High Power Laser Science and Engineering, 2014, 2 (4): 04000e38, Published Online: Jan. 13, 2015  

Independent and continuous third-order dispersion compensation using a pair of prisms Download: 730次

Author Affiliations
National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, No. 390, Qinghe Road, Jiading District, Shanghai 201800, China
Abstract
The dispersion of a pair of prisms is analyzed by means of a ray-tracing method operating at other than tip-to-tip propagation of the prisms, taking into consideration the limited spectral bandwidth. The variations of the group delay dispersion and the third-order dispersion for a pair of prisms are calculated with respect to the incident position and the separation between the prisms. The pair of prisms can provide a wide range of independent and continuous third-order dispersion compensation. The effect of residual third-order dispersion on the pulse contrast ratio and pulse duration is also calculated. The residual third-order dispersion not only worsens the pulse contrast ratio, but also increases the pulse duration to the hundreds of femtosecond range for a tens of femtosecond pulse, even when the residual thirdorder dispersion is small. These phenomena are helpful in compensating for the residual high-order dispersion and in understanding its effect on pulse contrast ratios and pulse durations in ultrashort laser systems.

Qingwei Yang, Xinglong Xie, Jun Kang, Haidong Zhu, Ailin Guo, Qi Gao. Independent and continuous third-order dispersion compensation using a pair of prisms[J]. High Power Laser Science and Engineering, 2014, 2(4): 04000e38.

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