Intensity and frequency noise reduction of a Nd:YAG NPRO via pump light stabilisation

We have shown that pump light intensity stabilisation of a single-mode laser diode pumped Nd:YAG non-planar ring oscillator (NPRO) results in significant intensity noise reduction of the NPRO, as well as frequency noise suppression in the same order of magnitude. This effect does not occur in conven...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2006-10, Vol.85 (1), p.79-84
Main Authors: HEURS, M, MEIER, T, QUETSCHKE, V. M, WILLKE, B, FREITAG, I, DANZMANN, K
Format: Article
Language:English
Subjects:
Arrays
Diode-pumped lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser diodes
Lasers
Light (visible radiation)
Noise
Noise reduction
Optics
Oscillators
Physics
Pumps
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Summary:We have shown that pump light intensity stabilisation of a single-mode laser diode pumped Nd:YAG non-planar ring oscillator (NPRO) results in significant intensity noise reduction of the NPRO, as well as frequency noise suppression in the same order of magnitude. This effect does not occur in conventional laser diode array pumped NPROs due to mode beating effects originating in the multi-mode pump. As opposed to individual intensity and frequency stabilisation, pump light stabilisation contributes a simplified stabilisation scheme for single-mode laser diode pumped NPROs for high precision applications.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-006-2381-0