THEORY OF OUTPUT BEAM DIVERGENCE IN PULSED UNSTABLE RESONATORS

被引：27

作者：

EGGLESTON, JM

机构：

[1] Solidlite Corp, Redmond, WA, USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1988年 / 24卷 / 07期

关键词：

LASER PULSES - OPTICS;

D O I：

10.1109/3.967

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The evolution of the far-field pattern of pulsed large-Fresnel-number unstable resonators is analyzed. Both geometric optic and physical optic descriptions are given as a function of the number of trips around the unstable resonator. The analysis determines apparent size and distance to the image of the spontaneous emission source, as seen from the output aperture by looking back through multiple passes of the resonator. It is shown that this image is not obstructed by intervening apertures. The output far-field pattern is predicted to be the pattern generated by the output aperture when illuminated by incoherent light from the image of the spontaneous emission source. Far-field intensity patterns are analyzed for square and circular apertures, and the beam quality of the output is determined.

引用

页码：1302 / 1311

页数：10

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