Terahertz spectroscopy with a holographic Fourier transform spectrometer plus array detector using coherent synchrotron radiation.

ABSTRACT

By use of coherent terahertz synchrotron radiation, we experimentally tested a holographic Fourier transform spectrometer coupled to an array detector to determine its viability as a spectral device. Somewhat surprisingly, the overall performance strongly depends on the absorptivity of the birefringent lithium tantalate pixels in the array detector.