Amplification of ultraviolet femtosecond pulse by a micro-pulling down method-grown ce:LiCAF crystal in a prismatic cell-type, side-pumping configuration

Jacque Lynn Gabayno, Marilou Cadatal-Raduban, Minh Pham, Kohei Yamanoi, Elmer Estacio, Wilson Garcia, Tomoharu Nakazato, Toshihiko Shimizu, Nobuhiko Sarukura, Toshihisa Suyama, Kentaro Fukuda, Kyoung Jin Kim, Akira Yoshikawa, Fumio Saito

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5 Citations (Scopus)

Abstract

We propose an efficient side-pumping scheme for ultraviolet (UV) femtosecond pulse amplification in micro-pulling-down (mPD) methodgrown Ce:LiCAF using a prismatic cell-type configuration. By uniformly illuminating four sides of a 2-mm-diameter and 30-mm-length Brewster-cut, nearly as-grown crystal, the risk of damage is dramatically reduced. Without using a chirp pulse amplifier scheme, UV femtosecond pulse at 290nm is amplified 4 times with no significant increase to its pulse duration and B-integral. Our results show that a laser-quality, Ce:LiCAF crystal, efficiently grown by the μPD method and pumped in a prismatic-cell type configuration paves new possibilities in providing high energy UV femtosecond pulses.

Original languageEnglish
Article number120213
JournalJapanese journal of applied physics
Volume48
Issue number12
DOIs
Publication statusPublished - 2009 Dec

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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