Active thermography inspection of welding lasers scanning head protective glass

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23640%2F16%3A43930847" target="_blank" >RIV/49777513:23640/16:43930847 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1364/AO.55.000D60" target="_blank" >http://dx.doi.org/10.1364/AO.55.000D60</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/AO.55.000D60" target="_blank" >10.1364/AO.55.000D60</a>

Result language
angličtina
Original language name
Active thermography inspection of welding lasers scanning head protective glass
Original language description
Industrial lasers are an expanding technology of welding and other materials processing. Lasers with optical scanning heads are often used, as these provide more versatility, accuracy, and speed. The output part of the scanning head is covered by a protective glass, which might get contaminated by various particles from the laser processing. This decreases the transmissivity of the glass, and it can affect the production quality. The contamination needs to be checked regularly, but a visual inspection might not always be effective. This paper proposes two alternative methods of inspecting the protective glass: flash-pulse active thermography, and laser active thermography. They are based on the thermal excitation of the glass and measuring the response with an infrared camera. The experimental setup and practical results are described and the advantages and disadvantages are discussed. The presented methods are proven to be effective in detecting the contamination of the glass. © 2016 Optical Society of America.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Konference Metal 2016 - 25. mezinárodní konference metalurgie a materiálů
ISBN
978-80-87294-67-3
ISSN
—
e-ISSN
neuvedeno
Number of pages
6
Pages from-to
934-939
Publisher name
TANGER, spol. s r. o.
Place of publication
Ostrava
Event location
Brno
Event date
May 25, 2016
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000391251200151

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