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4篇 您的检索式:作者名="ROMANO A.RUPP"
    题名 作者 年代 出处 被引量
1Low threshold random lasing in dye-doped and strongly disordered chiral liquid crystals显示文摘Random lasing was experimentally investigated in pyrromethene 597-doped strongly disordered chiral liquid crystals (CLCs) composed of the nematic liquid crystal SLC1717 and the chiral agent CB15. The concentration of the chiral agent tuned the bandgap, and disordered CLC microdomains were achieved by fast quenching of the mixture from the isotropic to the cholesteric phase. Random lasing and band edge lasing were observed synchronously, and their behavior changed with the spectral location of the bandgap. The emission band for band edge lasing shifted with the change of the bandgap, while the emission band for random lasing remained practically constant. The results show that the threshold for random lasing sharply decreases if the CLC selective reflection band overlaps with the fluorescence peak of the dye molecules and if the band edge coincides at the same time with the excitation wavelength.SHAOHUA GAO JIAYI WANG WENHUA LI XUANYI YU XINZHENG ZHANG XIAO SONG ANDREY ILJIN IRENA DREVENSEK-OLENIK ROMANO A.RUPP JINGJUN XU 2020Photonics Research2020,8,5:2
2Photopolymerization-Induced Two-Beam Coupling and Light-Induced Scattering in Polymethyl Methacrylate显示文摘轻 ampli。阳离子由于二 -- 横梁联合在做的 polymethyl methacrylate (PMMA ) 被认识到眼镜。象 14 厘米一样大的 A coupling 获得 -- 1 被获得。吸收和光的动态行为 -- 由于相片聚合的过程散布导致也被学习。结果出现 ampli。阳离子和它的动态过程在光设备启用 PMMA 的可能的应用。李威 张心正 石艳丽 许京军 乔海军 吴强 Romano A.Rupp 楼慈波 王振华 高峰 唐柏权 Christian Pruner 2008Chinese Physics Letters2008,25,8:0
3ADP晶体的全方位生长方法研究(英文)显示文摘采用一种全新的ADP晶体生长方法,使晶体首先恢复其理想外形,实现晶体的全方位生长,从而提高晶体的生长速度。并对所得晶体进行了透过率,激光散射,摇摆曲线测试及热重差热分析,与常规生长方法比较并分析了全方位生长方法的优势。马江涛 滕冰 钟德高 曹丽凤 温吉龙 Romano A.Rupp 2013人工晶体学报2013,42,2:0
4Investigation on the phase shifts of extinction and phase gratings in polymethyl methacrylate显示文摘The phase shifts of the extinction and refractive index gratings to the illumination pattern are revealed in doped polymethyl methacrylate(PMMA).The dynamic process of these shifts is studied via two-wave coupling at 351 nm.It is shown that these shifts are from the strain and the shrinkage inside the sample and accompanied with the photo-repolymerization process during the building process of the holographic grating.Such shifts will cause obvious energy exchange between the two recording beams and enough attention should be paid to the nonlocal property of the holographic gratings of the material in the application.李威 唐柏权 张心正 高峰 刘龙昌 吴强 潘雷霆 楼慈波 郭尚雨 Romano A.Rupp 许京军 2010Chinese Optics Letters2010,8,1:0
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