THz smooth-walled spline horn antennas: Design, manufacturing and measurements
Paper i proceeding, 2016
We describe a versatile and cost-efficient method for producing smooth-walled spline horn antennas for applications in THz radiometry. Specifically, the development of four different horns for radiometer receiver applications at frequencies 120, 183, 340 and 874 GHz is presented. General methods for efficient optimization of the spline profiles have been developed which enable the horn designs to be tailored to each application. All four designs display high Gaussicity (typically ∼98%). Manufacturing methods based on numerical milling in splitblocks, lathing and drilling have been tested and compared. Milled splitblock horns with integrated receiver circuits (Shottky mixers in this case) allow for lower losses in the receiver system at the expense of higher cross-polarization levels. The radiation pattern of three designs at 183, 340 and 874 GHz have been measured using planar and rotational scanners.
Receivers
Splines (mathematics)
Antenna measurements
Horn antennas
Instruments
Mixers
Författare
Arvid Hammar
Omnisys Instruments
Chalmers, Mikroteknologi och nanovetenskap, Terahertz- och millimetervågsteknik
Daniel Nyberg
Omnisys Instruments
Yogesh Karandikar
Chalmers, Mikroteknologi och nanovetenskap, Mikrovågselektronik
Peter Sobis
Chalmers, Mikroteknologi och nanovetenskap, Terahertz- och millimetervågsteknik
Gigahertzcentrum
Oscar Tropp
Omnisys Instruments
Per Forsberg
Omnisys Instruments
Steven McCallion
Omnisys Instruments
Anders Emrich
Omnisys Instruments
Jan Stake
Chalmers, Mikroteknologi och nanovetenskap, Terahertz- och millimetervågsteknik
Gigahertzcentrum
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Fajardo, Puerto Rico, 26 June - 1 July 2016
1947-1491 (eISSN)
1341-1342978-1-5090-2886-3 (ISBN)
Styrkeområden
Informations- och kommunikationsteknik
Infrastruktur
Kollberglaboratoriet
Ämneskategorier
Annan elektroteknik och elektronik
DOI
10.1109/APS.2016.7696378
ISBN
978-1-5090-2886-3