Optical Fibre Mode Structures Measured by Collection Mode Near-Field Scanning Optical Microscopy
TANG Lin, BAI Ming, MING Hai, XIE Jian-Ping
Department of Physics, University of Science and Technology
of China, Hefei 230026
Optical Fibre Mode Structures Measured by Collection Mode Near-Field Scanning Optical Microscopy
TANG Lin;BAI Ming;MING Hai;XIE Jian-Ping
Department of Physics, University of Science and Technology
of China, Hefei 230026
关键词 ：
07.79.Fc ,
42.81.Cn ,
42.30.Va
Abstract ： High order fibre mode structures are measured by a near-field scanning optical microscope (NSOM) and are determined to be consistent with the standard fibre LP patterns. The mode-field distortions of high-order mode LP11 and LP21 structures by far-field measurement are analysed based on scalar diffraction theory, and the max distortions may reach as high as 5.1% and 6.2%. This shows that the method of using the NSOM is more accuracy than the far-field measurement method, especially for high-order mode structures of optical fibres.
Key words ：
07.79.Fc
42.81.Cn
42.30.Va
出版日期: 2003-09-01
:
07.79.Fc
(Near-field scanning optical microscopes)
42.81.Cn
(Fiber testing and measurement of fiber parameters)
42.30.Va
(Image forming and processing)
引用本文:
TANG Lin;BAI Ming;MING Hai;XIE Jian-Ping. Optical Fibre Mode Structures Measured by Collection Mode Near-Field Scanning Optical Microscopy[J]. 中国物理快报, 2003, 20(9): 1456-1458.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I9/1456
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