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  • Title: Terahertz spectrum analyzer based on frequency and power measurement.
    Author: Yee DS, Jang Y, Kim Y, Seo DC.
    Journal: Opt Lett; 2010 Aug 01; 35(15):2532-4. PubMed ID: 20680048.
    Abstract:
    We demonstrate a terahertz (THz) spectrum analyzer based on frequency and power measurement. A power spectrum of a continuous THz wave is measured through optical heterodyne detection using an electromagnetic THz frequency comb and a bolometer and power measurement using a bolometer with a calibrated responsivity. The THz spectrum analyzer has a frequency precision of 1x10(-11), a frequency resolution of 1Hz, a frequency band up to 1.7THz, and an optical noise equivalent power of approximately 1 pW/Hz(1/2).
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