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A 0.4K Bolometer Receiver for Millimeter Astronomy
1981 International Conference on Submillimeter Waves and Their Applications, 1981Engineering tests have been made of a continuum receiver based upon a composite bolometer cooled to 0.4K on the NRAO 36-foot telescope. We will describe some salient features of the receiver design and also discuss the relative sensitivity of this receiver compared to current coherent continuum receivers.
P. Ade +6 more
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ALMA and Sub-millimeter-wave Astronomy
2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006The Atacama Large Millimeter/submillimeter Array (ALMA) will be the premier millimeter and submillimeter telescope in the world when completed in 2012. ALMA will be a transformational telescope that allows astronomers to image and study at unprecedented detail the origin of stars and planets, galaxies and biologically relevant chemistry, fundamental ...
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Millimeter radio astronomy and the genesis of ALMA
2015 IEEE MTT-S International Microwave Symposium, 2015Now nearing completion in northern Chile, the Atacama Large Millimeter/Submillimeter Array (ALMA) is a partnership between North America, Europe, East Asia, and the host country of Chile. ALMA is the first truly global radio astronomy project and arguably, the most complex ground-based astronomical instrument ever built. An imaging interferometer, ALMA
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Switching subreflector for millimeter wave radio astronomy
Review of Scientific Instruments, 1976A method of beam switching a Cassegrain antenna used for radio astronomy by tilting the hyperbolic secondary reflector is described. The system described has been in use for over a year at the 11-m millimeter wave antenna operated by the National Radio Astronomy Observatory at Kitt Peak, Arizona.
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A new generation of SIS receivers for millimeter-wave radio astronomy
Proceedings of the IEEE, 1994A new generation of low-noise, dual-polarization heterodyne receivers covering all atmospheric windows between 68 and 300 GHz has been developed for the 12-m telescope on Kitt Peak, AZ, operated by the National Radio Astronomy Observatory (NRAO). A modular approach to the receiver construction has been used.
John M. Payne +3 more
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Multibeam receiver for millimeter-wave radio astronomy
Review of Scientific Instruments, 1988An eight-beam receiver system for millimeter-wave radio astronomy is described. The receiver is designed to map spatially extended radio sources in both spectral line and continuum emission at a wavelength of 1.2 mm. This receiver is now in use on the 12-m radio telescope on Kitt Peak in Arizona.
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An 8 GHz digital spectrometer for millimeter-wave astronomy
SPIE Proceedings, 2012We have designed and tested a digital spectrometer suitable for analyzing 8 GHz baseband signals. It is based on a 16- Gsps, 5-bit ADC from e2v and a Stratix-IV FPGA employed for later filtering and signal processing. Digitized data is received and synchronized via twenty high-speed 4-Gbps transceivers integrated in the FPGA.
Roberto G. García +3 more
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Focal plane arrays for millimeter-wavelength astronomy
1992 IEEE Microwave Symposium Digest MTT-S, 2003Some of the general characteristics of focal plane imaging systems and associated optics are discussed. Detailed discussion is focused on the two large millimeter-wavelength focal plane arrays presently in operation: the 8-element 1.3-mm-wavelength NRAO array on the 12-m telescope and the 15-element 3-mm-wavelength array on the FCRAO (five College ...
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A Brief Overview of Millimeter-Wave Astronomy
1999Even in today’s specialized world, individual fields are so broad that they cannot be adequately represented within the limit of a few pages. Millimeter-wave astronomy is no exception. Nevertheless, I will attempt to give a reasonable overview of this rapidly-growing field within such a limit.
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Modern millimeter and submillimeter receiver systems for radio astronomy
Radiophysics and Quantum Electronics, 2009In this review we consider the composition and placement of receiver complexes on millimeter and submillimeter wave radio telescopes as well as their components and circuitry. Examples of receiver complexes are given for both ground-based and space radio telescopes.
V. F. Vdovin, I. I. Zinchenko
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