Abstract
A far-infrared bolometer detector using p-type thallium selenide (TlSe) single crystal as the temperature-sensitive element has been operated at 1.5 K with a noise-equivalent power (NEP) of 8.3 × 10−15 W/Hz1/2 and a response time constant of 8 × 10−3 s. The bolometer could be made faster without increasing NEP by reducing the thickness of the element.
© 1975 Optical Society of America
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