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Multiwavelength laser designed for single-frame digital holography
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
Department of Engineering Sciences and Mathematics, Luleå University of Technology.
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2016 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 55, no 27, 7517-7521 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we present a tailored multiwavelength Yb-fiber laser source in the 1.03 μm spectral region for spatially multiplexed digital holographic acquisitions. The wavelengths with bandwidths below 0.1 nm were spectrally separated by approximately 1 nm by employing fiber Bragg gratings for spectral control. As a proof of concept, the shape of a cylindrically shaped object with a diameter of 48 mm was measured. The holographic acquisition was performed in single-shot dual-wavelength mode with a synthetic wavelength of 1.1 mm, and the accuracy was estimated to be 3% of the synthetic wavelength.

Place, publisher, year, edition, pages
Optical Society of America, 2016. Vol. 55, no 27, 7517-7521 p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-192686DOI: 10.1364/AO.55.007517OAI: oai:DiVA.org:kth-192686DiVA: diva2:971938
Note

QC 20160923

Available from: 2016-09-19 Created: 2016-09-19 Last updated: 2016-09-23Bibliographically approved

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Tjörnhammar, StaffanKlemming Eklöf, FinnYu, ZhangweiLaurell, Fredrik
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