FINER (Far-Infrared Nebular Emission Receiver) is a dual-polarization sideband-separating superconductor-insulator-superconductor (SIS) mixer receiver for the Large Millimeter Telescope (LMT) in Mexico. By exploiting the ALMA’s new wideband sensitivity upgrade (WSU) technology, FINER covers a wide range in radio frequencies from 120−350 GHz, with an instantaneous intermediate frequency (IF) of 4−20.5 GHz per sideband per polarization, providing 40% of ALMAʼs light-collecting area, a similar atmospheric transmittance to ALMA, and a 5 times wider bandwidth than ALMA, which offers the highest spectral scanning capability in the northern hemisphere.

FINER project has been funded by JSPS since 2022 and plans to deliver the receiver system to the LMT in early 2025.

PIs

• Yoichi Tamura (Nagoya University)
• Takeshi Sakai (The University of Electro-Communications)

Development Team

• Masato Hagimoto (Nagoya University)
• Ryohei Kawabe (NAOJ)
• Takafumi Kojima (NAOJ)
• Tac Nakajima (Nagoya University)
• Norika Okauchi (Nagoya University)
• Tai Oshima (NAOJ)
• Wenlei Shan (NAOJ)
• Tatsuya Takekoshi (Kitami Institute of Technology)
• Kunihiko Tanaka (Keio University)
• Akio Taniguchi (Nagoya University)

Science Team

• Tom J.L.C. Bakx (Chalmers University of Technology)
• Yoshinobu Fudamoto (Waseda University/NAOJ)
• Chihiro Imamura (Nagoya University)
• Yuichi Harikane (The University of Tokyo)
• Takuya Hashimoto (Tsukuba University)
• Bunyo Hatsukade (NAOJ)
• Akio K. Inoue (Waseda University)
• Kotaro Kohno (The University of Tokyo)
• Yuichi Matsuda (NAOJ)
• Ken Mawatari (Tsukuba University)
• Kotomi Taniguchi (NAOJ)
• Akiyoshi Tsujita (The University of Tokyo)
• Hideki Umehata (Nagoya University)
• Teppei Yonetsu (Osaka Metropolitan University)
• Yuki Yoshimura (The University of Tokyo)

Contact

• Yoichi Tamura
  • Department of Physics, Nagoya University
  • Email: ytamura (at) nagoya-u.jp