Continuous-wave terahertz system with a 60 dB dynamic range

We have developed a high-performance continuous-wave terahertz imaging system based on photomixing. The emitter and detector are driven by compact, unstabilized, single-mode diode lasers. The all-optoelectronic, homodyne detection scheme yields both amplitude and phase information, and with careful...

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Published in:Applied physics letters 2005-05, Vol.86 (20), p.204104-204104-3
Main Authors: Gregory, I. S., Tribe, W. R., Baker, C., Cole, B. E., Evans, M. J., Spencer, L., Pepper, M., Missous, M.
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cited_by cdi_FETCH-LOGICAL-c284t-bab8c5e070ca54e35e594ab8c7bb02886e81f5ddf98eef3a14161f3687c4b0e63
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container_end_page 204104-3
container_issue 20
container_start_page 204104
container_title Applied physics letters
container_volume 86
creator Gregory, I. S.
Tribe, W. R.
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Cole, B. E.
Evans, M. J.
Spencer, L.
Pepper, M.
Missous, M.
description We have developed a high-performance continuous-wave terahertz imaging system based on photomixing. The emitter and detector are driven by compact, unstabilized, single-mode diode lasers. The all-optoelectronic, homodyne detection scheme yields both amplitude and phase information, and with careful optimization and matching of both emitter and receiver, a 60 dB dynamic range, at 0.53 THz, can be routinely achieved. This replicates the performance of established pulsed THz imagers at this frequency.
doi_str_mv 10.1063/1.1935032
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title Continuous-wave terahertz system with a 60 dB dynamic range
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