Absolutely calibrated ozone absorption cross-sections for 11 temperatures (193K – 293K in steps of 10K) for UV-NIR spectral region

More details:

- Spectroscopy of Europe, vol. 23, 6, 2011, pp.14-17
http://www.spectroscopyeurope.com/articles/55-articles/3082-new-broadband-high-resolution-ozone-absorption-cross-sections

-AMTD

http://www.atmos-meas-tech-discuss.net/6/6567/2013/amtd-6-6567-2013.html
http://www.atmos-meas-tech-discuss.net/6/6613/2013/amtd-6-6613-2013.html

Download the ASCII data, version 25.07.2012, zip, total size 12Mb [12.242 KB]

Download temperature coefficients between 300 and 370 nm from a quadratic fit [438 KB]

Version 22.07.2013: Fast Fourier Transform Filter applied to the initial data in the region 213.33 -317 nm

Download the ASCII data, version 22.07.2013, zip [7.910 KB]

Please, check for updates! Measurements with dual channel FTS are ongoing for the IR and region around 380 nm.

In case of any questions, please, email Dr. Anna Serdyuchenko anserd@iup.physik.uni-bremen.de

 



Source:   IUP, MolSpec Lab, Serdyuchenko A., Gorshelev V, Weber M., Chehade W., Burrows JP.
 
 
Spectrometer:   Echelle Spectrometer ESA 4000 and Bruker HR 120 FTS    
Resolution (FWHM):   0.02 nm below 290 nm
1 cm-1 between 290 nm and 350 nm
0.02 nm between 350 nm and 450 nm
1 cm-1 between 450 nm and 1100 nm 
 
Grid:   interpolated on grid 0.01 nm    
Cell:   Double jacket quartz cell, thermo-insulated, pre-cooler, cryogenic cooling    
Absolute calibration:   using pure ozone pressure   
Uncertainty for absolute measurements at 50 mbar and 193 - 293K and path length 270 cm:     
Systematic uncertainty  Ozone impurity:
oxygen purity 99.995%
leaks <0.1%.
Accuracy of pressure sensors: 0.04% (0.02 mb)
Offset of the internal temperature sensors: <0.3-0.5% (1K)
Cell length: <0.07% (<1 mm)
Total: <0.5%, depending on temperature 
 
Statistical uncertainty  Ozone decay <1%
Fluctuations of pressure: < 0.08% (<0.04mb)
Fluctuations of temperature: <0.1 - 0.16% (<0.3K)
Cooling efficiency: <0.3 - 1.6% (1-3K)
Source intensity drift and white noise 0.1 - 70%, depending on spectral region 
 
Concatenated spectra parameters:     
Spectral regions:   Lightsource stability:  Optical density limits: 
213–290 nm   0.5%  0.5-2 
290–310 nm  2%  0.1-2 
310–340 nm   1%  0.1-2 
340–450 nm  1%  0.05-1 
450–750 nm  0.2%  0.5-2 
750–1100 nm  0.2%  0.001-0.1 
     
column 1:  vacuum wavelength (nm)    
column 2:  cross section (cm2/molecule)  293k 
column 3:   cross section (cm2/molecule)   283k 
column 4:  cross section (cm2/molecule)   273k 
column 5:  cross section (cm2/molecule)   263k 
column 6:  cross section (cm2/molecule)   253k 
column 7:  cross section (cm2/molecule)   243k 
column 8:  cross section (cm2/molecule)   233k 
column 9:  cross section (cm2/molecule)   223k 
column 10:  cross section (cm2/molecule)   213k  
column 11:  cross section (cm2/molecule)   203k  
column 12:  cross section (cm2/molecule)   193k 


Last update July 2013