Optical design and verification of a 4mm receiver for the 20m telescope at Onsala Space Observatory

George W. Walker; Eimante Kalinauskaite; Darragh N. McCarthy; Neil A. Trappe; Anthony Murphy; Leif Helldner; Miroslav G. Pantaleev; Jonas Flygare

doi:10.1117/12.2232576

19 July 2016 Optical design and verification of a 4mm receiver for the 20m telescope at Onsala Space Observatory

George W. Walker, Eimante Kalinauskaite, Darragh N. McCarthy, Neil A. Trappe, Anthony Murphy, Leif Helldner, Miroslav G. Pantaleev, Jonas Flygare

Author Affiliations +

Proceedings Volume 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII; 99142V (2016) https://doi.org/10.1117/12.2232576
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The work of this research is the design, analysis and verification of the optical performance of a 4mmreceiver channel for the 20 m telescope at Onsala Space Observatory, Onsala, Sweden. The 4 mm (75 GHz) receiver is a newly proposed channel designed to be installed parallel to the existing 3 mm (100 GHz) channel targeting new science at that longer wavelength. Gaussian beam mode analysis is used to produce the fundamental optical design of the system. The design is then analysed more accurately with the physical optics approximation. We report on the comparison of simulation and measurement and verification of the system design.

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George W. Walker, Eimante Kalinauskaite, Darragh N. McCarthy, Neil A. Trappe, Anthony Murphy, Leif Helldner, Miroslav G. Pantaleev, and Jonas Flygare "Optical design and verification of a 4mm receiver for the 20m telescope at Onsala Space Observatory", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99142V (19 July 2016); https://doi.org/10.1117/12.2232576

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