Journal
OPTICS LETTERS
Volume 46, Issue 13, Pages 3199-3202Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.427615
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Funding
- ARC Centre of Excellence for Gravitational Wave Discovery [CE170100004]
- Australian Government Research Training Program (RTP) Scholarship
- Australian Government Australian Space Research Programme
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This paper presents the first demonstration of high performance tilt locking, a method of stabilizing laser frequency to an optical reference cavity using a spatial-mode readout technique. The experiment achieved promising performance in the 100 mu Hz-1 Hz band, surpassing the requirements of the GRACE Follow-On laser ranging interferometer. Tilt locking offers benefits such as high sensitivity, low cost, and simple implementation for future applications requiring high performance laser locking.
This paper describes, to our knowledge, the first demonstration of high performance tilt locking, a method of stabilizing laser frequency to an optical reference cavity using a spatial-modereadout technique. The experiment utilized a traveling wave cavity with a finesse of approximately 10,000, housed in a thermally controlled vacuum chamber. The tilt locking method in a double pass configuration has promising performance in the 100 mu Hz-1 Hz band, including surpassing the Gravity Recovery and Climate Experiment (GRACE) Follow-On laser ranging interferometer requirement. Tilt locking offers a number of benefits such as high sensitivity, low cost, and simple implementation and therefore should be considered for future applications requiring high performance laser locking, such as future laser-based satellite geodesy missions and the Laser Interferometer Space Antenna. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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