NASA NTRS · 19700000489
Laser wavelength selector and output coupler
Abstract
Optical system eliminates displacement occurring when wavelengths are selected in multiple wavelength laser utilizing intracavity wavelength selection by first-order Littrow reflection of plane grating. Output coupling varies direction of output beam as different wavelengths are selected by grating rotation.
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Hard, T. M.. 1970-12-01. Laser wavelength selector and output coupler. https://ntrs.nasa.gov/citations/19700000489
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