Suppression of Intensity Noise of LD-Pumped Single-Frequency RingNd:YVO4 Lasers by Opto-Electronic Feedback

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 21 >Issue 9 >Page 1031 > Article

Acta Optica Sinica
Vol. 21, Issue 9, 1031 (2001)

Suppression of Intensity Noise of LD-Pumped Single-Frequency RingNd:YVO4 Lasers by Opto-Electronic Feedback

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]

Author Affiliations

[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Suppression of Intensity Noise of LD-Pumped Single-Frequency RingNd:YVO4 Lasers by Opto-Electronic Feedback[J]. Acta Optica Sinica, 2001, 21(9): 1031 Copy Citation Text

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Abstract

The characteristic of the intensity noise of LD pumped single frequency ring Nd∶YVO 4 lasers is theoretically and experimentally investigated. The resonant relaxation oscillation (RRO) in the noise spectrum of laser output is strongly suppressed by a self designed negatively opto electronic feedback system. The intensity noise around the peak of RRO (300 kHz) is reduced about 25 dB.

Keywords

intensity noise negative feedback ring single frequency laser