Negar Ehsan
Negar Ehsan
NASA Goddard Space Flight Center
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SMAP L-band microwave radiometer: Instrument design and first year on orbit
JR Piepmeier, P Focardi, KA Horgan, J Knuble, N Ehsan, J Lucey, ...
IEEE Transactions on Geoscience and Remote Sensing 55 (4), 1954-1966, 2017
Micro-fabricated 130–180 GHz frequency scanning waveguide arrays
ED Cullens, L Ranzani, KJ Vanhille, EN Grossman, N Ehsan, Z Popovic
IEEE Transactions on Antennas and Propagation 60 (8), 3647-3653, 2012
Broadband micro-coaxial Wilkinson dividers
N Ehsan, K Vanhille, S Rondineau, ED Cullens, ZB Popovic
IEEE transactions on microwave theory and techniques 57 (11), 2783-2789, 2009
Micro-coaxial lines for active hybrid-monolithic circuits
N Ehsan, E Cullens, K Vanhille, D Frey, S Rondineau, R Actis, S Jessup, ...
2009 IEEE MTT-S International Microwave Symposium Digest, 465-468, 2009
Miniature 3D micro-machined solid state power amplifiers
AA Immorlica, R Actis, D Nair, K Vanhille, C Nichols, JM Rollin, D Fleming, ...
2008 IEEE International Conference on Microwaves, Communications, Antennas …, 2008
Broadband microwave lithographic 3D components
N Ehsan
University of Colorado, 2010
Micro-coaxial impedance transformers
N Ehsan, KJ Vanhille, S Rondineau, Z Popović
IEEE transactions on microwave theory and techniques 58 (11), 2908-2914, 2010
G-band frequency-scanned antenna arrays
L Ranzani, N Ehsan, Z Popoviać
2010 IEEE Antennas and Propagation Society International Symposium, 1-4, 2010
Micro-fabricated micro-coaxial millimeter-wave components
Z Popovic, K Vanhille, N Ehsan, E Cullens, Y Saito, JM Rollin, C Nichols, ...
2008 33rd International Conference on Infrared, Millimeter and Terahertz …, 2008
Fabrication of MKIDS for the MicroSpec Spectrometer
A Patel, AD Brown, WT Hsieh, T Stevenson, SH Moseley, U Kongpop, ...
IEEE transactions on applied superconductivity 23 (3), 2400404-2400404, 2013
Second-generation design of micro-spec: a medium-resolution, submillimeter-wavelength spectrometer-on-a-chip
G Cataldo, EM Barrentine, BT Bulcha, N Ehsan, LA Hess, O Noroozian, ...
Journal of Low Temperature Physics 193, 923-930, 2018
The experiment for cryogenic large-aperture intensity mapping (EXCLAIM)
PAR Ade, CJ Anderson, EM Barrentine, NG Bellis, AD Bolatto, ...
Journal of Low Temperature Physics 199, 1027-1037, 2020
Design and performance of a high resolution µ-spec: an integrated sub-millimeter spectrometer
EM Barrentine, G Cataldo, AD Brown, N Ehsan, O Noroozian, ...
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation …, 2016
Flip-chip-assembled air-suspended inductors
PJ Bell, ND Hoivik, RA Saravanan, N Ehsan, VM Bright, Z Popovic
IEEE transactions on advanced packaging 30 (1), 148-154, 2007
A Robust Waveguide Millimeter-Wave Noise Source
N Ehsan, JR Piepmeier, M Solly, S Macmurphy, J Lucey, E Wollack
IEEE European Microwave Week (EuMW), 2015
Experiment for cryogenic large-aperture intensity mapping: instrument design
ER Switzer, EM Barrentine, G Cataldo, T Essinger-Hileman, PAR Ade, ...
Journal of Astronomical Telescopes, Instruments, and Systems 7 (4), 044004 …, 2021
Broadband Planar 5: 1 Impedance Transformer
N Ehsan, WT Hsieh, SH Moseley, EJ Wollack
IEEE Microwave and Wireless Components Letters, 2015
Second-generation Micro-Spec: A compact spectrometer for far-infrared and submillimeter space missions
G Cataldo, EM Barrentine, BT Bulcha, N Ehsan, LA Hess, O Noroozian, ...
Acta Astronautica 162, 155-159, 2019
µ-Spec: An efficient compact integrated spectrometer for submillimeter astrophysics
O Noroozian, EM Barrentine, AD Brown, G Cataldo, N Ehsan, WT Hsieh, ...
26th International Symposium On Space Terahertz Technology, 2015
µ-Spec Spectrometers for the EXCLAIM Instrument
M Mirzaei, EM Barrentine, BT Bulcha, G Cataldo, JA Connors, N Ehsan, ...
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation …, 2020
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