Recent advances in generation of terahertz vortex beams and their applications

H Wang, Q Song, Y Cai, Q Lin, X Lu… - Chinese …, 2020 - iopscience.iop.org
Last decade has witnessed a rapid development of the generation of terahertz (THz) vortex
beams as well as their wide applications, mainly due to their unique combination …

The Odin satellite-I. Radiometer design and test

U Frisk, M Hagström, J Ala-Laurinaho… - Astronomy & …, 2003 - aanda.org
The Sub-millimetre and Millimetre Radiometer (SMR) is the main instrument on the Swedish,
Canadian, Finnish and French spacecraft Odin. It consists of a 1.1 metre diameter telescope …

Demonstration of a reflectarray with near-field amplitude and phase constraints as compact antenna test range probe for 5G new radio devices

AF Vaquero, M Arrebola, MR Pino… - … on Antennas and …, 2020 - ieeexplore.ieee.org
In this work, a reflectarray is proposed to be used as a probe of reduced and portable
compact-antenna-test range for 5G new radio devices. The reflectarray works at 28 GHz and …

Compact antenna test range using very small F/D transmitarray based on amplitude modification and phase modulation

J Tang, X Chen, X Meng, Z Wang, Y Ren… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
A very small focal-to-diameter (F/D) ratio transmitarray for compact antenna test range
(CATR) application is proposed in this article. The transmitarray comprises a feed antenna, a …

A review of measurement of electromagnetic emission in electronic product: Techniques and challenges

T Yuwono, MH Baharuddin, N Misran… - … in Science and …, 2022 - cst.kipmi.or.id
Nowadays, electronic products are being used extensively in many fields and applications.
The dense population of electronic devices in human life has become a challenge for …

Efficient Angle Calibration Method for Peak Beam Measurements in Transmitarray-Based Compact Antenna Test Range

J Tang, X Meng, X Chen, R Chen, Y Da… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Due to the explosive growth of wireless communications, cost-effective streamline
measurement of wireless devices' peak beam is a highly desirable over-the-air testing …

Millimeter-wave beam shaping using holograms

J Meltaus, J Salo, E Noponen… - IEEE Transactions …, 2003 - ieeexplore.ieee.org
We synthesize amplitude-and phase-type computer-generated holograms (diffractive
gratings) for shaping millimeter-wave fields. We design holograms using quasi-optical back …

Geometric space optimization based on intelligent algorithm for tri-reflector compact antenna test range

J Ruan, T Chen, J Yu, Y Yao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In the design process of the traditional compact antenna test range (CATR) system, the
designer mainly considers electromagnetic characteristics, such as co-polar amplitude …

Antenna tests with a hologram-based CATR at 650 GHz

A Karttunen, J Ala-Laurinaho, M Vaaja… - … on Antennas and …, 2009 - ieeexplore.ieee.org
A hologram-based compact antenna test range (CATR) is designed, constructed, and used
to test a 1.5-m antenna at 650 GHz. The CATR is based on a 3.16-m-diameter hologram as …

Broadband lens-integrated CMOS camera-type THz compact antenna test range

R Zatta, VS Jagtap, J Grzyb… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents the concept of a lens-integrated CMOS camera-type terahertz (THz)
compact antenna test range (CATR) to determine the far-field characteristics of transmitters …