【摘要】 10.6μm波段扫描负折射功率的实时探测系统在实验上为探测光子晶体光频波段负折射现象提供了实验平台。该系统采用VB编写控制程序,通过数据采集卡实现计算机对旋转台及平移台的控制,在以光子晶体样品为探测中心的轨道上,对折射光的整个空间功率分布进行实时采集、绘图。根据折射光最大光功率出现的位置,判断该光子晶体样品是否产生负折射现象。这一实验系统能够精确便捷地实现负折射现象在光频波段的探测。更多还原

【Abstract】 Real-time detection system in 10.6μm which is applied for scanning the power of negative refraction provides an experimental platform of negative refraction detection of photonic crystal in optical frequency.The control interface for the system is programmed in Visual Basic language.The system is controlled by computer to move accurately and perform real-time sampling and drawing the power of the refractive light automatically.The method of scanning is credible and accurate.更多还原