Stimulated emission apparatus

Details Stimulated emission apparatus Stimulated emission apparatus

H - Electricity

01

S

358/24, 345/38

H01S 3/09 (2006.01) H01S 3/22 (2006.01) H01S 3/227 (2006.01)

Patent

CA 1225731

- 16 - ABSTRACT STIMULATED EMISSION APPARATUS Described is a high gain, soft x-ray pumped, inner-shell, photoionization amplifier/laser in Cd or Zn vapors (28). The soft x-rays (40), generated by a laser-produced plasma or other high intensity x-ray source, preferentially remove inner-shell d-electrons from neutral atoms leaving them ionized in a 2D state and producing a population inversion with respect to a lower lying 2p state. Also described are techniques for achieving inversions with respect to the ion ground state of Cd, Zn or Hg by optically pumping from the inner-shell ionized state to a higher energy level. Iso-electronic scaling of Cd, Zn and Hg suggests similar lasing phenomena exist, for example, in Ga, In and Tl ions, respectively, and also higher iso-electronic sequences.

463892

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