Optical and thermophysical parameters measurement using sandwich photodetectors

Valery I. Turinov

doi:10.1117/12.166373

31 December 1993 Optical and thermophysical parameters measurement using sandwich photodetectors

Valery I. Turinov

Proceedings Volume 2161, CIS Selected Papers: Photometry; (1993) https://doi.org/10.1117/12.166373
Event: Photometry: Selected Papers from the 8th and 9th CIS Conferences, 1992, Moscow, Russian Federation

Abstract

A method is reported for estimating thermophysical and optical parameters, in which a two- spectral band sandwich photodetector is used. The sensitivity ranges of such a sensor are 2 - 5 micrometers and 8 - 14 micrometers . On irradiating an object's surface by a short radiation pulse the photodetector collected signals U₁, U₂ and the rates of their changes (dU₁/dt), (dU₂/dt) are recorded. These pertain to the same area on the object's surface and belong to the two spectral ranges mentioned. The parameters of the object are evaluated by means of calculations with the values measured.

Citation Download Citation

Valery I. Turinov "Optical and thermophysical parameters measurement using sandwich photodetectors", Proc. SPIE 2161, CIS Selected Papers: Photometry, (31 December 1993); https://doi.org/10.1117/12.166373

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