Semiconductor laser tracking frequency distance gauge

Semiconductor laser tracking frequency distance gauge

Space-based astronomical instruments and gravitational experiments require dramatically improved distance measurement accuracy. The tracking frequency laser distance gauge measures to picometer accuracy. We discuss the design of the semiconductor laser version and its controller.

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Bibliographische Detailangaben
Hauptverfasser: Phillips, J.D., Huffman, G.M., Reasenberg, R.D.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bandwidth
Extraterrestrial measurements
Frequency measurement
Instruments
Laser feedback
Laser tuning
Optical control
Phase measurement
Semiconductor lasers
Servomechanisms
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Beschreibung
Zusammenfassung:Space-based astronomical instruments and gravitational experiments require dramatically improved distance measurement accuracy. The tracking frequency laser distance gauge measures to picometer accuracy. We discuss the design of the semiconductor laser version and its controller.
ISSN:2160-9004
DOI:10.1364/CLEO.2009.CTuS7