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Third harmonic (TH) generation: a tool to study dielectric material properties near the laser induced damage threshold (LIDT)
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Paper Abstract

Third harmonic generation (THG) in dielectric films with femtosecond laser pulses is used to study properties of dielectric thin films and stacks thereof below and above the 1-on-1 laser damage threshold. Deviations from the ideal cubic relationship between third-harmonic signal and incident fundamental fluence are a result of several fundamental processes. Their relative contributions are assessed by comparing results from LIDT and conversion efficiency measurements as well as beam profile and pump-probe studies.

Paper Details

Date Published: 20 November 2019
PDF: 7 pages
Proc. SPIE 11173, Laser-induced Damage in Optical Materials 2019, 111731L (20 November 2019); doi: 10.1117/12.2536440
Show Author Affiliations
Amir Khabbazi Oskouei, The Univ. of New Mexico (United States)
Luke Emmert, The Univ. of New Mexico (United States)
Morten Steinecke, Laser Zentrum Hannover e.V. (Germany)
Marco Jupé, Laser Zentrum Hannover e.V. (Germany)
Detlev Ristau, Laser Zentrum Hannover e.V. (Germany)
Lars Jensen, Laser Zentrum Hannover e.V. (Germany)
Wolfgang Rudolph, The Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 11173:
Laser-induced Damage in Optical Materials 2019
Christopher Wren Carr; Vitaly E. Gruzdev; Detlev Ristau; Carmen S. Menoni, Editor(s)

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