Journal
APPLIED PHYSICS LETTERS
Volume 86, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1935032
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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. (c) 2005 American Institute of Physics.
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