22 Dec 2006 Compact nitrogen cryostat to coold down to 77K This optical cryostat cools samples using liquid nitrogen from an integral nitrogen reservoir. It is designed for optical experiments that require:
Base temperatures down to 77K
Top loading, sample in exchange gas
A compact and low-cost cryostat
Quick sample change
Hold time greater than 15 hours at 77K
Generous optical access (f/1 radial) with 4 radial and 1 axial window
Integration into a spectrometer
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