Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/Terahertz spectroscopy

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Terahertz frequency radiation for spectroscopy is typically generated in one of three ways:

  • time domain terahertz spectroscopy (TDTS), using ultrashort laser pulses
  • photomixing, mixing two radiation sources to generate their difference frequency
  • Fourier transform spectroscopy, using a blackbody radiation source
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