Tunable dye lasers based on DNA-surfactant-dye complexes

Toshifumi Chida; Yutaka Kawabe

doi:10.1117/12.893125

15 September 2011 Tunable dye lasers based on DNA-surfactant-dye complexes

Toshifumi Chida, Yutaka Kawabe

Proceedings Volume 8103, Nanobiosystems: Processing, Characterization, and Applications IV; 81030P (2011) https://doi.org/10.1117/12.893125
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

We succeeded to generate tunable laser emissions from hemicyanine dye, (4-[4-(dimethylamino)stylyl]-1- dococylpyridnium bromide) doped in DNA-surfactant complex through three methods. First, we constructed Littrow type cavity containing hemicyanine and DNA-CTMA complex solutions and observed tunable laser oscillation. Next, we showed a tunable laser oscillation from ethanol solutions of hemicyanine and DNA-CTMA complex under pumping of two interfering beams which formed a distributed feedback grating of population. Finally, we fabricated a thin film composed of hemicyanine and DNA-CTMA complex, and demonstrated tunable laser oscillation under pumping with two interfering beams. We evaluated the durability of the tunable thin film laser by continuous operation, and confirmed the lifetime of more than one hour.

Citation Download Citation

Toshifumi Chida and Yutaka Kawabe "Tunable dye lasers based on DNA-surfactant-dye complexes", Proc. SPIE 8103, Nanobiosystems: Processing, Characterization, and Applications IV, 81030P (15 September 2011); https://doi.org/10.1117/12.893125

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