Laser for providing rapid sequence of different wavelengths
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United States of America Patent
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Jun 14, 1988
Grant Date -
N/A
app pub date -
Dec 31, 1986
filing date -
Dec 31, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The optical cavity of the present laser has a folded optical path with a pair of reflective diffraction gratings and a gain cell in it. A disk with radially distributed perforations rotates in the optical path between the gratings and the gain cell. The laser wavelength depends upon which perforation is aligned with the slot in a slotted plate also in the optical path. The laser output consists of a sequence of different wavelength but colinear rays.
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