Compact high-resolution spectral phase shaper


Postma, S. and Walle, P. van der and Offerhaus, H.L. and Hulst, N.F. van (2005) Compact high-resolution spectral phase shaper. Review of Scientific Instruments, 76 (123105). pp. 1-4. ISSN 0034-6748

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Abstract:The design and operation of a high-resolution spectral phase shaper with a footprint of only 7×10 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
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Copyright:© 2005 American Institute of Physics
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