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24 August 2010 Biopolymer-based hybrid systems for lasing applications
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Abstract
We present results of the amplified spontaneous emission (ASE) in the system based on dye-doped modified DNACTMA (deoxyribonucleic acid with cetyltrimethyl-ammonium chloride) and lasing in distributed feedback Bragg (DFB) laser composed of a two-layer system: a layer of modified (DNA) polymeric matrix containing dye superimposed on a periodic relief structure formed in photochromic polymer layer. As photoactive and luminescent dye we used the wellknown Rhodamine (Rh 6G). This layer covered a specially designed photochromic polymer layer in which a surface relief grating (SRG) was inscribed by holographic method in order to form a Bragg reflector for photons. Thin film of the DNA-CTMA:Rh6G/photochromic polymer was excited with 6 nanosecond laser pulses at λ = 532 nm wavelength.
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Jaroslaw Mysliwiec, Lech Sznitko, Anna Sobolewska, Stanislaw Bartkiewicz, and Andrzej Miniewicz "Biopolymer-based hybrid systems for lasing applications", Proc. SPIE 7765, Nanobiosystems: Processing, Characterization, and Applications III, 776507 (24 August 2010); https://doi.org/10.1117/12.858650
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