometer with electronic feedback and MEMS mirror array is provided.

An infrared imaging unit. The infrared imaging unit includes an infrared detector and a heat insulation assembly, the heat insulation assembly being disposed on one side of the infrared detector, the heat insulation assembly being used to isolate a heat transfer in the infrared imaging unit to the infrared detector.