Deeply subwavelength terahertz solid immersion microscopy using rutile optics.
2023 IEEE PHOTONICS CONFERENCE, IPC(2023)
摘要
A rutile crystal is used to machine a solid immersion lens, boasting a very high refractive index of similar to 10 in the terahertz range. We further show experimentally that a solid immersion microscope using such a lens achieves a record-breaking spatial resolution of 0.06-0.11 wavelength.
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关键词
terahertz imaging,superresolution,solid immersion microscopy,rutile optics
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