標題: Direct focusing modifications of elliptical Gaussian beam by non-circular apertures
作者: Chan, SH
Shiue, SG
Lu, MH
光電工程學系
Department of Photonics
公開日期: 1-十一月-1998
摘要: For focusing the elliptical Gaussian beam directly, the effects of a non-circular aperture on the focusing properties are studied. The focusing properties for different shapes of apertures, which include a circle, an ellipse and a rectangle, are calculated and compared. Moreover, for different elliptical Gaussian beams, an empirical aperture selection rule that can be used to circularize the focusing spot is proposed. The energy transmission ratios are also considered in this paper.
URI: http://hdl.handle.net/11536/31797
ISSN: 0950-0340
期刊: JOURNAL OF MODERN OPTICS
Volume: 45
Issue: 11
起始頁: 2379
結束頁: 2387
顯示於類別:期刊論文


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