A tunable laser system for the wavelength calibration of astronomical spectrographs

Precise wavelength calibration of the multi-object echelle spectrographs used in searches for extrasolar planets is an unsolved problem in astrophysical instrumentation. We present results from a novel tunable laser calibration system that achieves unprecedented precision.

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Bibliographic Details
Main Authors: Cramer, C.E., Brown, S., Caldwell, N., Dupree, A.K., Korzennik, S.G., Lykke, K.R., Szentgyorgyi, A.
Format: Conference Proceeding
Language:English
Subjects:
Calibration
Charge coupled devices
Fiber lasers
Filters
Lamps
Laser noise
Laser tuning
Pump lasers
Ring lasers
Tunable circuits and devices
Online Access:Request full text
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Description
Summary:Precise wavelength calibration of the multi-object echelle spectrographs used in searches for extrasolar planets is an unsolved problem in astrophysical instrumentation. We present results from a novel tunable laser calibration system that achieves unprecedented precision.
ISSN:2160-9004
DOI:10.1364/CLEO.2009.JThE85