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Semiconductor Laser Tracking Frequency Distance GaugeAdvanced astronomical missions with greatly enhanced resolution and physics missions of unprecedented accuracy will require a spaceworthy laser distance gauge of substantially improved performance. The Tracking Frequency Gauge (TFG) uses a single beam, locking a laser to the measurement interferometer. We have demonstrated this technique with pm (10(exp -12) m) performance. We report on the version we are now developing based on space-qualifiable, fiber-coupled distributed-feedback semiconductor lasers.
Document ID
20130009936
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1117/12.843602
Authors
Phillips, James D. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Reasenberg, Robert D. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Date Acquired
August 27, 2013
Publication Date
August 25, 2009
Publication Information
Publication: Proceedings of SPIE. UV/Optical/IR Space Telescopes: Innovative Technologies and Concepts IV
Volume: 7436
Subject Category
Lasers And Masers
Funding Number(s)
CONTRACT_GRANT: NNX08AO04G
CONTRACT_GRANT: NNX07AI11G
Distribution Limits
Public
Copyright
Other

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