Self-heterodyne mixing method of two inter-mode beat frequencies for frequency stabilization of a three-mode He-Ne laser
- Authors
- Lee, Jeongmin; Yoon, Tai Hyun
- Issue Date
- 6월-2012
- Publisher
- AMER INST PHYSICS
- Citation
- AIP ADVANCES, v.2, no.2
- Indexed
- SCIE
SCOPUS
- Journal Title
- AIP ADVANCES
- Volume
- 2
- Number
- 2
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/108319
- DOI
- 10.1063/1.4733344
- ISSN
- 2158-3226
- Abstract
- We present a robust self-heterodyne mixing method of two inter-mode beat frequencies suitable for frequency stabilization of a three longitudinal-mode (3-mode) He-Ne laser at 633 nm. A high-contrast frequency discrimination signal with a broad locking range of 244 MHz is obtained by using a self-heterodyned double balanced mixer operating at the inter-mode beat frequency of 607 MHz. We show that the central-mode frequency of the 3-mode He-Ne laser could be stabilized to the center of the gain profile with a frequency fluctuation less than +/- 5 MHz for more than 12 h. Copyright 2012 Author(s). This article is distributed under a Creative Commons Attribution 3.0 Unported License. [http://dx.doi.org/10.1063/1.4733344]
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Collections - College of Science > Department of Physics > 1. Journal Articles
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