High performance, far‐infrared bolometer working directly in a helium bath

This paper describes the mounting of a high performance, far‐infrared, three‐part bolometer designed to permit its use directly in a helium bath. It can be matched with low loss to any optical system or to a waveguide. Optimal performance and constant characteristics have been obtained; D (at 4 K an...

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Bibliographic Details
Published in:Review of scientific instruments 1975-04, Vol.46 (4), p.492-494
Main Authors: Coron, N., Dambier, G., Leblanc, J., Moalic, J‐P.
Format: Article
Language:English
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Summary:This paper describes the mounting of a high performance, far‐infrared, three‐part bolometer designed to permit its use directly in a helium bath. It can be matched with low loss to any optical system or to a waveguide. Optimal performance and constant characteristics have been obtained; D (at 4 K and 20 Hz) = 1.4×1012 W−1⋅cm⋅Hz(1/2) and more than 30 cooling cycles have been made without the seals leaking.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1134215