Temperature-dependent polarization effects in Ce:LiLuF

Andrew J.S. McGonigle, Richard Moncorge, David W. Coutts

Research output: Contribution to journalArticle

12 Citations (Scopus)
3 Downloads (Pure)

Abstract

We report on tuned-laser, pump–probe–gain, and fluorescence yield studies of the effect that crystal temperature plays on the polarized emission characteristics of Ce:LiLuF. It was found that s-polarized emission at the 327–nm fluorescence spectra peak is characterized by smaller laser pulse buildup times, higher small–signal gains, and smaller output powers than the p–polarized 327–nm emission. We concluded that excited–state absorption (ESA) (and the resultant formation of color centers) is more severe for s-polarized emission than for p–polarized emission in this spectral region. We postulate that the enhancement in laser performance and crystal fluorescence observed with crystal cooling is due to narrowing of the ESA absorption band that reduces the probability of ESA and color–center formation.

Original languageEnglish
Pages (from-to)4326-4333
Number of pages8
JournalApplied Optics
Volume40
Issue number24
DOIs
Publication statusPublished - 20 Aug 2001
Externally publishedYes

Bibliographical note

This paper was published in Applied optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-24-4326. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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