An imaging apparatus includes an imaging optical system that has a light transmission characteristic of transmitting near-infrared light in a near-infrared light wavelength range including 1550 nm, and an imaging sensor that outputs an imaging signal by imaging the near-infrared light transmitted through the imaging optical system, the imaging sensor has sensitivity to heat radiation from a subject, and the imaging signal includes information regarding a heat radiation image by the heat radiation.

Apparatus and methods are disclosed utilizing selected infrared waveband observations to determine selected profiles of interest. A correlative system is constructed and installed at a processor. Thermal and refractivity profiles and structure in a waveband of interest are extracted from observed infrared spectrum single waveband observations received for processing at the processor by the correlative system. The output provides the selected profiles of interest in the waveband of interest. The apparatus includes an infrared receiver and means for measuring angular displacement of received emissions relative to a horizon. The processor converts received emission into equivalent Planck blackbody temperatures across the observations and correlates structure and vertical distribution of the temperatures to provide thermodynamic and refractivity profiles of interest.

A method is disclosed. The method includes capturing, by an infrared camera, a first image of a first temperature controlled surface having a first known temperature below a temperature threshold, the infrared camera having an array of infrared sensors, the first image having first pixels, the first pixels having first data indicative of a plurality of first temperatures; capturing, by the infrared camera, a second image of a second temperature controlled surface having a second known temperature above the temperature threshold, the second image having second pixels, the second pixels having second data indicative of a plurality of second temperatures; and calibrating a plurality of the pixels in the array of infrared sensors with the first data and the second data.

The present disclosure discloses an infrared thermometer for a magnetic induction identification probe cap, including the body of the infrared thermometer, at an upper end of which is a temperature probe designed with a cap, of which an inner side wall is beset with a magnet block; in the infrared thermometer body ata lower end of the temperature probe is a magnetic induction element connected with a main control unit of the body of the infrared thermometer; when the cap covers the temperature probe or is removed there-from, the magnetic induction between the magnet block and the magnetic induction element enables magnetic induction output control signals. For the infrared thermometer applicable for both forehead temperature measurement and ear canal temperature measurement, the magnetic induction identification probe cap switches between a forehead temperature measurement mode and an ear canal temperature measurement mode.

Apparatus and methods are disclosed utilizing selected infrared waveband observations to determine selected profiles of interest. A correlative system is constructed and installed at a processor. Thermal and refractivity profiles and structure in a waveband of interest are extracted from observed infrared spectrum single waveband observations received for processing at the processor by the correlative system. The output provides the selected profiles of interest in the waveband of interest. The apparatus includes an infrared receiver and means for measuring angular displacement of received emissions relative to a horizon. The processor converts received emission into equivalent Planck blackbody temperatures across the observations and correlates structure and vertical distribution of the temperatures to provide thermodynamic and refractivity profiles of interest.

An apparatus for measuring temperature of turbine blades, including: a radiation collection device, a data processing module; a master control unit (MCU); a calibration module; and a motion servo. The radiation collection device includes a scan reflector, a collimator lens, a first dichroic mirror, a first focus lens, a visible and near-infrared (VNIR) detector, a second dichroic mirror, a second focus lens, a short-wave infrared (SWIR) detector, a third focus lens, and a medium-wave infrared (MWIR) detector. The calibration module includes a calibration reflection mirror and a blackbody furnace. The scan reflector, the collimator lens, the first dichroic mirror, the second dichroic mirror, the third focus lens, and the MWIR detector are disposed successively along a first optical axis; the first dichroic mirror, the first focus lens, and the VNIR detector are disposed successively along a second optical axis that is perpendicular to the first optical axis.

An atmosphere of ammonia that absorbs infrared light in a wavelength band overlapping with the measurement wavelength band of a radiation thermometer is formed in a chamber in which a semiconductor wafer is thermally treated. A filter that selectively transmits infrared light having a wavelength not overlapping with the absorption wavelength band of ammonia is installed between an optical lens system and a detector of the radiation thermometer to avoid influence of the infrared light absorption by ammonia. A conversion table corresponding to the installed filter is selected from a plurality of conversion tables representing a correlation between energy of infrared light incident on the radiation thermometer and temperature of a black body, and is used at the radiation thermometer. Accordingly, the temperature of the semiconductor wafer can be accurately measured in the atmosphere of ammonia.

This utility model discloses an infrared thermometer for magnetic induction identification probe cap, including the body of infrared thermometer, at the upper end of which is a temperature probe designed with a cap, of which the inner side wall is beset with a magnet block; in the infrared thermometer body at lower end of temperature probe is a magnetic induction element connected with the main control unit of infrared thermometer body; when the cap covers the temperature probe or is removed there-from, the magnetic induction between magnet block and magnetic induction element enables magnetic induction output control signal. The main control unit of infrared thermometer body turns on the magnetic induction identification output control; for the infrared thermometer applicable for both forehead temperature measurement and ear canal temperature measurement, the magnetic induction identification cap switches between the forehead temperature measurement and ear canal temperature measurement modes.

An apparatus for measuring temperature of turbine blades, including: a radiation collection device, a data processing module; a master control unit (MCU); a calibration module; and a motion servo. The radiation collection device includes a scan reflector, a collimator lens, a first dichroic mirror, a first focus lens, a visible and near-infrared (VNIR) detector, a second dichroic mirror, a second focus lens, a short-wave infrared (SWIR) detector, a third focus lens, and a medium-wave infrared (MWIR) detector. The calibration module includes a calibration reflection mirror and a blackbody furnace. The scan reflector, the collimator lens, the first dichroic mirror, the second dichroic mirror, the third focus lens, and the MWIR detector are disposed successively along a first optical axis; the first dichroic mirror, the first focus lens, and the VNIR detector are disposed successively along a second optical axis that is perpendicular to the first optical axis.

A device for measuring the performance of an optical detector includes a cryostat, a holder capable of receiving the detector, secured to the inside of the cryostat, and means for measuring the performance of the detector. It also includes a screen arranged around the holder capable of limiting the radiation likely to reach the holder in a wavelength range of the detector, and a single-mode optical fiber in the wavelength range of the detector, inserted in an opening of the cryostat. The device further comprises at least one luminous flux generation module that incorporates a fibered source capable of generating the luminous flux in the optical fiber.