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2005年02月25日

【期刊论文】Spatial chirp and angular dispersion of a laser crystal for a four-mirror cavity Kerr-lens mode-locked laser

章若冰, Ruobing Zhang, Jing Ma, Dongqing Pang, Jinghua Sun, and Qingyue Wang

APPLIED OPTICS/Vol. 43, No.10/1 April 2004,-0001,():

-1年11月30日

摘要

We describe oscillating loops in a laser cavity and optical paths in a laser crystal of different wavelength rays for a four-mirror cavity Kerr-lens mode-locked laser. The relation between different wavelength ray paths and laser resonator parameters is deduced. The analytical expressions of second- and thirdorder dispersion including angular dispersion of the crystal are presented. The variations of group-delay dispersion (GDD) and third-order dispersion (TOD) with cavity parameters are calculated exactly. The calculation shows that GDD and TOD increase rapidly when the spacing between two folding mirrors approaches the boundary of a cavity stability zone. The rapid dispersion increase influences the modelocked pulse width and the mode-locked stability.

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2005年02月25日

【期刊论文】非布儒斯特角情况下四棱镜组二阶、三阶色散的解析表示*

章若冰, 虎冬青, 孙敬华, 王清月, 张树葵, 文国庆

物理学报,2000,49(3):469~474,-0001,():

-1年11月30日

摘要

给出非布儒斯特角情况下四棱镜组二阶、三阶色散的解析表示,并给出改变入射角和入射波长以及棱镜顶角对二阶、三阶色散的影响。

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2005年02月25日

【期刊论文】Analytical expressions of quadratic and cubic phases in a three-element resonator for Kerr-lens mode locking

章若冰, Ruo-Bing Zhang, Jing-Hua Sun, Dong-Qing Pang, Jian-Ming Dai, and Qing-Yue Wang

APPLIED OPTICS/Vol. 40, No.3/20 January 2001,-0001,():

-1年11月30日

摘要

We present analytical expressions of quadratic and cubic phases in a three-element resonator for Kerrlens mode locking. Variation of quadratic and cubic phases with wedge angles of Ti: sapphire and apex angles of a prismatic output coupler are calculated. The results provide a theoretical basis for the design of a three-element cavity.

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2005年02月25日

【期刊论文】Theoretical analysis of a noncollinear phase-matched optical parametric amplifier seeded by an optical parametric generation

章若冰, Ruobing Zhang, Dongqing Pang, and Qingyue Wang

APPLIED OPTICS/Vol. 41, No.6/20 February 2002,-0001,():

-1年11月30日

摘要

We have theoretically analyzed the characteristics of an optical parametric amplifier system seeded by an optical parametric generation. We investigated the influences of the energy, pulse duration, material dispersion, and the third-order nonlinear effect in β-barium borate. The group-velocity mismatch (GVM) becomes the most important factor for the amplification of bandwidths. Even though tilting the wave front of the pump can decrease the GVM, it seems impossible to generate pulses smaller than 10-fs with 400-nm pumping. However, 10-fs pulses can be achieved with a 30-fs pump duration with pumping at 800nm.

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2005年02月25日

【期刊论文】Group velocity matching in type-III phase-matching geometry in BBO☆

章若冰, Dong-Qing Pang, Ruo-Bing Zhang*, Jing Ma, Wei-Li Zhang, Qing-Yue Wang

Optics Communications 211(2002)319-322,-0001,():

-1年11月30日

摘要

In this paper, we investigate the group velocity matching based on tilting pulse front in type-III collinear phasematching configuration in BBO crystal. The design seems simple and practicable.

Phase-matching condition, Tilted wave-front, Nonlinear Optics

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    天津大学,天津

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