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Multiwavelength laser designed for single-frame digital holography
Department of Applied Physics, Royal Institute of Technology (KTH).
Department of Applied Physics, Royal Institute of Technology (KTH).
Department of Applied Physics, Royal Institute of Technology (KTH).
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
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Number of Authors: 72016 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 55, no 27, p. 7517-7521Article 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
2016. Vol. 55, no 27, p. 7517-7521
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-59960DOI: 10.1364/AO.55.007517ISI: 000383996900010Scopus ID: 2-s2.0-84988841942OAI: oai:DiVA.org:ltu-59960DiVA, id: diva2:1040072
Note

Validerad; 2016; Nivå 2; 2016-10-26 (andbra)

Available from: 2016-10-26 Created: 2016-10-26 Last updated: 2018-07-10Bibliographically approved

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Khodadad, DavoodSjödahl, Mikael

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