학술논문

Design of Radio Astronomical Receivers for Laboratory Molecular Spectroscopic Measurments
Document Type
Conference
Source
2018 2nd URSI Atlantic Radio Science Meeting (AT-RASC) URSI Atlantic Radio Science Meeting (AT-RASC), 2018 2nd. :1-1 May, 2018
Subject
Aerospace
Bioengineering
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Geoscience
Photonics and Electrooptics
Signal Processing and Analysis
Language
Abstract
In the context of the Nanocosmos project (European Research Council Sinergy Project), the use of radioastronomical receivers as detectors for molecular spectroscopy and chemical reactivity experiments is proposed. The radioastromical receivers have several GHz bandwidths in the frontend and few kHz spectral resolution in the backend. On the other hand, observed gases are in a vacuum cylindrical chamber of one meter length with two dielectric windows at the bases, where higher pressure conditions over the gases are reached in order to simulate the big size of astronomical objects. The receiver designed combines Q and W band observations simultaneously. The bandwidth coverage is 31.5-50.0 GHz and 72.0-116.0 GHz, which exceeds the standard frequency bands designation of the WR22 and WR10 waveguides.