Analysis of short wavelength infrared radiation during laser welding of plastics
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F18%3A43951600" target="_blank" >RIV/49777513:23520/18:43951600 - isvavai.cz</a>
Alternative codes found
RIV/49777513:23640/18:43951600
Result on the web
<a href="http://dx.doi.org/10.1364/AO.57.00D145" target="_blank" >http://dx.doi.org/10.1364/AO.57.00D145</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/AO.57.00D145" target="_blank" >10.1364/AO.57.00D145</a>
Alternative languages
Result language
angličtina
Original language name
Analysis of short wavelength infrared radiation during laser welding of plastics
Original language description
In this article, a new measurement system and a new approach in calculation for infrared (IR) radiation investigation in quasi-simultaneous transmission laser welding of plastics are presented. The measurement system is based on a MW/SWIR (medium-wave/short-wave infrared) camera and optical filters narrowing the spectral region to SWIR. The measured signals contain radiation from the melted zone in between the semitransparent and absorbing polymers, as well as radiation from the surface and interior of the semitransparent polymer. The new calculation approach was developed to distinguish between these signals. It is based on simplification of the process to two places with two temperatures (surface and molten interface) and knowledge of the spectral optical properties of the material, filters and camera response. The results of measurement and calculation for three different optical filters and polyoxymethylene (POM) samples with two thicknesses are shown and discussed. Good agreement is obtained for the calculation variant using normal transmissivity of the semitransparent polymer.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)
Result continuities
Project
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Continuities
O - Projekt operacniho programu
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Applied Optics
ISSN
2155-3165
e-ISSN
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Volume of the periodical
57
Issue of the periodical within the volume
18
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
"D145"-"D154"
UT code for WoS article
000435841800021
EID of the result in the Scopus database
2-s2.0-85048951612