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Article

Towards Highly Efficient Polymer Fiber Laser Sources for Integrated Photonic Sensors

1
Institute of Quantum Optics, Leibniz University Hannover, 30167 Hannover, Germany
2
Laser Zentrum Hannover e.V., 30419 Hannover, Germany
3
Institut für Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany
4
Academic Alliance Braunschweig - Hannover QUANOMET, 30167 Hannover, Germany
5
Cluster of Excellence PhoenixD, 30167 Hannover, Germany
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(15), 4086; https://doi.org/10.3390/s20154086
Received: 10 June 2020 / Revised: 9 July 2020 / Accepted: 17 July 2020 / Published: 22 July 2020
(This article belongs to the Special Issue Recent Development and Applications of Plastic Optical Fiber Sensors)
Lab-on-a-Chip (LoC) devices combining microfluidic analyte provision with integrated optical analysis are highly desirable for several applications in biological or medical sciences. While the microfluidic approach is already broadly addressed, some work needs to be done regarding the integrated optics, especially provision of highly integrable laser sources. Polymer optical fiber (POF) lasers represent an alignment-free, rugged, and flexible technology platform. Additionally, POFs are intrinsically compatible to polymer microfluidic devices. Home-made Rhodamine B (RB)-doped POFs were characterized with experimental and numerical parameter studies on their lasing potential. High output energies of 1.65 mJ, high slope efficiencies of 56 % , and 50 % -lifetimes of ≥900 k shots were extracted from RB:POFs. Furthermore, RB:POFs show broad spectral tunability over several tens of nanometers. A route to optimize polymer fiber lasers is revealed, providing functionality for a broad range of LoC devices. Spectral tunability, high efficiencies, and output energies enable a broad field of LoC applications. View Full-Text
Keywords: polymer fiber laser; polymer fiber amplifier; integrated photonics; Rhodamine B; fiber optics polymer fiber laser; polymer fiber amplifier; integrated photonics; Rhodamine B; fiber optics
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MDPI and ACS Style

Spelthann, S.; Unland, S.; Thiem, J.; Jakobs, F.; Kielhorn, J.; Ang, P.Y.; Johannes, H.-H.; Kracht, D.; Neumann, J.; Ruehl, A.; Kowalsky, W.; Ristau, D. Towards Highly Efficient Polymer Fiber Laser Sources for Integrated Photonic Sensors. Sensors 2020, 20, 4086. https://doi.org/10.3390/s20154086

AMA Style

Spelthann S, Unland S, Thiem J, Jakobs F, Kielhorn J, Ang PY, Johannes H-H, Kracht D, Neumann J, Ruehl A, Kowalsky W, Ristau D. Towards Highly Efficient Polymer Fiber Laser Sources for Integrated Photonic Sensors. Sensors. 2020; 20(15):4086. https://doi.org/10.3390/s20154086

Chicago/Turabian Style

Spelthann, Simon, Stefanie Unland, Jonas Thiem, Florian Jakobs, Jana Kielhorn, Pen Y. Ang, Hans-Hermann Johannes, Dietmar Kracht, Joerg Neumann, Axel Ruehl, Wolfgang Kowalsky, and Detlev Ristau. 2020. "Towards Highly Efficient Polymer Fiber Laser Sources for Integrated Photonic Sensors" Sensors 20, no. 15: 4086. https://doi.org/10.3390/s20154086

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