Realization of multiplying type interferometer with 2-elements 0.3K bolometer detectores

Yuan Luo, Makoto Hattori, Izumi S. Ohta, Yuji Chinonel, Junichi Takahashi, Yoshihiro Hamaji, Hiroshi Matsuo, Nario Kuno

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

We have developed two-elements 0.3K high sensitive bolometer detectors system optimized to Multi-Fourier Transform interferometer (MuFT) to realize the multiplying type bolometric astronomical interferometer in millimeter and submillimeter wave bands. A wiregrid polarizer is set in the detector system. The signal led to the bolometer detectors system is then divided into two parts. One of the two bolometer elements receives the reflected signal while the other receives the transmitted signal. Since phases of mutual coherence functions in two signals are shifted π ,the difference of reflected and transmitted signals reproduces full mutual coherence function and can easily remove the baseline fluctuations. This method is for the first time succeeded in moon observation at Nobeyama Radio Observatory, Japan, 2007.

本文言語English
ホスト出版物のタイトル2008 Global Symposium on Millimeter Waves, Proceeding, GSMM 2008
出版社IEEE Computer Society
ページ213-215
ページ数3
ISBN(印刷版)9781424418855
DOI
出版ステータスPublished - 2008
イベント2008 Global Symposium on Millimeter Waves, GSMM 2008 - Nanjing, China
継続期間: 2008 4 212008 4 24

出版物シリーズ

名前2008 Global Symposium on Millimeter Waves, Proceeding, GSMM 2008

Other

Other2008 Global Symposium on Millimeter Waves, GSMM 2008
CountryChina
CityNanjing
Period08/4/2108/4/24

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Communication

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