Coherent light generators – Raman laser
Patent
1982-09-09
1983-08-16
Sikes, William L.
Coherent light generators
Raman laser
372 70, 372 56, H01S 330
Patent
active
043995390
ABSTRACT:
An auto-ionization pumped anti-Stokes Raman laser is disclosed which is capable of creating a population inversion between the ground state and a metastable state of an ionic lasing material. The lasing material is first pumped above a metastable energy level, where it subsequently falls via auto-ionization back to the metastable level. A second laser pump is employed to move the population from the metastable state to a region near an intermediate state of the lasing material. The population subsequently falls back to the initial ground ionic state, thereby creating the anti-Stokes Raman emission.
REFERENCES:
patent: 4183795 (1980-01-01), Bloom et al.
"Observation of Stimulated Anti-Stokes Raman Scattering in Inverted Atomic Iodine", by Carman et al., Phys. Rev. Lett., vol. 33, No. 4, Jul. 22, 1974.
um-Ion Soft X-Ray Laser" Mani et al., Jour. Appl. Physic vol. 47, No. 7, Jul. 1976.
"Inversion of the Resonance Line of Sr.sup.+ Produced by Optically Pumping Sr Atoms" Green et al., Physical Rev. A, vol. 25, No. 2, Feb. 1982.
"Autoionization Pumped Laser", Bokor et al., Phys. Rev. Lett. vol. 48, No. 18, 4/82.
"The Photo Avalanche, A new phenomenon in Pr.sup.3+ -based infared quantum counters", Chivian et al., Appl. Phys. Lett. (35)(2) Jul. 79.
Bell Telephone Laboratories Incorporated
Jr. Leon Scott
Pfeifle Erwin W.
Sikes William L.
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