Selective mode excitation in dye-doped DNA polyvinyl alcohol thin film

被引：16
|
作者：
Balan, Nithyaja [1 ]
Hari, Misha [1 ]
Parameswaran, Vadakkedathu
Nampoori, Narayana [1 ]
机构：
[1] Cochin Univ Sci & Technol, Int Sch Photon, Cochin 682016, Kerala, India
来源：
APPLIED OPTICS | 2009年 / 48卷 / 19期
关键词：
EMISSION;
D O I：
10.1364/AO.48.003521
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A solid-state laser based on a dye-doped deoxyribonucleic acid (DNA) matrix is described. A thin solid film of DNA has been fabricated by treating with polyvinyl alcohol (PVA) and used as a host for the laser dye Rhodamine 6G. The edge emitted spectrum clearly indicated the existence of laser modes and amplified spontaneous emission. Lasing was obtained by pumping with a frequency-doubled Nd:YAG laser at 532 nm. For a pump energy of 10 mJ/pulse, an intense line with FWHM approximate to 0.2 nm was observed at 566 nm due to selective mode excitation. (C) 2009 Optical Society of America
引用
收藏
页码：3521 / 3525
页数：5
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