The operation of an optical communication link employing a Mach-Zehnder interferometer fabricated from has been demonstrated in a cryogenic environment. Using simulated analog signals from a cryogenic IR focal plane array, the optical transfer of low level electrical signals between areas of temperature extremes has been demonstrated. The bandwidth, signal to noise, and dynamic range for the link was measured and a relationship for the transfer gain developed. Packaging considerations for long term reliable operation at cryogenic temperatures is addressed.
IR FPA optical interface technology
Optische Schnittstellentechnik im Infrarotbereich mit Focal Plane Arrays
1994
12 Seiten, 8 Bilder
Conference paper
English
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