Observation of Complex Optical Processes in ZnSe under Extreme Optical Excitation from a Kilojoule-Class Nd:Glass Laser
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概要
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In this paper, we report on three-photon fluorescence and the possible observation of other complex optical processes in a ZnSe crystal for a kilojoule-class, 100 ps pulse, Nd:glass laser excitation. The emission properties of the ZnSe crystal and its excitation energy dependence were investigated under low and high-energy excitations. A 15 to 10 nm full width at half maximum (FWHM) spectral collapse, a 5 nm blue shift, and a shortened lifetime of fluorescence under high-energy excitation could indicate an amplified spontaneous emission. These findings present the feasibility of investigating the dynamics and spectral properties of three-photon fluorescence and other complex nonlinear optical processes in ZnSe at an extremely high excitation energy.
- 2010-06-25
著者
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Furukawa Yusuke
Institute For Protein Research Osaka University
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Shimizu Toshihiko
Institute Of Laser Engineering Osaka University
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Nakazato Tomoharu
Institute Of Laser Engineering Osaka University
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Yusuke Furukawa
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Elmer Estacio
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Toshihiko Shimizu
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Tomoharu Nakazato
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Marilou Cadatal-Raduban
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Nobuhiko Sarukura
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Akiyuki Shiroshita
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Kazuto Otani
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Toshihiko Kadono
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Keisuke Shigemori
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Hiroshi Azechi
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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