Hermetic optical attenuator

Details Hermetic optical attenuator Hermetic optical attenuator

G - Physics

02

B

88/97

G02B 5/00 (2006.01) G02B 6/26 (2006.01) G02B 6/42 (2006.01) G02B 6/44 (2006.01) G02B 26/02 (2006.01)

Patent

CA 1134654

HERMETIC OPTICAL ATTENUATOR Abstract of the Disclosure A passive fiber optic device and optical fiber connected to it are packaged in a solid block of a bismuth containing fusible alloy. The alloy exhibits appreciable expansion on solidification, negligible dimensional change after solidification, and a low thermal expansion coefficient. Coupled with its low melting point and glass wetting ability, the alloy is uniquely adapted for forming a hermetic seal with glass. By molding as a solid block, the packaging operation is rendered simple and rapid. - i -

370263

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