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The meaning of imaginary part of refractive index in COMSOL

Posted 2017年8月21日 GMT-4 16:35 Wave Optics Version 5.2a, Version 5.3 0 Replies

Cheng Li
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What's the meaning of imaginary part of n in COMSOL and the convention? What does positive or negative of imaginary part stand for? Gain, losses, scattering, reflection or what else?

For example, my work is about simlution of microresonator. And the extinction coefficient of water is 1.4680e-8. So what should I set the imaginary part, -1.4680e-8 or 1.4680e-8?

Thank you so much.
0 Replies Last Post 2017年8月21日 GMT-4 16:35
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Hello Cheng Li

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