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Conferences > CLEO > 2010 > CMHH > CMHH3

High Precision Calibration of Spectrographs in Astronomy

T. Wilken, T.W. Hänsch, Th. Udem, T. Steinmetz, R. Holzwarth, A. Manescau, G. Lo Curto, L. Pasquini, and C. Lovis

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Abstract

An Yb-fiber frequency comb was developed and employed to calibrate an astronomical spectrograph. The repeatability was photon noise limited at 300kHz. Absolute accuracy was improved by a factor of 20 compared to traditional calibration sources.

© 2010 Optical Society of America

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