Study of absorption and reflection in solid-state random laser media |
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| Authors: | Noginov M A Bahoura Messaoud Noginova Natalia Drachev Vladimir P |
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| Affiliation: | Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504, USA. mnoginov@nsu.edu |
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| Abstract: | Comparing the absorption spectrum of a single-crystalline material and the reflection spectrum of its powder, we have derived a simple empirical formula for the reflection coefficient of absorbing powder. The proposed equation, which slightly resembles the Lambert-Beer law for transmission, does not correspond to the equation derived in the approximation of a simple one-dimensional diffusion model. |
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