科研之友
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摘要
We analyze second harmonic generation in a generic medium composed of Lorentz oscillators for both the electrical permittivity and magnetic permeability. We discuss conditions where a fundamental beam is tuned in a positive index region and generates second and/or third harmonics in a negative index region. Phase matching condition, phase locking, inhibition of absorption at the harmonic wavelengths, and second and third harmonic lenses are also investigated.
- 出版日期2010-8
