Method and apparatus for transmitting light
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United States of America Patent
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-
May 23, 1989
Grant Date -
N/A
app pub date -
Jun 4, 1986
filing date -
Jun 17, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light transmission apparatus in which light from a laser may be transmitted through an optical conducter. Dry air may also be pumped through the optic conducter to remove matter from the vicinity of the light emitting end. A cover which is formed of a shape memory alloy is provided at the light emitting end of the conductor to open at a high temperature in response to incident light and close at a low temperature when the light stops.
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