S. Pelli, G. Righini, F. Quercioli, B. Tiribilli, M. Vassalli, M. Cremona, J. Pereira
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引用次数: 0
摘要
在我们的实验中，我们已经成功地利用He/sup +/离子束辐照在抛光的LiF晶体中产生光波导。光束被金属窗掩盖，产生约1毫米宽的大辐照条纹。辐照能量选择为1.1 MeV，因为它可以产生3 /spl μ m /m厚的波导，具有抛物线色中心，因此折射率分布，非常适合用于表征目的。
Optical waveguides in LiF by ion-beam irradiation: fabrication and characterisation
In our experiments, we have successfully managed to produce optical waveguides in polished LiF crystals by using He/sup +/ ion beam irradiation. The beam was masked by a metal window, producing large irradiated stripes about 1 mm wide. Irradiation energy was chosen to be 1.1 MeV, since it allowed to produce 3 /spl mu/m thick waveguides with a parabolic colour centre creation and thus refractive index profile, which was very suitable for characterisation purposes.
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