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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 tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.
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Rekke forfattare: 72016 (engelsk)Inngår i: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 55, nr 27, s. 7517-7521Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2016. Vol. 55, nr 27, s. 7517-7521
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Experimentell mekanik
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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
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Validerad; 2016; Nivå 2; 2016-10-26 (andbra)

Tilgjengelig fra: 2016-10-26 Laget: 2016-10-26 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Khodadad, DavoodSjödahl, Mikael

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