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Proceedings Paper

High-performance polymer optical fiber lasers and amplifiers
Author(s): Ken Kuriki; Takeyuki Kobayashi; Nana Imai; Toshihiko Tamura; Akihiro Tagaya; Yasuhiro Koike; Yoshiyuki Okamoto
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Paper Abstract

We report on the lasing action of the graded-index polymer optical fibers containing dyes, such as Rhodamine B, Rhodamine 6G, Perylene Orange, and Pyrromethene 567. These dyes have been incorporated into poly(methyl methacrylate- co-2-hydroxythyl methacrylate). These fibers were transversely pumped at 532 nm with a frequency-doubled Q- switched Nd:YAG laser. Slope efficiency of 24 percent and output of 1.2 mJ were obtained with a Rhodamine 6G-doped fiber. A lifetime of 200,000 pulses at 10 Hz was achieved with a Rhodamine B-doped fiber. GI POF containing a Nd- chelate have also been fabricated. The absorption spectrum of the fiber exhbit3ed several strong bands in the visible and IR regions. We have observed IR fluorescence of the Nd3+ ion of the fiber at room temperature when it was pumped with an Ar+-pumped dye laser at 580 nm. The Judd-Ofelt theory was applied to the absorption spectrum of Nd3+ in polymer to determine the Judd-Ofelt parameters. From the theory, various radiative properties, such as transition probability, branching ratio, and emission cross section for various emission levels, have been determined and reported.

Paper Details

Date Published: 19 May 2000
PDF: 11 pages
Proc. SPIE 3939, Organic Photonic Materials and Devices II, (19 May 2000); doi: 10.1117/12.386385
Show Author Affiliations
Ken Kuriki, Keio Univ. (United States)
Takeyuki Kobayashi, Keio Univ. (Japan)
Nana Imai, Keio Univ. (Japan)
Toshihiko Tamura, Keio Univ. (Japan)
Akihiro Tagaya, Keio Univ. (Japan)
Yasuhiro Koike, Keio Univ. (Japan)
Yoshiyuki Okamoto, Polytechnic Univ. (United States)


Published in SPIE Proceedings Vol. 3939:
Organic Photonic Materials and Devices II
Donal D. C. Bradley; Bernard Kippelen, Editor(s)

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