Experiment on terahertz imaging with an NbN SIS detector

A simple imaging system operating at 0.5 THz band, utilizing nearly quantum-limited sensitive NbN superconductor-insulator-superconductor (SIS) mixers, is demonstrated. The system is proved to have a spatial resolution of 2.7 mm and sensitivity of 1.6 K with a 100 mm diameter collecting Teflon lens....

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Bibliographic Details
Main Authors: Qi-Jun Yao, Zhen-Hui Lin, Jing Li, Sheng-Cai Shi
Format: Conference Proceeding
Language:English
Subjects:
Decision support systems
Optical imaging
Virtual reality
Online Access:Request full text
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Summary:A simple imaging system operating at 0.5 THz band, utilizing nearly quantum-limited sensitive NbN superconductor-insulator-superconductor (SIS) mixers, is demonstrated. The system is proved to have a spatial resolution of 2.7 mm and sensitivity of 1.6 K with a 100 mm diameter collecting Teflon lens. The results show that this imaging modality is applicable to diverse areas in active or passive mode.
DOI:10.1109/ISAPE.2008.4735257