High-frequency optogalvanic signals and co2-laser stabilization

S. Moffatt; A.L.S. Smith

doi:10.1016/0030-4018(81)90010-9

High-frequency optogalvanic signals and co2-laser stabilization

S. Moffatt, A.L.S. Smith

Physics

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

27 Citations (Scopus)

Abstract

The normal optogalvanic effect used in the stabilisation of CO2 lasers decreases in amplitude with increase in frequency and disappears at 2-3 kHz. We show that there is also a high frequency optogalvanic effect in CO2-N2-He-Xe laser gas mixtures up to 100 kHz, explain its origin and use it to frequency stabilise a laser with long term (hours) frequency drift of < 50 kHz and frequency re-settability of < 100 kHz.

Original language	English
Pages (from-to)	119-122
Number of pages	3
Journal	Optics Communications
Volume	37
Issue number	2
DOIs	https://doi.org/10.1016/0030-4018(81)90010-9
Publication status	Published - 15 Apr 1981

Keywords

optogalvanic signals
co2-laser stabilization

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10.1016/0030-4018(81)90010-9

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abstract = "The normal optogalvanic effect used in the stabilisation of CO2 lasers decreases in amplitude with increase in frequency and disappears at 2-3 kHz. We show that there is also a high frequency optogalvanic effect in CO2-N2-He-Xe laser gas mixtures up to 100 kHz, explain its origin and use it to frequency stabilise a laser with long term (hours) frequency drift of < 50 kHz and frequency re-settability of < 100 kHz.",

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AU - Smith, A.L.S.

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N2 - The normal optogalvanic effect used in the stabilisation of CO2 lasers decreases in amplitude with increase in frequency and disappears at 2-3 kHz. We show that there is also a high frequency optogalvanic effect in CO2-N2-He-Xe laser gas mixtures up to 100 kHz, explain its origin and use it to frequency stabilise a laser with long term (hours) frequency drift of < 50 kHz and frequency re-settability of < 100 kHz.

AB - The normal optogalvanic effect used in the stabilisation of CO2 lasers decreases in amplitude with increase in frequency and disappears at 2-3 kHz. We show that there is also a high frequency optogalvanic effect in CO2-N2-He-Xe laser gas mixtures up to 100 kHz, explain its origin and use it to frequency stabilise a laser with long term (hours) frequency drift of < 50 kHz and frequency re-settability of < 100 kHz.

KW - optogalvanic signals

KW - co2-laser stabilization

UR - http://dx.doi.org/10.1016/0030-4018(81)90010-9

U2 - 10.1016/0030-4018(81)90010-9

DO - 10.1016/0030-4018(81)90010-9

M3 - Article

SN - 0030-4018

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SP - 119

EP - 122

JO - Optics Communications

JF - Optics Communications

IS - 2

ER -

High-frequency optogalvanic signals and co2-laser stabilization

Abstract

Keywords

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