期刊
OPTICS EXPRESS
卷 22, 期 8, 页码 8949-8961出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.008949
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资金
- National Research Foundation, Prime Ministers Office, Singapore [NRF2012NRF-CRP001-040]
This paper presents and compares two basis systems, spherical harmonics and plane waves, for studying diverging and converging beams in an optical system. We show a similarity between a converging field and the time reversed field of a radiation field. We present and analyze the differences between the Debye-Wolf diffraction integral and the multipole theory for focusing of polarized light. The Debye-Wolf diffraction integral gives a well-known anomalous behavior on the optical axis and at the edge of the focused beam that can be avoided by using the multipole theory. (C) 2014 Optical Society of America
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