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Proceedings Paper

Compression of ultrashort pulses by using refractive elements
Author(s): Cristtel Y. Ramírez-Corral; Martha Rosete-Aguilar; Jesús Garduño-Mejía; Roberto Ortega-Martínez
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Paper Abstract

Dispersive elements such as prisms modify the temporal characteristics of ultrashort light pulses. In prisms the main effect that modifies the temporal characteristics of the pulse is the group velocity dispersion which can be interpreted as a result of angular dispersion of each of the electromagnetic waves of the pulse and the group velocity dispersion introduced by the glass material constituting the prisms. A model for the compression of ultrashort light pulses is presented for a set of prisms. The model shows how to obtain a good configuration in the laboratory depending on the prism material. Additionally we show that the GVD due to angular dispersion between two parallel surfaces is positive and not negative as is commonly believed. We also show that to achieve pulse compression of an input bandwidth limited pulse in a single right angle prism the reference surface should be curved and not plane as mentioned in reference 1.

Paper Details

Date Published: 11 September 2008
PDF: 12 pages
Proc. SPIE 7062, Laser Beam Shaping IX, 706205 (11 September 2008); doi: 10.1117/12.795160
Show Author Affiliations
Cristtel Y. Ramírez-Corral, Univ. Nacional Autónoma de México (Mexico)
Martha Rosete-Aguilar, Univ. Nacional Autónoma de México (Mexico)
Jesús Garduño-Mejía, Univ. Nacional Autónoma de México (Mexico)
Roberto Ortega-Martínez, Univ. Nacional Autónoma de México (Mexico)

Published in SPIE Proceedings Vol. 7062:
Laser Beam Shaping IX
Andrew Forbes; Todd E. Lizotte, Editor(s)

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