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Proceedings Paper

Periodic photonic structures in lithium fluoride
Author(s): H. J. Kalinowski; I. Chiamenti; R. M. Monterali; M. A. Vincenti; F. Bonfligli; F. Michelotti; R. N. Nogueira
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Paper Abstract

Lithium Fluoride (LiF) presents interesting optical properties and it has been proposed as an active optical material for colour centre (CC) lasers and amplifiers. The use of a grating to reduce the laser threshold and to narrow the line-width has also been demonstrated. More recently, LiF gained increased attention due to its unique characteristics as x-ray imaging detector for high resolution microscopy and for the development of CC lasers using gratings induced by high energy femtosecond laser pulses. We present a review of our recent work in the production of photonic structures, like photo-induced Bragg gratings and wave-guides either by laser CW illumination or by femtosecond laser irradiation. CW laser illuminated gratings were written in both coloured LiF crystals and films. Gratings and wave-guides are characterized using confocal microscopy, optical absorption and emission spectroscopy, near field scanning, scattering and insertion loss measurements.

Paper Details

Date Published: 26 July 2011
PDF: 8 pages
Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 800114 (26 July 2011); doi: 10.1117/12.894400
Show Author Affiliations
H. J. Kalinowski, Federal Univ. of Technology Paraná (Brazil)
Instituto de Telecomunicações (Portugal)
I. Chiamenti, Federal Univ. of Technology Paraná (Brazil)
R. M. Monterali, ENEA C.R. Frascati (Italy)
M. A. Vincenti, ENEA C.R. Frascati (Italy)
F. Bonfligli, ENEA C.R. Frascati (Italy)
F. Michelotti, Univ. di Roma La Sapienza (Italy)
R. N. Nogueira, Instituto de Telecomunicações (Portugal)

Published in SPIE Proceedings Vol. 8001:
International Conference on Applications of Optics and Photonics
Manuel Filipe Costa, Editor(s)

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