Thin film DNA-complex-based dye lasers fabricated by immersion and conventional processes

Yutaka Kawabe; Yuki Suzuki

doi:10.1117/12.2273099

29 August 2017 Thin film DNA-complex-based dye lasers fabricated by immersion and conventional processes

Yutaka Kawabe, Yuki Suzuki

Proceedings Volume 10355, Nanobiosystems: Processing, Characterization, and Applications X; 1035505 (2017) https://doi.org/10.1117/12.2273099
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Yutaka Kawabe and Yuki Suzuki "Thin film DNA-complex-based dye lasers fabricated by immersion and conventional processes", Proc. SPIE 10355, Nanobiosystems: Processing, Characterization, and Applications X, 1035505 (29 August 2017); https://doi.org/10.1117/12.2273099

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