| Issue |
EPJ Web of Conferences
Volume 119, 2016
The 27th International Laser Radar Conference (ILRC 27)
|
|
|---|---|---|
| Article Number | 06009 | |
| Number of page(s) | 4 | |
| Section | Poster Session (Advances in Lidar Technologies and Techniques I) | |
| DOI | https://doi.org/10.1051/epjconf/201611906009 | |
| Published online | 07 June 2016 | |
https://doi.org/10.1051/epjconf/201611906009
Computational Investigations of THz Transmittance in the Atmosphere
1 BASIS Scottsdale, Scottsdale, AZ 85259
2 Arizona State University, Tempe, AZ 85281
Published online: 7 June 2016
With the recent scientific advancements in Terahertz (THz) wave propagation and reception technology, there has been significant development in new possibilities for using THz waves – offering new possibilities in THz detection and ranging. A first foundational step toward this goal is to better understand THz transmittance in the turbulent atmosphere. In this project, a frequency modulation pattern of THz waves was created by utilizing a system of shifting frequency based on temperature, air humidity, and distance of transmission. The total path loss of the wave in air, based on the wave spread and molecular absorption, was then modeled using radiative transfer theory, onto a set of JavaHAWK filtered-HITRAN data representative of an air sample. This data was used to generate a path loss matrix, which was then used to optimize frequency of transmission for the specific conditions. The concept to be evaluated is whether adaptive frequency modulated THz might usefully decrease transmission losses by adjusting to atmospheric conditions (such as local variations in temperature and humidity).
© Owned by the authors, published by EDP Sciences, 2016
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