Pulse transmission or reflection mode laser
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United States of America Patent
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-
Oct 8, 1985
Grant Date -
N/A
app pub date -
Dec 21, 1983
filing date -
Apr 23, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A Q-switched laser in which the laser cavity contains on one side of the laser rod (1) a mirror (2) and on the other side of the laser rod (1) in sequence a polarizer (4) and an electro-optical cell (5) and first fold-back reflector means (3) to fold-back the beam to a second reflector (6) arranged to direct the beam back to the polarizer (4) to form a loop around the electro-optical cell (5). The mirror (2) is a partial reflector to allow output from the laser rod (1) through the mirror in pulse reflection mode or is a total reflector to allow output from the polarizer (4) in pulse transmission mode.
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