ALMA Band-1 (35-50GHz) receiver: first light, performance, and road to completion

Yau-De Huang; Yuh-Jing Hwang; Chau-Ching Chiong; Hsi-Wei Yen; Patrick Michel Koch; Chi-Den Huang; Bill Liu; Cheng Lin Chen; Jwu Jiun Tsai; Wei-Ling Hsiung; Li-Pin Chi; Chin-Ting Ho; Chao-Chin Wang; Chen Chien; You-Hua Chu; Paul Ho; Francisca Kemper; Oscar Morata; Alvaro Gonzalez; Satoru Iguchi; Yoshi Uzawa; Daisuke Iono; Hiroshi Nagai; John Effland; Kamaljeet Saini; Marian Pospieszalski; Doug Henke; Keith Yeung; Ricardo Finger; Valeria Tapia; Nicolas Reyes; Giorgio Siringo; Gianni Marconi; Rodrigo Cabezas

doi:10.1117/12.2629766

1 September 2022 ALMA Band-1 (35-50GHz) receiver: first light, performance, and road to completion

Yau-De Huang, Yuh-Jing Hwang, Chau-Ching Chiong, Hsi-Wei Yen, Patrick Michel Koch, Chi-Den Huang, Bill Liu, Cheng Lin Chen, Jwu Jiun Tsai, Wei-Ling Hsiung, Li-Pin Chi, Chin-Ting Ho, Chao-Chin Wang, Chen Chien, You-Hua Chu, Paul Ho, Francisca Kemper, Oscar Morata, Alvaro Gonzalez, Satoru Iguchi, Yoshi Uzawa, Daisuke Iono, Hiroshi Nagai, John Effland, Kamaljeet Saini, Marian Pospieszalski, Doug Henke, Keith Yeung, Ricardo Finger, Valeria Tapia, Nicolas Reyes, Giorgio Siringo, Gianni Marconi, Rodrigo Cabezas

Author Affiliations +

Proceedings Volume 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; 121900K (2022) https://doi.org/10.1117/12.2629766
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Atacama large millimeter/submillimeter array (ALMA) band-1 receiver covers the frequency band between 35-50 GHz. An extension of up to 52 GHz is on a best-effort basis. Covering the longest wavelengths visible with ALMA, this receiver is enabling studies of dust grain evolution in proto-planetary systems probing dust grain sizes close to 1 cm, and with multiple red-shifted molecular lines it will open up a new window in the high-redshift universe. The band-1 project has recently achieved first light and with this passed a major project milestone. We present the challenges, from initial development to prototype, to establishing the infrastructure, integration, and evaluation of 73 production receiver units, and to the final tasks to complete the project. We conclude with the initial performance and characterization of the first band-1 receivers installed on ALMA.

Conference Presentation

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Yau-De Huang, Yuh-Jing Hwang, Chau-Ching Chiong, Hsi-Wei Yen, Patrick Michel Koch, Chi-Den Huang, Bill Liu, Cheng Lin Chen, Jwu Jiun Tsai, Wei-Ling Hsiung, Li-Pin Chi, Chin-Ting Ho, Chao-Chin Wang, Chen Chien, You-Hua Chu, Paul Ho, Francisca Kemper, Oscar Morata, Alvaro Gonzalez, Satoru Iguchi, Yoshi Uzawa, Daisuke Iono, Hiroshi Nagai, John Effland, Kamaljeet Saini, Marian Pospieszalski, Doug Henke, Keith Yeung, Ricardo Finger, Valeria Tapia, Nicolas Reyes, Giorgio Siringo, Gianni Marconi, and Rodrigo Cabezas "ALMA Band-1 (35-50GHz) receiver: first light, performance, and road to completion", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121900K (1 September 2022); https://doi.org/10.1117/12.2629766

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