TITLE

Polarization switching in a strip grating coupled optically pumped submillimeter laser

AUTHOR(S)
Whitbourn, L. B.; Macfarlane, J. C.; Falconer, I. S.; James, B. W.; Stimson, P. A.
PUB. DATE
April 1986
SOURCE
Applied Physics Letters;4/14/1986, Vol. 48 Issue 15, p957
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
It is shown that an optically pumped formic acid laser operating at 394 or 433 μm can lase on two sets of nondegenerate orthogonally polarized modes when a strip grating output coupler is used. The laser output polarization can be switched from parallel to perpendicular to the strips by a small cavity length change which is in accordance with calculated reflection phase changes of the grating for the two polarizations. For 30 W pump power ∼5 mW can be obtained at 394 μm in either polarization when the grating strips are oriented perpendicular to the pump polarization.
ACCESSION #
9819533

 

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