A lens allows infrared light to pass therethrough. An infrared sensor includes infrared detection elements arranged in two or more columns. The infrared sensor is rotated around a scan rotation axis that passes through part of the lens to scan a detection range, and outputs an output signal indicating a thermal image of the detection range. At least two infrared detection elements in the infrared sensor are located at positions displaced from each other with respect to the scan rotation axis. Among the infrared detection elements, the number of first infrared detection elements having a smaller half-width of a point spread function in a scan direction than that in the direction of the scan rotation axis is larger than the number of second infrared detection elements having a larger half-width of a point spread function in the scan direction than that in the direction of the scan rotation axis.

A lens allows infrared light to pass therethrough. An infrared sensor includes infrared detection elements arranged in two or more columns. The infrared sensor is rotated around a scan rotation axis that passes through part of the lens to scan a detection range, and outputs an output signal indicating a thermal image of the detection range. At least two infrared detection elements in the infrared sensor are located at positions displaced from each other with respect to the scan rotation axis. Among the infrared detection elements, the number of first infrared detection elements having a smaller half-width of a point spread function in a scan direction than that in the direction of the scan rotation axis is larger than the number of second infrared detection elements having a larger half-width of a point spread function in the scan direction than that in the direction of the scan rotation axis.

A surgical microscope system includes an infrared thermocamera that directly obtains temperature data on an illuminating spot. If the obtained temperature data indicates a higher temperature than a temperature represented by reference temperature data, an alarm unit generates an alarming sound to notify in advance a risk of overheating so that a counteraction such as stopping an illuminating beam can be taken to surely prevent the overheating of the illuminating spot.

A surgical microscope system includes an infrared thermocamera that directly obtains temperature data on an illuminating spot. If the obtained temperature data indicates a higher temperature than a temperature represented by reference temperature data, an alarm unit generates an alarming sound to notify in advance a risk of overheating so that a counteraction such as stopping an illuminating beam can be taken to surely prevent the overheating of the illuminating spot.

Described herein is a detector for detecting optical radiation, especially within the infrared spectral range, specifically with regard to sensing at least one of transmissivity, absorption, emission and reflectivity, being capable of avoiding or diminishing a cross detection between sensor areas, specifically between adjacent sensor areas, thus, avoiding or diminishing a deterioration of a measurement based on the at least one sensor signal.

The present invention relates to a method for generating a security identifier for a control unit (10) of a battery system (100), comprising the steps of supplying an operation voltage to the control unit (10), outputting calibration data from a non-volatile memory element (15a) of the control unit (10), and generating a security identifier from the calibration data using a security algorithm. Therein, the calibration data is based on at least one testing process performed on the control unit (10) and is required for a faultless operation of the control unit (10). Further, according to a method for generating an activation key for a control unit (10) of a battery system (100) an activation key is generated based on such security identifier and output from the control unit (10). The invention further relates to an activation method for such control unit (10), wherein a control unit (10) is activated in response to the validation of such security identifier. The present invention further relates to a control unit (10) for performing such methods and further relates to the use of calibration data for generating a security identifier.

A thermal imaging device is provided, comprising: a detector for receiving radiation and outputting a detector signal corresponding thereto; a steerable mirror device arranged in relation to the detector; wherein the steerable mirror device is steerable to scan an entrance pupil over a plurality of locations such that the detector outputs respective detector signals indicative of temperatures of respective portions of the object corresponding to the locations of the entrance pupil, and wherein the thermal imaging device is configured to provide a substantially constant etendue for all of the entrance pupil locations of the plurality of entrance pupil locations.

A thermal imaging device is provided, comprising: a detector for receiving radiation and outputting a detector signal corresponding thereto; a steerable mirror device arranged in relation to the detector; wherein the steerable mirror device is steerable to scan an entrance pupil over a plurality of locations such that the detector outputs respective detector signals indicative of temperatures of respective portions of the object corresponding to the locations of the entrance pupil, and wherein the thermal imaging device is configured to provide a substantially constant etendue for all of the entrance pupil locations of the plurality of entrance pupil locations.

A solid-state device for photo detection, in general, of terahertz radiation is disclosed. One aspect is a detector device comprising a body having a photoconductive material, a first antenna element connected to a first portion of the body, and a second antenna element connected to a second portion of the body. The first antenna element and the second antenna element are arranged to induce an electric field in the body in response to an incident signal. Further, the device has a waveguide arranged to couple light into the photoconductive material via a coupling interface between the waveguide and the body, where the coupling interface faces away from the first portion and the second portion of the body and is closer to the first portion than to the second portion.

An infrared temperature measurement method and device, first magnifying an acquired original infrared image according to a predefined magnification factor to obtain a second original infrared image, dividing each original pixel in the second original infrared image to obtain pixel groups comprising multiple pixels; then setting a pixel at a predefined location in each pixel group as a reference pixel; setting the temperatures of the reference pixels as the temperatures of the original pixels corresponding to the reference pixels; next acquiring temperatures of a plurality of target pixels based on the temperatures of the reference pixels; the target pixel is one pixel in the pixel groups; finally acquiring the temperature of the predefined temperature detection point according to the temperatures of the multiple target pixels; the temperature detection point corresponds to the multiple target pixels.