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Frequency stabilization of Nd: YVO4 mini-laser using the third-harmonic detection

Authors:	Yanghui Liu Xiaoyong Li Zhiyi Bi Longsheng Ma

Institution:	(1) Department of Physics, Key Laboratory for Optics and Magnetic Resonance Spectroscopy, East China Normal University, 200062 Shanghai, China

Abstract:	Via saturated absorption spectroscopy and the third-harmonic detection technique, the hyperfine spectra of ¹²⁷I₂ near 532 nm have been observed within the tuning range of a mini Nd: YVO₄-KTP laser. The laser is frequency stabilized against one hyperfine structure (hfs) component of ¹²⁷I₂. The analysis of error signal shows that it is possible to realize a frequency stability of 3.0 × 10⁻¹³ at 1 s average time.

Keywords:	Nd:YVO₄-KTP laser laser frequency stabilization 3rd-harmonic detection saturated absorption
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