Superluminal pulse reflection from a weakly absorbing dielectric slab |
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Authors: | Wang Li-Gang Zhu Shi-Yao |
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Institution: | Department of Physics, Zhejiang University, Hangzhou, China. sxwlg@yahoo.com.cn |
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Abstract: | Group delay for a reflected light pulse from a weakly absorbing dielectric slab is theoretically investigated, and large negative group delay is found for weak absorption near a resonance of the slab Re(kd)=mpi]. The group delay for both the reflected and transmitted pulses will be saturated with an increase of the absorption. |
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