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Characterization of a Fiber Bragg Grating for Use in a THz Spectrometer

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5 Author(s)
Shu Fan Zhou ; Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong ; Laurence Reekie ; Hau Ping Chan ; Kwai Man Luk
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The scattering property of a terahertz fiber Bragg grating is characterized. The grating is written in subwavelength polymer fiber with a length of 160 periods. The measured full width at half maximum of the radiated beam is approximately 4 GHz, which may be extended by increasing the grating length. Such a grating shall be used in a spectrometer for the terahertz range.

Published in:

IEEE Photonics Technology Letters  (Volume:25 ,  Issue: 8 )