Field-induced gain in homonuclear diatomic molecules

Field-induced gain in homonuclear diatomic molecules

This paper explores the possibility of inducing useful gain on the variation-rotation bands of homonuclear diatomic molecules by immersion in an electric field. General expressions are set up and two cases in particular are examined, both enhanced by motional line narrowing. A partial inversion in t...

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Veröffentlicht in:Journal of physics. B, Atomic and molecular physics Atomic and molecular physics, 1984-02, Vol.17 (3), p.473-481
1. Verfasser: Willetts, D V
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Sprache:eng
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Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physics
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container_title Journal of physics. B, Atomic and molecular physics
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creator Willetts, D V
description This paper explores the possibility of inducing useful gain on the variation-rotation bands of homonuclear diatomic molecules by immersion in an electric field. General expressions are set up and two cases in particular are examined, both enhanced by motional line narrowing. A partial inversion in the gas phase favors the O branch of light molecules and the gain at breakdown scales as the square of density; for hydrogen approximately 1 percent/cm should arise at 30 Amagat. Cryogenic liquids require a complete inversion and are predicted to have strong polarised Q-branch gain. Comparison with collision-induced data reveals that the field-induced effect is much stronger.
doi_str_mv 10.1088/0022-3700/17/3/016
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subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physics
title Field-induced gain in homonuclear diatomic molecules
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