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Opt Lett. 2012 Dec 1;37(23):4913-5. doi: 10.1364/OL.37.004913.

Transform-limited pulses for chirped-pulse amplification systems utilizing an active feedback pulse shaping technique enabling five time increase in peak power.

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CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816-2700, USA.


A fiber-based chirped-pulse amplification (CPA) system with an active feedback loop for pulse shaping is experimentally demonstrated. A spectral processor is used in conjunction with a frequency-resolved optical gating measurement to produce high-quality pulses. Spectral phase and intensity shaping are utilized to generate a clean, high-contrast, transform-limited pulse with 15 dB pedestal suppression in the pulse wing tails, resulting in a five time increase in peak power of the CPA system.


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