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Light source for low-coherence interferometry combining LED and single mode optical fibre
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SYSNO ASEP 0456305 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Light source for low-coherence interferometry combining LED and single mode optical fibre Author(s) Buchta, Zdeněk (UPT-D) RID, SAI, ORCID
Mikel, Břetislav (UPT-D) RID, SAI
Řeřucha, Šimon (UPT-D) RID, ORCID, SAI
Lazar, Josef (UPT-D) RID, ORCID, SAI
Číp, Ondřej (UPT-D) RID, SAI, ORCIDNumber of authors 5 Source Title Photonics, Devices, and Systems V. (Proceedings of SPIE 8306). - Bellingham : SPIE, 2011 - ISBN 9780819489531 Pages 83060e:1-5 Number of pages 5 s. Publication form Online - E Action Conference on Photonics, Devices, and Systems /5./ Event date 24.08.2011-26.08.2011 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country US - United States Keywords low-coherence interferometry ; high-luminescent LED ; optical fibre ; gauge block Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects GP102/09/P293 GA ČR - Czech Science Foundation (CSF) 2A-1TP1/127 GA MPO - Ministry of Industry and Trade (MPO) LC06007 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) ED0017/01/01 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UPT-D - RVO:68081731 UT WOS 000297582500014 EID SCOPUS 81455148954 DOI 10.1117/12.912599 Annotation This paper describes a pilot experiment of optimization of a white-light source for a low-coherence interferometry. The white-light source combines the light beams generated with colour LEDs. By modelling of the white light spectra, a contrast of a white light interference fringe could be changed and set to the maximal value. Hereafter, a concept of the light source for the low-coherence interferometry based on high-luminescent LED and single mode optical fibres is presented.The design comes out form a requirement to have an output beam combining a white-light beam and a laser beam. In the case of coaxial white-light and laser beam, the white-light interferometer is precisely combined with an incremental laser interferometer. This combination allows doing online surface diagnostics with high precision. The optimized white light source is designed to be a crucial part of an experimental setup for the surface diagnostics and automatic calibration of gauge blocks. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2016
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