Large-aperture THz emitter with interdigitated electrodes

We fabricated a large-aperture microstructured THz antenna array composed of seven units of 1-cm/sup 2/ photoconductive antennas having interdigitated electrodes with 10-/spl mu/m lines and spaces on a semi-insulating GaAs substrate. By illuminating it with amplified femtosecond optical pulses, a la...

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Main Authors: Hattori, T., Egawa, K., Sakamoto, M., Ookuma, S., Rungsawang, R., Itatani, T.
Format: Conference Proceeding
Language:English
Subjects:
Antenna arrays
Broadband antennas
Electrodes
Gallium arsenide
Laser excitation
Optical pulses
Photoconductivity
Pulse amplifiers
Space technology
Surface emitting lasers
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container_end_page 458 vol. 2
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container_start_page 457
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creator Hattori, T.
Egawa, K.
Sakamoto, M.
Ookuma, S.
Rungsawang, R.
Itatani, T.
description We fabricated a large-aperture microstructured THz antenna array composed of seven units of 1-cm/sup 2/ photoconductive antennas having interdigitated electrodes with 10-/spl mu/m lines and spaces on a semi-insulating GaAs substrate. By illuminating it with amplified femtosecond optical pulses, a large THz field comparable to that from conventional large-aperture emitters was obtained at a bias voltage as low as 30 V.
doi_str_mv 10.1109/ICIMW.2005.1572610
format conference_proceeding
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identifier ISSN: 2162-2027
ispartof 2005 Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005, Vol.2, p.457-458 vol. 2
issn 2162-2027
language eng
recordid cdi_ieee_primary_1572610
source IEEE Xplore All Conference Series
subjects Antenna arrays
Broadband antennas
Electrodes
Gallium arsenide
Laser excitation
Optical pulses
Photoconductivity
Pulse amplifiers
Space technology
Surface emitting lasers
title Large-aperture THz emitter with interdigitated electrodes
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