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Conferences > CLEO > 2002 > CFD > CFD3
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2002),
  • paper CFD3

Towards an Apertureless Electro-optic T-ray Microscope

Tao Yuan, Samuel Mickan, JinZhou Xu, Derek Abbott, and X.-C. Zhang

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Abstract

Using the sub-wavelength aperture near field method, the resolution of THz image has been improved to much less than the wavelength or even to 7-μm1,2 in last several years. However the transmitted power of this method is very low, and the detection antenna has to be very close to the aperture.3 We demonstrate another kind of near field method: ultrafast laser is focused to a very small spot so that THz waves only generate in this region. The idea spatial resolution is close to the focus spot size.

© 2002 Optical Society of America

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