Wide dynamic range terahertz detector pixel for active spectroscopic imaging with quantum cascade lasers

[摘要]：A superconducting bolometer with an on-chip lithographic terahertz antenna has been illuminated by two quantum cascade lasers operating at 2.5 and 4.4 THz. The detector displays a 1.2 mu s time constant, a noise equivalent power of 20 fW/Hz(1/2) and a 60

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