An apparatus for correcting a temperature of an object using a shutter according to one embodiment of the present disclosure may comprise a temperature measurement module for measuring the temperature of the object and a temperature of the shutter, a noise temperature calculation module for calculating the temperature due to noise using the measured temperature of the shutter, and a temperature correction module for correcting the temperature of the object by subtracting the calculated temperature due to noise from the measured temperature of the object.

An apparatus includes a top surface configured to couple to a variable aperture mechanism (VAM), where the top surface has an opening configured to align with an aperture of the VAM. The apparatus also includes a bottom portion configured to couple to a cooled object and a contact portion configured to couple to a strut, where the top surface, bottom portion, and contact portion form a continuous body. The apparatus further includes a plurality of baffles within the continuous body, where each of the baffles has an opening configured to align with the aperture of the VAM. In addition, the apparatus includes a reinforcement ring comprised in or within the continuous body and disposed to be aligned with the strut when the strut is coupled to the continuous body.

A thermometer and associated method, apparatus and computer program product are disclosed for temperature detection. According to an embodiment, the thermometer comprises: a first channel for guiding a first signal for temperature detection of a target; a second channel for guiding a second signal for temperature detection of ambient air; a detection module for using the first and second signals to get a first and second temperature-related parameters respectively; a signal reflector which is able to reflect the first and second signals and movable to a first position such that the first signal is used by the detection module to get the first temperature-related parameter, and a second position such that the second signal is used by the detection module to get the second temperature-related parameter; a drive module for driving the signal reflector to move; and a control module configured to place the signal reflector via the drive module at the first and second positions respectively, and obtain the first and second temperature-related parameters.

A thermal imaging device having a scan mechanism operable to effectuate sequentially predetermined offsets, each configured between a thermal image of thermal radiations in a defined area on an imaging plane and an array of micro mirrors configured on a substrate. A respective image of a light pattern of a light beam reflected by a light reflection portion of each respective micro mirror in the array can be captured, when a rotation of the respective micro mirror, caused by radiation incident on a radiation absorption surface of the respective micro mirror, is stabilized at a respective offset. After computing a respective measurement of intensity measured by the respective micro mirror based on the respective image captured for the respective offset, a processor computes measurements of intensity of radiation in sub-areas of the thermal image, from measurements of intensity for the predetermined offsets, to generate a high resolution output.

The present application discloses a measurement device and a measurement method for measuring a temperature and an emissivity of a measured surface. The measurement device comprises a reflection converter, an optical receiver and a data processor, wherein the reflection converter comprises a reflector and an absorber tube, the reflector has a through hole, and the absorber tube may be shifted between a first measurement position and a second measurement position relative to the reflector. In the first measurement position, the light incident end of the absorber tube approaches or contacts the measured surface, such that the optical receiver receives inherent radiation light emitted from the measured surface and forms a first electrical signal. In the second measurement position, the light incident end of the absorber tube is located at the through hole or outside the through hole of the reflector, such that the optical receiver receives the inherent radiation light emitted from the measured surface and reflective radiation light between a reflection surface of the reflector and the measured surface and forms a second electrical signal. The data processor is configured to determine a temperature and an emissivity of the measured surface according to the first electrical signal and the second electrical signal.

An Infrared Detector Dewar system includes a housing and an infrared detector. The system also includes one or more strut members coupled on a first end to the housing. The system further includes cold shield coupled to the infrared detector and to a second end of the one or more strut members. The cold shield includes a reinforcement ring aligned with the one or more strut members. The cold shield is formed by forming a support member having disc encased by a support ring. The support member is positioned within a mandrel such that the reinforcement ring is disposed to align with a strut position. The cold shield is then formed by electroplating copper over the mandrel and at least a portion of the support member, and then by removing/dissolving all aforementioned mandrels.

An infrared imaging device includes an imaging element including a plurality of infrared detection pixels, a diaphragm, a temperature detection unit that detects the temperature of the diaphragm, a main memory that stores a first signal value corresponding to infrared rays, which are radiated from the diaphragm and are incident on each of the infrared detection pixels of the imaging element, so as to be associated with the F-number and temperature of the diaphragm, and a system control unit that controls the F-number of the diaphragm, based on the first signal value, captured image data obtained by capturing an image of the object using the imaging element in a state in which the F-number of the diaphragm is set to an arbitrary value, the temperature of the diaphragm detected by the temperature detection unit and the arbitrary value.

The invention proposes a mechanism and method of focusing for optical systems by gear and timing belt. In particular, the focusing mechanism for the optical system by gear and timing belt consists of the following components: the optical front cover module (including the first lens element, the middle lens element, the mechanical of front cover); The optical rear cover module (including last lens element, mechanical of rear cover); The focusing mechanism (including adjustment ring, radial shaft seal, transmission shaft, timing pulley, timing belt, ball bearing, large gear); The protection and mounting mechanical system (including mechanical protection cover, internal mounting mechanical system). The method of focusing for the optical system by mean of gear and timing belt consists of the following steps: Step 1: Integrating the mechanism into the mechanical of the system; Step 2: Adjusting the final lens element; Step 3: Identifying the most convergent position of the optical system.

A microbolometer detector with adjustable spectral reactivity includes a reflective element between a suspended pixel body and a base section, a bimetallic arm, one end of which is connected to one end of the reflective element and the other end to the base section via the electrode connection, the temperature of which is increased by passing current, and changes the height of the reflective element by expanding with the increase in temperature.

A three-dimensional displacement compensation method is provided. The method includes an obtaining step, a transforming step, a first determining step, a first calculating step and a compensating step. The obtaining step includes obtaining a current image of a measured element captured by a microscopic thermoreflectance thermography device. The transforming step includes two sub-steps. One sub-step uses Fourier transform to calculate a reference image to obtain a first result, and the other sub-step uses Fourier transform to calculate the current image to obtain a second result. The first determining step includes determining a peak point coordinate and a fitting diameter of a point spread function of an optical system of the device. The first calculating step includes calculating a three-dimensional displacement of the position to be compensated relative to the reference position. The compensating step compensates the position to be compensated.