Photon statistics of laserlike emission from polymeric scattering gain media

被引:62
作者
Zacharakis, G [1 ]
Papadogiannis, NA [1 ]
Filippidis, G [1 ]
Papazoglou, TG [1 ]
机构
[1] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Div Laser & Applicat, GR-71110 Iraklion, Greece
关键词
D O I
10.1364/OL.25.000923
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The coherent properties of the temporally and spectrally narrowed emission of laser-induced fluorescence of organic dyes hosted inside artificial scattering matrices (random lasers) were investigated. The excitation source was a frequency-doubled 200-fs pulsed laser emitting at 400 nm. Spectral and temporal features were simultaneously recorded with a spectrograph and a streak camera operating in photon-counting mode. Photon-number distributions were thus created. The temporal coherence of the laserlike emission above and below the excitation energy threshold was investigated from the photon-number distribution that was obtained. (C) 2000 Optical Society of America. OCIS codes: 030.5290, 030.5260, 170.6510, 170.6280.
引用
收藏
页码:923 / 925
页数:3
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