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Micromachines 2017, 8(12), 362;

Two-Directional Tuning of Distributed Feedback Film Dye Laser Devices

Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Ave, Shenzhen 518055, China
Author to whom correspondence should be addressed.
Received: 28 November 2017 / Revised: 12 December 2017 / Accepted: 12 December 2017 / Published: 16 December 2017
(This article belongs to the Special Issue Optofluidics: From Fundamental Research to Applications)
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We demonstrate a two-directional tuning method of distributed feedback (DFB) film dye laser devices to achieve high quality lasing and a large tuning range. In this work, we proposed a simple method to fabricate a continuous tunable solid-state dye laser on a flexible Polydimethylsiloxane (PDMS) film. In order to obtain stable and tunable output lasing, the stretching property of the gelatine host was improved by mixing with a certain ratio of glycerol to prevent DFB cavity destruction. We employed two different tuning strategies of the DFB film dye lasers, by stretching the PDMS film in two perpendicular directions, and a nearly 40 nm tuning range in each direction was achieved. The laser device maintained single mode lasing with 0.12 nm linewidth during the tuning process. The reported tunable DFB film dye laser devices have huge potential as coherent light sources for sensing and spectroscopy applications. View Full-Text
Keywords: dye laser; tunable; distributed feedback dye laser; tunable; distributed feedback

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Feng, H.; Shu, W.; Xu, H.; Zhang, B.; Huang, B.; Wang, J.; Jin, W.; Chen, Y. Two-Directional Tuning of Distributed Feedback Film Dye Laser Devices. Micromachines 2017, 8, 362.

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