Frontiers of Optoelectronics, 2008, 1 (1): 101, 网络出版: 2012-11-06  

Investigation of spectral bandwidth of BBO-I phase matching non-collinear optical parametric amplification from visible to near-infrared

Investigation of spectral bandwidth of BBO-I phase matching non-collinear optical parametric amplification from visible to near-infrared
作者单位
College of Precision Instrument and Opto-electronics Engineering, Key Laboratory of Optoelectronics Information and Technical Science, Tianjin University, Tianjin 300072, China
摘要
Abstract
Laser sources which have high power, short time duration and are broadly tunable are needed for the application of ultra-fast lasers. Femtosecond optical parametric amplification (OPA) is one of the most important techniques to produce broadly tunable and several femtosecond laser pulses. To obtain an extremely short pulse, the femtosecond OPA should adequately support a large spectral bandwidth. Ultra-broadband type-I phase matching OPA based on BBO was theoretically investigated. The achromatic phase matching (APM) technology was introduced to femtosecond OPA, and a broadband phase matching condition was given when the signal beams were angularly dispersed. The methods were presented to choose the optimized non-collinear angle and angular dispersion. Effects of non-collinear angle and rate of angular dispersion to the parametric bandwidth were also discussed. The results indicate that a proper non-collinear angle of the noncollinear optical parametric amplifier (NOPA) and getting signal beams dispersed at the right rate in nearinfrared conditions can increase the parametric bandwidth dramatically.

Bo LIU, Ruobing ZHANG, Huagang LIU, Jing MA, Chen ZHU, Qingyue WANG. Investigation of spectral bandwidth of BBO-I phase matching non-collinear optical parametric amplification from visible to near-infrared[J]. Frontiers of Optoelectronics, 2008, 1(1): 101. Bo LIU, Ruobing ZHANG, Huagang LIU, Jing MA, Chen ZHU, Qingyue WANG. Investigation of spectral bandwidth of BBO-I phase matching non-collinear optical parametric amplification from visible to near-infrared[J]. Frontiers of Optoelectronics, 2008, 1(1): 101.

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