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Proceedings Paper

Thin film DNA-complex-based dye lasers fabricated by immersion and conventional processes
Author(s): Yutaka Kawabe; Yuki Suzuki
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Paper Abstract

DNA based thin film dye laser is one of promising optical devices for future technology. Laser oscillation and amplified spontaneous emission (ASE) were demonstrated by hemicyanine-doped DNA complex films prepared with ‘immersion method’ as well as those made by a conventional way. In the immersion process, DNA-surfactant complex films were stained by immersion into an acetone solution including the dyes. In this study, three types of hemicyanines were incorporated with both methods, and laser oscillation was achieved with optically induced population grating formed in all of the complex films. The laser threshold values for six cases ranged in 0.07 – 0.18 mJ/cm2 , which was close to the best values made in DNA complex matrices. Continual pumping showed that laser oscillation persisted for 4 – 10 minutes. Immersion process gave superior laser capability especially for output efficiency over the conventional counterparts.

Paper Details

Date Published: 29 August 2017
PDF: 6 pages
Proc. SPIE 10355, Nanobiosystems: Processing, Characterization, and Applications X, 1035505 (29 August 2017); doi: 10.1117/12.2273099
Show Author Affiliations
Yutaka Kawabe, Chitose Institute of Science and Technology (Japan)
Yuki Suzuki, Chitose Institute of Science and Technology (Japan)

Published in SPIE Proceedings Vol. 10355:
Nanobiosystems: Processing, Characterization, and Applications X
Norihisa Kobayashi; Fahima Ouchen; Ileana Rau, Editor(s)

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