Experimental and numerical analysis of thermal aberrations in Nd:YVO₄ laser amplifiers

verfasst von

Merle Schneewind, Phillip Booker, Stefan Spiekermann, Peter Weßels, Jörg Neumann, Dietmar Kracht

Abstract

Nd:YVO₄ is an excellent gain material for laser amplifiers used in gravitational wave detectors [1] because of several reasons. Nd:YVO₄'s anisotropic emission cross-sections and inherent birefringence enable stable output polarization and suppress thermally induced depolarization. Furthermore, Nd:YVO₄ saturates at low seed intensity. However, vanadate's low thermal conductivity poses a major challenge for the application of Nd:YVO₄ laser crystals, because the beam quality degrades at higher power levels as a result of thermal wavefront distortions [2,3]. In this work, we analyse the aberrations of the thermal lens in Nd:YVO₄ amplifiers in order to design suitable counter-measures and increase the achievable single-mode output power.

Organisationseinheit(en)

QuantumFrontiers

Externe Organisation(en)

Laser Zentrum Hannover e.V. (LZH)

Typ

Aufsatz in Konferenzband

Anzahl der Seiten

1

Publikationsdatum

2023

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Elektronische, optische und magnetische Materialien, Instrumentierung, Atom- und Molekularphysik sowie Optik

Elektronische Version(en)

https://doi.org/10.1109/CLEO/EUROPE-EQEC57999.2023.10232647 (Zugang: Geschlossen)