VUV fluorescence from Nd3+:LuLiF4 by two photon excitation using femtosecond laser

Kohei Yamanoi, Yuki Minami, Ryosuke Nishi, Yuki Shinzato, Mizuki Tsuboi, Mui Viet Luong, Tomoharu Nakazato, Toshihiko Shimizu, Nobuhiko Sarukura, Marilou Cadatal-Raduban, Minh Hong Pham, Hung Dai Nguyen, Yuui Yokota, Akira Yoshikawa, Mitsuru Nagasono, Tetsuya Ishikawa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We report on the vacuum ultraviolet (VUV) fluorescence from Nd:LLF excited by three excitation sources namely: the 157-nm emission of a F2 laser, 61-nm emission of an extreme ultraviolet free electron laser (EUV-FEL), and the third harmonic (290 nm) of a Ti:sapphire laser. The optical characteristics of the dominant fluorescence peaks at about 182 nm and 186 nm has a decay time of about 38 ns and is similar for all excitation wavelengths. Further investigation revealed that the VUV fluorescence arising from the 290-nm excitation is due to two-photon absorption. Our results suggest the possibility of developing an all-solid-state vacuum ultraviolet laser via two-photon excitation.

Original languageEnglish
Pages (from-to)2030-2033
Number of pages4
JournalOptical Materials
Volume35
Issue number11
DOIs
Publication statusPublished - 2013 Sep

Keywords

  • Scintillator
  • Solid state laser
  • Two-photon absorption
  • Vacuum ultraviolet

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Electrical and Electronic Engineering

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