Simple analytical method of cavity design for astigmatism-compensated Kerr-lens mode-locked ring lasers and its applications

University of Taipei > 理學院 > 應用物理暨化學學系暨碩士班 > 期刊論文 > Item 987654321/2628

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題名:	Simple analytical method of cavity design for astigmatism-compensated Kerr-lens mode-locked ring lasers and its applications
作者:	Kuei-Huei Lin Yinchieh Lai Wen-Feng Hsieh 林奎輝謝文峰
貢獻者:	臺北市立教育大學自然科學系
日期:	1995
上傳時間:	2009-07-31 13:29:20 (UTC+8)
摘要:	An analytical method based on a renormalized q parameter for Gaussian-beam propagation and properly matched self-consistent complex q parameters is proposed to aid in the design of arbitrary-astigmatism-compensated Kerr-lens mode-locked ring cavity lasers. The q parameters throughout the ring cavity can be calculated by solution of an algebraically quadratic equation for an arbitrarily thick Kerr medium when the intracavity laser power is less than the self-trapping power. The Kerr-lens mode-locking strength at the curved mirror was calculated over the stable range. The results indicate that the astigmatism is best compensated so that the stable range of x and y directions have optimal overlapping. Although to maximize the hard-aperturing effect the curved mirror separation must be at the far edge of the stable range, pump and cavity field matching inside the Kerr medium is also necessary. In addition, the insertion of a vertical slit is more effective than insertion of a horizontal slit. A spiking phenomenon is found in the intracavity z scan curve, which can be observed only with thick Kerr materials and a high laser power.
關聯:	JOSA B, V12(3), p.468-475
顯示於類別:	[應用物理暨化學學系暨碩士班] 期刊論文

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