Rectangular-shaped sub-wavelength terahertz beam profiling via an all-optical knife-edge technique

An all-optical, sub-wavelength terahertz characterization technique based on an ultrathin- knife-edge is demonstrated employing ultraviolet-pulse to project the blade image on a ZnTe crystal, where the free carriers excited on a blade-shaped area act as field-shield.

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Bibliographic Details
Main Authors: Ali, Jalil, Ho, Sze Phing
Format: Article
Published: Optical Society of American (OSA) 2014
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Online Access:http://eprints.utm.my/id/eprint/62412/
http://dx.doi.org/10.1364/CLEO_AT.2014.JTh2A.61
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Institution: Universiti Teknologi Malaysia