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20 August 2020 Photoresponse of azobenzene derivatives coupled with bio-complex material and application to thin film dye lasers
Yutaka Kawabe, Masaya Miyazaki, Kento Okoshi
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Proceedings Volume 11477, Molecular and Nano Machines III; 114770H (2020) https://doi.org/10.1117/12.2567243
Event: SPIE Organic Photonics + Electronics, 2020, Online Only
Abstract
In order to realize a simple and small sized tunable laser with biomaterial based thin films, azo molecule Disperse Red 1 (DR1) was incorporated into DNA-surfactant complex with several fashions. Large photoinduced response with was observed under cw green laser excitation. With introducing a laser dye into blend films composed of DR1-copolymer and DNA complex by immersing them into dye solutions, we succeeded in the demonstration of laser oscillation with low pumping energy and quick tuning with a simple mechanical operation. For improvement of the film quality, a new surfactant including azocarbazole dye was synthesized, showing comparable laser induced birefringence.
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Yutaka Kawabe, Masaya Miyazaki, and Kento Okoshi "Photoresponse of azobenzene derivatives coupled with bio-complex material and application to thin film dye lasers", Proc. SPIE 11477, Molecular and Nano Machines III, 114770H (20 August 2020); https://doi.org/10.1117/12.2567243
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KEYWORDS
Dye lasers
Thin films
Molecules
Birefringence
Continuous wave operation
Polymers
Biomedical optics
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