Abstract
A novel reflected terahertz-emission microscopy is proposed anddeveloped for improving the spatial resolution of THz imaging. Whenattaching a bow-tie antenna directly onto a thin generation crystal,the reflected THz waves can be collected and detected by aphotoconductive antenna, and the spatial resolution is decided by thediameter of focused pump beam. In this way, the detected resolution canbe largely improved and tunable. The configuration and characteristicsof this microscopy are described in detail.
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