Adaptive phase control compression of spectrally broadened fs pulses through self phase modulation in bulk material

V. Gencheva; Dimitris Charalambidis; Nikola Sabotinov

doi:10.1117/12.618714

22 April 2005 Adaptive phase control compression of spectrally broadened fs pulses through self phase modulation in bulk material

V. Gencheva, Dimitris Charalambidis, Nikola Sabotinov

Author Affiliations +

Proceedings Volume 5830, 13th International School on Quantum Electronics: Laser Physics and Applications; (2005) https://doi.org/10.1117/12.618714
Event: 13th International School on Quantum Electronics: Laser Physics and Applications, 2004, Bourgas, Bulgaria

Abstract

The generation of a temporary stable, TerraW, spectrally broadened laser beam with uniform wavefront is carried out through self-phase modulation in 3-mm Sa plate. The set-up for compression of the obtained spectrally broadened pulse is provided by 2x128 pixels Spatial Light Modulator (SLM) controlled by a genetic algorithm. The obtained ultrashort laser pulses have been characterized by an APE pulse measuring system SPIDER. The measurements show that the pulse length decreases more than 2 times: from 62 fs up to 28 fs. The new pulse shape is close to linear.

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V. Gencheva, Dimitris Charalambidis, and Nikola Sabotinov "Adaptive phase control compression of spectrally broadened fs pulses through self phase modulation in bulk material", Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); https://doi.org/10.1117/12.618714

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KEYWORDS

Spatial light modulators

Pulsed laser operation

Genetic algorithms

Adaptive control

Phase modulation

Phase shift keying

Capillaries

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