Fast tuning of external-cavity diode lasers

We report on a method for characterizing the tuning capabilities of small-bandwidth external-cavity diode lasers. The step response of a piezo-driven Littman-Metcalf external-cavity diode laser and the compensation of its optoelectromechanical frequency response is investigated. When an approximatel...

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Bibliographic Details
Published in:Applied optics (2004) 2002-10, Vol.41 (30), p.6380-6384
Main Authors: Mahnke, Peter, Klingenberg, Hans H, Zirnig, Werner
Format: Article
Language:English
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Summary:We report on a method for characterizing the tuning capabilities of small-bandwidth external-cavity diode lasers. The step response of a piezo-driven Littman-Metcalf external-cavity diode laser and the compensation of its optoelectromechanical frequency response is investigated. When an approximately 50-V compensated Gaussian pulse is applied to the piezo element, a detuning of 13.6 GHz is observed. This modification of the laser is useful for several spectroscopical applications and as a tunable seed laser for lidar applications.
ISSN:1559-128X
DOI:10.1364/AO.41.006380