Article | REF: AF3276 V2

Crystalline Luminescence Applied to Laser Sources

Author: Georges BOULON

Publication date: July 10, 2016

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ABSTRACT

This article presents the fundamental physics of solid-state laser-type materials (crystals, glasses, and now transparent ceramics) giving rise to emission within the optical spectral range (ultraviolet, visible, near infrared). The emission lines are either sharp, mainly with rare earth ions for one-wavelength laser sources, or broad bands with metal transition ions for tunable laser sources. We describe the trends in solid-state CW or pulsed (ns-ps-fs) laser sources, with increasing use of high power pump diodes.

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AUTHOR

  • Georges BOULON: Professor - Institut Lumière Matière, CNRS 5306 Joint Research Unit - Université Claude Bernard Lyon1, Lyon, France

 INTRODUCTION

This article on crystalline luminescence applied to laser sources is one of four on the general presentation of solid-state laser sources [AF 3 275] , crystals and nonlinear optics [AF 3 278] and the generation of short (ns) to ultrashort laser pulses down to the femtosecond (fs) [AF 3 282] . The main objective is to describe the physics of inorganic luminescent materials applied to lasers emitting in the optical range (ultraviolet, visible and near infrared), either fine lines mainly with rare-earth ions for fixed-wavelength lasers, or broad bands for tunable-wavelength lasers mainly with transition ions. Numerous examples of spectroscopic characterizations of major crystals illustrate the spectral domains in which lasers can be used. Today's lasers tend to be compact, easy to handle and transport, continuous or pulsed (ns-ps-fs), with increased use of pumping by power laser diodes in the near infrared, which can also be combined with suitable nonlinear crystals, leading to "all-solid-state lasers".

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KEYWORDS

solid-state laser inorganic materials   |   transparent ceramics   |   pulsed lasers   |   tuneable lasers   |   high power diode


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Crystalline luminescence applied to laser sources
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