TITLE

# Compact high-resolution spectral phase shaper

AUTHOR(S)
Postma, S.; van der Walle, P.; Offerhaus, H. L.; van Hulst, N. F.
PUB. DATE
December 2005
SOURCE
Review of Scientific Instruments;Dec2005, Vol. 76 Issue 12, p123105
SOURCE TYPE
DOC. TYPE
Article
ABSTRACT
The design and operation of a high-resolution spectral phase shaper with a footprint of only 7Ã—10 cm2 is presented. The liquid-crystal modulator has 4096 elements. More than 600 independent degrees of freedom can be positioned with a relative accuracy of 1 pixel. The spectral shaping of pulses from a broadband Ti:sapphire laser is verified by a hybrid cross-frequency-resolved optical gating/Grenouille measurement and intensity autocorrelation. We demonstrate the ability to split one pulse into two or more pulses with a programmable delay of more than 8.5 ps. To our knowledge this represents the most compact high resolution device in liquid-crystal modulator-based shaping to this date.
ACCESSION #
19421308

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