Reflection and Refraction of Light in Absorbing Media
The results of a rigorous calculation of optical phenomena in absorbing media based on Maxwell’s equations are reported. In the case of an absorbing dielectric, we assume a complex dielectric constant. We find an expression for the angle of refraction as a function of the incident angle and the real...
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| Veröffentlicht in: | Journal of the Physical Society of Japan 2018-05, Vol.87 (5), p.54401 |
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| container_title | Journal of the Physical Society of Japan |
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| creator | Katsumata, Koichi Sasaki, Shosuke |
| description | The results of a rigorous calculation of optical phenomena in absorbing media based on Maxwell’s equations are reported. In the case of an absorbing dielectric, we assume a complex dielectric constant. We find an expression for the angle of refraction as a function of the incident angle and the real and imaginary parts of the complex dielectric constant, all of which are real. The amplitudes of the reflected and transmitted waves are calculated on the same footing. These amplitudes are shown to be complex, from which we deduce the magnitude and phase change of the reflection and transmission coefficients. The same argument applies to an absorbing magnetic material if we replace the complex dielectric constant by a complex magnetic permeability. |
| doi_str_mv | 10.7566/JPSJ.87.054401 |
| format | Article |
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In the case of an absorbing dielectric, we assume a complex dielectric constant. We find an expression for the angle of refraction as a function of the incident angle and the real and imaginary parts of the complex dielectric constant, all of which are real. The amplitudes of the reflected and transmitted waves are calculated on the same footing. These amplitudes are shown to be complex, from which we deduce the magnitude and phase change of the reflection and transmission coefficients. 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In the case of an absorbing dielectric, we assume a complex dielectric constant. We find an expression for the angle of refraction as a function of the incident angle and the real and imaginary parts of the complex dielectric constant, all of which are real. The amplitudes of the reflected and transmitted waves are calculated on the same footing. These amplitudes are shown to be complex, from which we deduce the magnitude and phase change of the reflection and transmission coefficients. 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In the case of an absorbing dielectric, we assume a complex dielectric constant. We find an expression for the angle of refraction as a function of the incident angle and the real and imaginary parts of the complex dielectric constant, all of which are real. The amplitudes of the reflected and transmitted waves are calculated on the same footing. These amplitudes are shown to be complex, from which we deduce the magnitude and phase change of the reflection and transmission coefficients. The same argument applies to an absorbing magnetic material if we replace the complex dielectric constant by a complex magnetic permeability.</abstract><cop>Tokyo</cop><pub>The Physical Society of Japan</pub><doi>10.7566/JPSJ.87.054401</doi></addata></record> |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Amplitudes Dielectrics Light reflection Magnetic materials Magnetic permeability Magnetism Mathematical analysis Optics Permittivity Phase transitions Refraction |
| title | Reflection and Refraction of Light in Absorbing Media |
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