Critical discussion on the UV absorption properties of Earth's atmosphere

  • Sun´s ultraviolet radiation is classified into UV-A, UV-B, and UV-C bands. Thereby UV-A passes through Earth´s atmosphere, while UV-B is partially absorbed by ozone. The limitations of the commonly accepted statement, that UV-C is always completely absorbed by Earth´s atmosphere, are discussed critically. Below 200 nm the solar spectrum is strongly absorbed by molecular oxygen. The stratospheric ozone layer has strong absorption between 200 nm and 300 nm. However, the “ozone hole” increases UV-B radiation just below 300 nm and may also open a transmitting atmospheric window for harmful UV-C at the overlap region between oxygen absorption and ozone absorption.
Metadaten
Author:Thorsten DöhringORCiD
DOI:https://doi.org/10.1117/12.2271645
Parent Title (English):Proceedings of SPIE
Publisher:SPIE
Document Type:Conference Proceeding
Language:English
Year of Completion:2017
Date of first Publication:2017/08/22
Creating Corporation:Hochschule Aschaffenburg
Release Date:2017/09/21
Tag:UV-C; absorption; atmosphere; ozone hole; ultraviolet
GND Keyword:Ozonloch; Ultraviolett; Atmosphäre; Absorption
Volume:2017
Issue:10453
Page Number:10
First Page:104530I-1
Last Page:104530I-10
Urheberrecht:1
research focus :Materials / Innovative Material Processing
Materials / Material Testing & Sensor Technology
Licence (German):Keine Lizenz - es gilt das deutsche Urheberrecht
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