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Biopolymer-based hybrid systems for lasing applications

机译:用于激光应用的基于生物聚合物的混合系统

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We present results of the amplified spontaneous emission (ASE) in the system based on dye-doped modified DNA-CTMA (deoxyribonucleic acid with cetyltrimethyl-amrnonium 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 well-known 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.
机译:我们介绍了基于染料掺杂的修饰DNA-CTMA(具有十六烷基三甲基氯化铵的脱氧核糖核酸)和在由两层系统组成的分布式反馈布拉格(DFB)激光中发射的系统中的放大自发发射(ASE)的结果:一层包含染料的修饰的(DNA)聚合物基体层,该基体叠加在光致变色聚合物层中形成的周期性起伏结构上。作为光敏和发光染料,我们使用了众所周知的若丹明(Rh 6G)。该层覆盖了特别设计的光致变色聚合物层,在该层中,通过全息方法刻有表面凹凸光栅(SRG),以形成用于光子的布拉格反射器。 DNA-CTMA:Rh6G /光致变色聚合物的薄膜被λ= 532 nm波长的6纳秒激光脉冲激发。

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