Journal
OPTICS LETTERS
Volume 37, Issue 7, Pages 1154-1156Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.001154
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- DFG [GR 1782/13-1]
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A highly flexible Shack-Hartmann wavefront sensor for ultrashort pulse diagnostics is presented. The temporal system performance is studied in detail. Reflective operation is enabled by programming tilt-tolerant microaxicons into a liquid-crystal-on-silicon spatial light modulator. Nearly undistorted pulse transfer is obtained by generating nondiffracting needle beams as subbeams. Reproducible wavefront analysis and spatially resolved second-order autocorrelation are demonstrated at incident angles up to 50 and pulse durations down to 6 fs. (C) 2012 Optical Society of America
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