Ce3+-Activated Fluoride Crystals as Prospective Active Media for Widely Tunable Ultraviolet Ultrafast Lasers with Direct 10-ns Pumping

Nobuhiko Sarukura, Zhenlin Liu, Yusaburo Segawa, Mark A. Dubinskii, Vadim V. Semashko, Alexander K. Naumov, Stella L. Korableva, Ravil Y. Abdulsabirov, Keiichi Edamatsu, Yoshiro Suzuki, Tadashi Itoh

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

New possibilities have been investigated for recently developed solid-state tunable ultraviolet (UV) laser materials such as Ce+ ion-activated LuLiF4 (LLF) and LiCaAlF6 (LiCAF). With their broad-gain width, demonstrated reliability, and high efficiency, they are attractive for ultrashort pulse generation and amplification. To prove that, we have demonstrated UV picosecond-pulse amplification using Ce : LLF. For such new laser materials, we proposed a passive self-injection seeding scheme for the direct generation of short-pulse trains, which does not require CW-operation capability or an external short-pulse seeding laser. Using this simple scheme, a UV sub-nanosecond pulse train is directly and passively generated from Ce:LLF pumped by a standard 10-ns KrF excimer laser, and Ce : LiCAF pumped by the fourth harmonic of a conventional 10-ns Q -switched Nd : YAG laser.

Original languageEnglish
Pages (from-to)792-804
Number of pages13
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume1
Issue number3
DOIs
Publication statusPublished - 1995 Sep

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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