Pulse compression with volume holographic transmission gratings recorded in Slavich PFG-04 emulsions

Ayalid Villamarín; Íñigo Sola; J. Atencia; M. V. Collados; I. Arias; C. Mendez; O. Varela; B. Alonso; J. Rodríguez; M. Quintanilla; L. Roso

doi:10.1117/12.826295

21 August 2009 Pulse compression with volume holographic transmission gratings recorded in Slavich PFG-04 emulsion

Ayalid Villamarín, Íñigo Sola, J. Atencia, M. V. Collados, I. Arias, C. Mendez, O. Varela, B. Alonso, J. Rodríguez, M. Quintanilla, L. Roso

Author Affiliations +

Proceedings Volume 7430, Laser Beam Shaping X; 74300Y (2009) https://doi.org/10.1117/12.826295
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

In this work we design and construct a pulse compressor with volume transmission holographic gratings, to compensate the second order dispersion in femtosecond laser pulses emitting at 794 nm with a spectral broadband of 10 nm. The gratings (730 lines/mm) are recorded in PFG-04 dichromated gelatine emulsion with a wavelength of 532 nm, reaching enough index modulation to use the gratings illuminated with 800 nm light source with high efficiency (around 80% of efficiency in each grating). This efficiency is expected to be increased with an antireflection coating. We measure the factor of compression as a function of the grating distance using an autocorrelator, finding a good agreement with theoretical curve. A dispersed pulse (580 fs) is reduced to the bandwidth limited value of 106 fs with the grating pair separated by 27 mm.

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Ayalid Villamarín, Íñigo Sola, J. Atencia, M. V. Collados, I. Arias, C. Mendez, O. Varela, B. Alonso, J. Rodríguez, M. Quintanilla, and L. Roso "Pulse compression with volume holographic transmission gratings recorded in Slavich PFG-04 emulsion", Proc. SPIE 7430, Laser Beam Shaping X, 74300Y (21 August 2009); https://doi.org/10.1117/12.826295

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