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All-fiber high repetition rate microfluidic dye laser
KTH, School of Engineering Sciences (SCI), Applied Physics. Acreo Swedish ICT, Sweden.
KTH, School of Engineering Sciences (SCI), Applied Physics. Acreo Swedish ICT, Sweden.
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2015 (English)In: Optica, ISSN 2334-2536, Vol. 2, no 2, 186-193 p.Article in journal (Refereed) Published
Abstract [en]

Optofluidic dye lasers may play a significant role in future laser applications in numerous areas, combining wavelength flexibility with integration and ease of operation. Nevertheless, no all-fiber integrated dye lasers have been demonstrated so far. In this paper, we report on a series of optofluidic all-fiber Rhodamine optical sources operating at a repetition rate as high as 1 kHz. Dye bleaching is avoided by circulating the Rhodamine dye during optical excitation. The laser radiation is extracted via conventional fibers that are spliced to the dye-filled capillary active medium. A tuneable amplified spontaneous emission source, a multimode laser, and a few transverse-mode laser are demonstrated by adjusting the setup. Threshold pump energies as low as similar to 1 mu J and slope efficiencies of up to mu 9% were obtained, indicating the potential for realworld applications in areas such as spectroscopy and biomedicine.

Place, publisher, year, edition, pages
2015. Vol. 2, no 2, 186-193 p.
Keyword [en]
Photonic Crystal Fiber, Microstructured Optical-Fiber, Liquid, Core, Emission, Light, Index, Optofluidics, Efficient
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URN: urn:nbn:se:kth:diva-169295DOI: 10.1364/OPTICA.2.000186ISI: 000354866800018OAI: diva2:821186

QC 20150615

Available from: 2015-06-15 Created: 2015-06-12 Last updated: 2015-06-15Bibliographically approved

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Sudirman, AzizaMargulis, Walter
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