A Fourier transform spectrometer for site testing at Dome A

Xin-Xing Li; Scott Paine; Qi-Jun Yao; Sheng-Cai Shi; Hiroshi Matsuo; Ji Yang; Qi-Zhou Zhang

doi:10.1117/12.835103

4 August 2009 A Fourier transform spectrometer for site testing at Dome A

Xin-Xing Li, Scott Paine, Qi-Jun Yao, Sheng-Cai Shi, Hiroshi Matsuo, Ji Yang, Qi-Zhou Zhang

Proceedings Volume 7385, International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications; 73851D (2009) https://doi.org/10.1117/12.835103
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Observations in tera-hertz astronomy can only be done at a site with good atmospheric transmission at millimeter and submillimeter wavelengths. With extremely dry weather and calm atmosphere resulted by high altitude and cold temperature, Dome A (or Dome Argus), Antarctica, is possibly the best site on this earth for THz astronomy. To evaluate the site condition there, we are constructing a Fourier Transform Spectrometer (FTS) based on Martin-Puplett interferometer to measure the atmospheric transmission in the frequency range of 0.75~15THz. The whole FTS system is designed for unattended and outdoor (temperatures even below -70 degrees Celsius) operation. Its total power consumption is estimated to be approximately 200W. This contribution will give a brief overview of this FTS development.

Citation Download Citation

Xin-Xing Li, Scott Paine, Qi-Jun Yao, Sheng-Cai Shi, Hiroshi Matsuo, Ji Yang, and Qi-Zhou Zhang "A Fourier transform spectrometer for site testing at Dome A", Proc. SPIE 7385, International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications, 73851D (4 August 2009); https://doi.org/10.1117/12.835103

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