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A simple technique to achieve active cavity-length stabilisation in a synchronously pumped optical parametric oscillator

By S.D. Butterworth, S. Girard and D.C. Hanna


The dependence of oscillation wavelength on cavity length in a synchronously pumped optical parametric oscillator provides the basis of a scheme for stabilisation of the cavity length and wavelength. The design and performance of a simple implementation of this scheme via the use of a position-sensitive detector is reported for a lithium triborate optical parametric oscillator. The stabilisation scheme has proved effective over the entire tuning range of the oscillator (0.65 - 2.65µm), giving stability against fluctuations up to 200 Hz, with greatly improved amplitude stability, and allowing smooth wavelength tuning over a signal range of ~5nm

Topics: QC, TK
Year: 1996
OAI identifier: oai:eprints.soton.ac.uk:78382
Provided by: e-Prints Soton

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