Waveguide gas laser with wavelength selective guide

Details Waveguide gas laser with wavelength selective guide Waveguide gas laser with wavelength selective guide

1975-03-14

1976-06-01

Sikes, William L.

Oscillators

Molecular or particle resonant type

350 96WG, H01S 303

Patent

active

039612830

ABSTRACT:
A waveguide gas laser is disclosed wherein narrow resonances in the loss vs. wavelength characteristics of a hollow waveguide laser resonator are employed to achieve wavelength selectivity. The laser includes a capillary bore waveguide of radius a and length 2L (or length L in a half-symmetric arrangement) which contains a laser gas having a laser transition capable of providing stimulated emission of light at wavelength .lambda.. The aforementioned loss resonances are achieved when the waveguide dimensions and the wavelength .lambda. are of preselected values satisfying the relation ##EQU1## where N is a positive integer.

REFERENCES:
smith, A Waveguide Gas Laser, Appl. Phys. Lett., Vol. 19, No. 5, (Sept. 1, 1971), pp. 132-134.

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