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Abstimmbarer Pr/Yb-dotierter Faserlaser im cw- und Pulsmodebetrieb (An All-Fiber Pr/Yb-Doped Up-Conversion Laser in Different Laser Operation Modes)

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Published/Copyright: September 25, 2009
tm - Technisches Messen
From the journal Volume 73 Issue 3

Abstract

Faserlasersysteme bieten eine interessante Möglichkeit für Laserquellen mit hoher Strahlqualität im sichtbaren Spektralbereich. Pr/Yb-dotierte Fasersysteme mit Emissionslinien im roten, orangen, grünen und blauen Spektralbereich wurden als abstimmbare Laser (zentrale Wellenlänge 605 nm, Abstimmbereich ca. 8 nm) und als modengelockte Lasersysteme mit Pulsdauern kleiner 100 ps betrieben. Als Gainmedium wurden Pr/Yb-dotierte Fluoridfasersysteme verwendet, während sowohl der gesamte Laserresonator als auch die Modelockingeinheit als quarzfaserbasierte Hybridkomponente realisiert wurden.

Summary

Fiber laser systems have the potential to represent an interesting alternative to more conventional laser sources emitting in the visible spectral range. In this contribution we present new results based on fluoride Pr/Yb-doped fiber systems. This Pr/Yb-doped fiber system with emission wavelengths in the red, orange, green and blue spectral range can be operated as a tunable laser source with a tuning range (around 605 nm) of almost 8 nm and as a mode-locked laser system with a pulse duration below 100 ps. The laser system was realized using Pr/Yb-doped fluoride fibers as an active medium and fiber Bragg gratings in silica fibers as the basic element for the realization of the reflective and tuning components.

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Published Online: 2009-09-25
Published in Print: 2006-03-01

© Oldenbourg Verlag

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