1 to 7 of 7 Results
Jul 23, 2023
Gaurangi Gupta, 2023, "Reflector Antenna Development for Lunar Crater Radio Telescope", https://doi.org/10.48577/jpl.QSM380, IEEE International Symposium on Antennas & Propagation & USNC-URSI Radio Science Meeting 2023, JPL Open Repository
An ultra-long wavelength Lunar Crater Radio Telescope (LCRT) for observing early universe in 4.7-47 MHz range using a reflector antenna is under development at the NASA’s Jet Propulsion Laboratory. The LCRT consists of a 350 m diameter reflector antenna and receiver to be deploye... |
Jul 23, 2023
Gaurangi Gupta, 2023, "Ku-band Metal-only Flate Metasurface Radar Antenna for Small Platforms", https://doi.org/10.48577/jpl.ZY4Q9A, IEEE International Symposium on Antennas & Propagation & USNC-URSI Radio Science Meeting 2023, JPL Open Repository
Metal-only metasurface antennas for small platforms are under development at the NASA’s Jet Propulsion Laboratory to provide high gain, low-profile, low-cost and harsh environment survivable solutions for small airborne and spaceborne platforms. A metal-only Ku-band co-located me... |
Jun 7, 2023
Gaurangi Gupta, 2023, "All-Metal Circular Polarized Patch Excited Cup Antennas for Lunar Farside Seismic Suite (FSS)", https://doi.org/10.48577/jpl.H27OEN, Wireless, Antenna & Microwave Symposium (WAMS) 2023, JPL Open Repository
All metal patch circularly polarized S-band antennas are being developed at NASA’s Jet Propulsion Laboratory for the Lunar Farside Seismic Suite (FSS). The antennas are proposed to be used as a telecommunication antenna between 2.2 and 2.3 GHz. A single element and 2 × 2 elements... |
Jun 7, 2023
Nacer Chahat, 2023, "Revolutionary Deployable Parabolic Reflector for Ka, W, and G-band Operation for Earth Science Mission", https://doi.org/10.48577/jpl.DW9VB9, Wireless, Antenna & Microwave Symposium (WAMS) 2023, JPL Open Repository
A solution for wide bandwidth high frequency (up to 240GHz) deployable reflector is needed to enable a new type of low-cost and platform-versatile Earth Science missions. Deployable mesh reflectors are limited to a maximum frequency of 60GHz due to the mesh limitations (i.e. surf... |
Jun 7, 2023
Nacer Chahat, 2023, "Optimizing Beam Congruence of a Solid Cassegrain Reflector and an Offset-Fed Deployable Mesh Reflector", https://doi.org/10.48577/jpl.CIPDIR, Wireless, Antenna & Microwave Symposium (WAMS) 2023, JPL Open Repository
Two multi-beam Ku-band reflector antennas are designed for a NASA’s Earth Science mission concept. This satellite could carry two antennas: a center-fed Cassegrain fixed reflector and an offset-fed deployable mesh reflector. Each support 7 near-nadir beams at Ku-band with matched... |
May 22, 2023
Gaurangi Gupta, 2023, "All-Metal Metasurface Antenna for W-band Radiometer", https://doi.org/10.48577/jpl.PDDCNZ, URSI International Symposium on Electromagnetic Theory, JPL Open Repository
All metal metasurface antennas are under development for W-band radiometer at the NASA’s Jet Propulsion Laboratory. The metasurface antenna directs the radiated beam by the holographic approach. The pillbox beamformer is fed using one (or more) horns located at the focal plane of... |
Mar 26, 2023
Goutam Chattopadhyay, 2023, "Reflectarrays and Metasurface Antennas at Millimeter and Terahertz Waves", https://doi.org/10.48577/jpl.OFLAG5, 17th European Conference on Antennas and Propagation (EuCAP 2023), JPL Open Repository
In this paper we present an overview of different metasurface antenna technologies that are being developed in our laboratory at millimeter and terahertz waves for space applications. We will show that even though transmit- and reflect-arrays have made tremendous progress at mill... |
