Enhancement of short-pulse recombination-pumped gain by soft-x-ray photoionization of the ground state

J. P. Apruzese; D. Umstadter

doi:10.1364/JOSAB.13.000443

Enhancement of short-pulse recombination-pumped gain by soft-x-ray photoionization of the ground state

J. P. Apruzese, D. Umstadter

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The gain achieved in lasing to the ground state following short-pulse field ionization by a pump laser is highly transient. It will usually persist for only tens of picoseconds because of the rapid filling and negligible emptying of the ground state. Employing a detailed atomic model of lasing in hydrogen, we show that the removal of ground-state population by an appropriate broadband ionizing radiation field can enhance and prolong the gain in such a laser.

Original language	English (US)
Pages (from-to)	443-446
Number of pages	4
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	13
Issue number	2
DOIs	https://doi.org/10.1364/JOSAB.13.000443
State	Published - Feb 1996

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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abstract = "The gain achieved in lasing to the ground state following short-pulse field ionization by a pump laser is highly transient. It will usually persist for only tens of picoseconds because of the rapid filling and negligible emptying of the ground state. Employing a detailed atomic model of lasing in hydrogen, we show that the removal of ground-state population by an appropriate broadband ionizing radiation field can enhance and prolong the gain in such a laser.",

author = "Apruzese, {J. P.} and D. Umstadter",

year = "1996",

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AU - Umstadter, D.

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N2 - The gain achieved in lasing to the ground state following short-pulse field ionization by a pump laser is highly transient. It will usually persist for only tens of picoseconds because of the rapid filling and negligible emptying of the ground state. Employing a detailed atomic model of lasing in hydrogen, we show that the removal of ground-state population by an appropriate broadband ionizing radiation field can enhance and prolong the gain in such a laser.

AB - The gain achieved in lasing to the ground state following short-pulse field ionization by a pump laser is highly transient. It will usually persist for only tens of picoseconds because of the rapid filling and negligible emptying of the ground state. Employing a detailed atomic model of lasing in hydrogen, we show that the removal of ground-state population by an appropriate broadband ionizing radiation field can enhance and prolong the gain in such a laser.

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Enhancement of short-pulse recombination-pumped gain by soft-x-ray photoionization of the ground state

Abstract

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