Possibility of soft x-ray lasers without inversion

Peter L. Hagelstein

doi:10.1117/12.293382

1 November 1997 Possibility of soft x-ray lasers without inversion

Peter L. Hagelstein

Proceedings Volume 3156, Soft X-Ray Lasers and Applications II; (1997) https://doi.org/10.1117/12.293382
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Basic concepts involved in inversionless laser schemes are reviewed. We focus on the V scheme recently proposed by the Stanford group, which uses AC Stark coupling to develop overlapping spectral lines that show an interference minimum in absorption and a maximum in emission at line center. The He-like C 1s(superscript 2/ - 1s2p transition is examined as a possible candidate for developing an absorption minimum; Doppler broadening effects are found to be severe. The situation is improved with the choice of heavier ions and stronger resonance lines in closed shell sequences. New short wavelength laser schemes in these systems are proposed.

Citation Download Citation

Peter L. Hagelstein "Possibility of soft x-ray lasers without inversion", Proc. SPIE 3156, Soft X-Ray Lasers and Applications II, (1 November 1997); https://doi.org/10.1117/12.293382

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