Method for forming copious (F.sub.2.sup.+).sub.A centers in cert

Details Method for forming copious (F.sub.2.sup.+).sub.A centers in cert Method for forming copious (F.sub.2.sup.+).sub.A centers in cert

1987-03-18

1989-11-14

Lee, John D.

Coherent light generators

Particular active media

Insulating crystal

H01S 316

Patent

active

048812340

ABSTRACT:
(F.sub.2.sup.+).sub.A color centers can be produced in additively-colored KI:Li or RbI:Li crystals provided that the material is colored in a nitrogen-free atmosphere. Copious (F.sub.2.sup.+).sub.A centers are produced in lithium-doped KI:Li or RbI:Li crystals using a procedure in which the crystals are grown, additively colored, and annealed in an argon ambient; and optically excited at successively-lower temperatures with a light of a wavelength readily absorbed by the crystal situated in a vacuum.

REFERENCES:
patent: 3970960 (1976-07-01), Mollenauer
patent: 4301426 (1981-11-01), Schneider
patent: 4490016 (1984-12-01), Schneider et al.
patent: 4519082 (1985-05-01), Schneider
Schneider "Lithium-(F.sub.2.sup.+).sub.A Centers in Alkali-Halide Crystal Optics Letters, Vol. 6, No. 3, pp. 157-158, Mar., 1981.
Schneider et al., "Broadly Tunable Laser Action Beyond 3 .mu.m from (F.sub.2 +).sub.A Centers in Lithium-Doped KI", Optics Letters, Vol. 6, No. 12, pp. 627-628, Dec., 1981.
Foster et al., "(F.sub.2 +).sub.A Centers in Additively Colored Lithium-Doped Kl and KBr", Optics Letters, Vol. 11, No. 4, pp. 213-215, Apr., 1986.
I. Schneider et al., "Continuous-Wave Laser Action of (F.sub.2 +).sub.A Centers in Sodium-Doped KCl Crystals", reprinted from Optics Letters, Vol. 4, pp. 390-392, Dec., 1979.
Schneider et al., "Tunable, Continuous-Wave Laser Action Using (F.sub.2 +).sub.A Centers in Lithium-Doped KCl", Optical Letters, Vol. 5, No. 6, pp. 214-215, Jun., 1980.

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