Wavelength selector for tunable laser

Details Wavelength selector for tunable laser Wavelength selector for tunable laser

1978-07-03

1980-10-21

Sikes, William L.

Oscillators

Molecular or particle resonant type

350162R, 350168, H01S 308

Patent

active

042297109

ABSTRACT:
A wavelength selector for use in a laser cavity comprising a diffraction grating mounted at an angle near grazing incidence with respect to the beam travelling away from the excited medium and a reflector which reflects the beam diffracted by the grating back along its incidence path. Wavelength tuning is accomplished by rorating this reflector, while the grating remains fixed. Rotation of the grating provides linewidth variation.

REFERENCES:
patent: 3684979 (1972-08-01), Myer et al.
patent: 3691477 (1972-09-01), Janney
Shosham et al., Narrowband Operation of a Pulsed Dye Laser Without _Intracavity Beam Expansion, J. Appl. Phys., vol. 48, No. 11, (Nov. 1977), pp. 4495-4497.
Brannen et al., Far-Infrared Laser Action Using Compound Grating _Fabry-Perot Resonators, IEEE J. Quant. Electr., (Feb. 1970), pp. 138-139.

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