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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-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 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:我们在基于染料掺杂的修饰的DNA-CTMA(脱氧核酸与甲烷基三氯化铵)和分布式反馈布拉格(DFB)激光器的应用,呈现出基于染料掺杂的修饰的DNA-CTMA(脱氧核糖核酸)的结果,包括两层系统:含有染料的改性(DNA)聚合物基质层叠加在光致变色聚合物层中形成的周期性浮雕结构上。作为光活性和发光染料,我们使用了众所周知的罗丹明(RH 6G)。该层覆盖了一种专门设计的光致变色聚合物层,其中通过全息方法刻有表面浮雕光栅(SRG),以形成用于光子的布拉格反射器。 DNA-CTMA的薄膜:RH6G /光致变色聚合物在λ= 532nm波长的6个纳秒激光脉冲中激发。

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