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Empirical silicon absorption (Green and Keevers): This option automatically obtains the frequency-dependent real and imaginary components of the refractive index and computes the absorption and associate carrier generation. This model is most appropriate for intrinsic silicon at temperatures around 300 K.
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User-defined absorption: This option enables the user to specify the absorption. The photogeneration rate is then computed and the extra carriers are added to the model automatically via an extra generation term. You can either supply the imaginary part of the refractive index or the absorption coefficient.
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Imaginary part of refractive index n (dimensionless).
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Absorption coefficient α (SI unit: 1/m).
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Real part of the refractive index k (dimensionless).
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For User-defined frequency, enter the excitation frequency, f0 (SI unit: Hz). The default is 375 GHz.
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