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how to synthesize a OAM light in COMSOL

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Hi,everyone:
I have designed a circular photonic crystal fibe,and i can get the the effective refractive indices of the fiber eigenmodes,but i want to analyze the OAM light through its intensity distribution.however, the OAM light synthetic formula is ( even mode ± j ⋅odd mode ),how can i do to get the The superposition of eigenmodes.
pleale give me some suggestions.

1 Reply Last Post 5 sept. 2017, 06:14 UTC−4
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Hello 慧 李

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Posted: 7 years ago 5 sept. 2017, 06:14 UTC−4
Updated: 7 years ago 5 sept. 2017, 06:14 UTC−4
hi;
you posted this post last year:''Hi,everyone:
I have designed a circular photonic crystal fibe,and i can get the the effective refractive indices of the fiber eigenmodes,but i want to analyze the OAM light through its intensity distribution.however, the OAM light synthetic formula is ( even mode ± j ⋅odd mode ),how can i do to get the The superposition of eigenmodes.
pleale give me some suggestions.'

did you resolve this problem; can you help me please?
hi; you posted this post last year:''Hi,everyone: I have designed a circular photonic crystal fibe,and i can get the the effective refractive indices of the fiber eigenmodes,but i want to analyze the OAM light through its intensity distribution.however, the OAM light synthetic formula is ( even mode ± j ⋅odd mode ),how can i do to get the The superposition of eigenmodes. pleale give me some suggestions.' did you resolve this problem; can you help me please?

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