Carrier-envelope phase shift caused by grating-based stretchers and compressors

Simple analysis indicates that when the distance between gratings in optical stretchers and compressors varies by one half of the grating constant due to mechanical vibration or thermal motion, the change of the carrier-envelope phase is of the order of 2pi rad. To suppress the phase noise, one feed...

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Bibliographic Details
Published in:Applied optics (2004) 2006-11, Vol.45 (32), p.8350-8353
Main Author: Chang, Zenghu
Format: Article
Language:English
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Summary:Simple analysis indicates that when the distance between gratings in optical stretchers and compressors varies by one half of the grating constant due to mechanical vibration or thermal motion, the change of the carrier-envelope phase is of the order of 2pi rad. To suppress the phase noise, one feedback loop is needed to stabilize the compressor while two loops are required for the stretcher. When the phase drift is measured with an f-to-2f interferometer, either the stretcher or the compressor can be feedback controlled to stabilize the carrier-envelope phase of the pulses from a chirped pulse amplifier.
ISSN:1559-128X
DOI:10.1364/ao.45.008350