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http://dx.doi.org/10.3807/KJOP.2004.15.4.337

Power stabilization of a slab CO2 laser by using the Opto-Hertzian effect  

최종운 (호남대학교, 정보통신공학부)
우삼용 (한국표준과학연구원, 물리표준)
김규식 (목원대학교, 전자공학)
이영우 (목원대학교, 전자공학과)
Publication Information
Korean Journal of Optics and Photonics / v.15, no.4, 2004 , pp. 337-342 More about this Journal
Abstract
Laser optical power stabilization of a radio frequency excited $CO_2$ slab laser using the opto-Hertzian effect generated from the laser itself is achieved on the peak of the Doppler broadened gain curve. The opto-Hertzian signal was generated by a modulation of the optical flux circulating inside the laser cavity from a variation in the cavity length caused by the vibrations of the PZT. The opto-Hertzian signal is directly coupled from a RE discharge chamber via a loop antenna into a detector and applied to a lock-in stabilizer as an reference signal. The power stability of an RF excited slab laser is estimated to be better then 0.2%.
Keywords
slab waveguide; RF excited; $CO_2$ laser; unstable resonator; Opto-Hertzian;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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