Abstract
To inhibit the radiant infrared energy between 8 and 14μm, which is the infrared atmospheric window, and decrease the echo power of detecting laser and radar, to achieve compatible stealth, a doping structural one-dimensional photonic crystal (1-D PC) with Ge, ZnSe and Si was fabricated; and then combine it with radar absorbing material (RAM) to make a compound. After that, the reflection spectra of this compound was tested, and the result shows a high average reflectance (89.5%) in 8–14μm waveband, and a reflective valley (39.8%) in the wavelength of 10.6μm, which is the wavelength of CO2 laser; and the reflectance in radar band shows that at high frequency, especially between 7.8 and 18GHz, the radar power is strongly absorbed by this material and the reflected energy attenuate over 10dB within the range from 11.1GHz to 18.3GHz, even 24.5dB to the most in the frequency of 14.6GHz.
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