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1 kHz 3.3 µm Nd:YAG KTiOAsO4 optical parametric oscillator system for laser ultrasound excitation of carbon-fiber-reinforced plastics

Puncken, Oliver and Gandara, David Mendoza and Damjanic, Marcin and Mahnke, Peter and Bergmann, Ralf B. and Peuser, Peter and Kalms, Michael and Wessels, Peter and Neumann, Jörg and Schnars, Ulf (2016) 1 kHz 3.3 µm Nd:YAG KTiOAsO4 optical parametric oscillator system for laser ultrasound excitation of carbon-fiber-reinforced plastics. Applied Optics, 55 (6), pp. 2661-2666. Optical Society of America. doi: 10.1364/AO.55.001310. ISSN 1559-128X.

Full text not available from this repository.

Official URL: https://www.osapublishing.org/ao/abstract.cfm?uri=ao-55-6-1310

Abstract

We present a new laser prototype for laser ultrasonics excitation. The fundamental wavelength of a Q-switched Nd:YAG laser with a repetition rate of 1 kHz is converted to 3.3 μm with a KTiOAsO4 optical parametric oscillator. The achieved pulse energy at 3.3 μm is 1.7 mJ, and the pulse duration at the fundamental wavelength of 1.06 μm has been measured to be 21 ns. The ultrasonic excitation efficiency is about 3.5 times better compared to the application of state-of-the-art CO2 lasers.

Item URL in elib:https://elib.dlr.de/124376/
Document Type:Article
Title:1 kHz 3.3 µm Nd:YAG KTiOAsO4 optical parametric oscillator system for laser ultrasound excitation of carbon-fiber-reinforced plastics
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Puncken, OliverLZHUNSPECIFIEDUNSPECIFIED
Gandara, David MendozaLZHUNSPECIFIEDUNSPECIFIED
Damjanic, MarcinLZHUNSPECIFIEDUNSPECIFIED
Mahnke, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bergmann, Ralf B.BIASUNSPECIFIEDUNSPECIFIED
Peuser, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kalms, MichaelBIASUNSPECIFIEDUNSPECIFIED
Wessels, PeterLZHUNSPECIFIEDUNSPECIFIED
Neumann, JörgLZHUNSPECIFIEDUNSPECIFIED
Schnars, UlfLZHUNSPECIFIEDUNSPECIFIED
Date:19 February 2016
Journal or Publication Title:Applied Optics
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:55
DOI:10.1364/AO.55.001310
Page Range:pp. 2661-2666
Publisher:Optical Society of America
ISSN:1559-128X
Status:Published
Keywords:Zerstörungsfreie Testmethoden/Laser/Optik
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics > Solid State Lasers and Nonlinear Optics
Deposited By: Mahnke, Peter
Deposited On:10 Dec 2018 10:28
Last Modified:10 Dec 2018 10:28

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