Three-longitudinal-mode He-Ne laser frequency stabilized at 633 nm by thermal phase locking of the secondary beat frequency

Jin Yong Yeom, Tai Hyun Yoon

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We present a simple scheme for thermal frequency stabilization of a three-longitudinal-mode He-Ne laser at 633 nm with improved short-term (5 × 10-11 at 1-s average time) and long-term (124-kHz standard deviation for 10 h) frequency stability. A stabilized output power of 3 mW was readily obtained from the central mode by polarization-mode selection. The optical frequency of the central mode could be precisely tuned by an external frequency reference over 160 MHz with high precision or could be optically phase locked to a reference laser by use of a thermal frequency-stabilization circuit and an external acousto-optic modulator. The laser will be useful in various applications for which a laser source with high power and frequency stability is necessary.

Original languageEnglish
Pages (from-to)266-270
Number of pages5
JournalApplied Optics
Volume44
Issue number2
DOIs
Publication statusPublished - 2005 Jan 10
Externally publishedYes

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beat frequencies
locking
frequency stability
lasers
stabilization
acousto-optics
modulators
standard deviation
output
polarization

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Three-longitudinal-mode He-Ne laser frequency stabilized at 633 nm by thermal phase locking of the secondary beat frequency. / Yeom, Jin Yong; Yoon, Tai Hyun.

In: Applied Optics, Vol. 44, No. 2, 10.01.2005, p. 266-270.

Research output: Contribution to journalArticle

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