Self-mixing imaging using a terahertz quantum cascade amplifier

Wallis, Robert and Ren, Yuan and Jessop, David S. and Degl'Innocenti, Riccardo and Klimont, Adam and Beere, Harvey E. and Ritchie, David A. (2015) Self-mixing imaging using a terahertz quantum cascade amplifier. In: IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves :. Institute of Electrical and Electronics Engineers Inc., CHN. ISBN 9781479982721

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Abstract

We demonstrate a terahertz imaging system utilizing self-mixing in a 2.9 THz quantum cascade amplifier, through the use of an anti-reflection coated silicon lens to completely suppress lasing action. The fully exploited optical gain of the quantum cascade amplifier allows induced voltage perturbations to be spatially mapped with a signal to noise ratio of up to 55 dB and an acquisition rate of up to 20,000 pixels per second.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3108
Subjects:
?? radiationcomputer networks and communications ??
ID Code:
89628
Deposited By:
Deposited On:
10 Jan 2018 14:58
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Sep 2024 12:50