Arrangement for the wavelength-selective internal intensity modu

Details Arrangement for the wavelength-selective internal intensity modu Arrangement for the wavelength-selective internal intensity modu

1986-11-26

1989-07-04

Sikes, William L.

Coherent light generators

Particular beam control device

Q-switch

372 92, 372 98, 372 99, 372100, H01S 311

Patent

active

048457167

ABSTRACT:
An arrangement for the wavelength-selective internal intensity modulation and radiation pulse generation of high power CO.sub.2 lasers, in a high-power CO.sub.2 laser is forced to operate in the resonator at a freely selectable but fixed wavelength by means of a frequency-selective element and highly angle-selective gas discharge tubes. The possibility of rapidly Q-switching is provided by a special interferometer arrangement of variable reflectivity, functioning as an uncoupling element. The arrangement may furthermore be used for the rapid stabilization of the laser power.

REFERENCES:
patent: 3803509 (1974-04-01), Steffen
patent: 4461005 (1984-07-01), Ward et al.
IEEE Journal of Quantum Electronics, vol. QE-2, No. 8, Aug. 1966, pp. 243-245.
IEEE Journal of Quantum Electronics, vol. QE-2, No. 9, pp. 378-381.
Applied Physics Letters, vol. 11, No. 3, Aug. 1967, pp. 88-89.

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