27 June 1996 Performance of new handheld IR camera using uncooled bolometer FPA
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A camera using an uncooled infrared image sensor has been developed. This image sensor is a bolometer focal plane array (FPA), of which the readout circuit is designed to minimize the temperature drift or the pattern noise caused by the changes of the ambient temperature. The circuit has a bolometer for the load resistor, which has the same temperature coefficient of resistance as that of the pixel bolometer. Therefore the signal change induced by the temperature change of the FPA substrate is reduced because the resistance change of the load bolometer compensates for that of the pixel bolometer. The effectiveness of the drift- compensating circuit has been confirmed with a prototype handheld camera.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Takanori Sone, Takanori Sone, Norio Ohkawa, Norio Ohkawa, Yasuo Kawashima, Yasuo Kawashima, Yasuji Matsui, Yasuji Matsui, Yosuke Sugiura, Yosuke Sugiura, Tomiharu Araki, Tomiharu Araki, Makoto Kamozawa, Makoto Kamozawa, Masashi Ueno, Masashi Ueno, Osamu Kaneda, Osamu Kaneda, Tomohiro Ishikawa, Tomohiro Ishikawa, Hisatoshi Hata, Hisatoshi Hata, Kazuo Hashima, Kazuo Hashima, Yoshiyuki Nakagi, Yoshiyuki Nakagi, Akira Yamada, Akira Yamada, Masafumi Kimata, Masafumi Kimata, } "Performance of new handheld IR camera using uncooled bolometer FPA", Proc. SPIE 2744, Infrared Technology and Applications XXII, (27 June 1996); doi: 10.1117/12.243510; https://doi.org/10.1117/12.243510

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