Zobrazeno 1 - 7
of 7
pro vyhledávání: '"David Balslev-Clausen"'
Publikováno v:
Optics express. 22(10)
A compact versatile photoacoustic (PA) sensor for trace gas detection is reported. The sensor is based on an integrating sphere as the PA absorption cell with an organ pipe tube attached to increase the sensitivity of the PA sensor. The versatility a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ae4cd840be2d6372d35a0cae977cc14
https://pubmed.ncbi.nlm.nih.gov/24921288
https://pubmed.ncbi.nlm.nih.gov/24921288
Publikováno v:
2014 International Conference Laser Optics.
A compact and easy to use photoacoustic (PA) detector has been developed for the detection of nitrogen dioxide (NO2). The detector is based on an integrating sphere as the PA absorption cell and LEDs as light sources. Combined with low-cost microphon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05fc4c2207f34c4dbd5280244cb78711
https://doi.org/10.1109/lo.2014.6886393
https://doi.org/10.1109/lo.2014.6886393
Publikováno v:
Frontiers in Optics 2014.
A photoacoustic detector has been developed for trace gas detection. The detector is based on an integrating sphere absorption cell and laser and LED light sources. Various materials have been investigated for background noise reduction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af26ccaca0497c5524de23f70e9c92fa
https://doi.org/10.1364/ls.2014.lth4h.2
https://doi.org/10.1364/ls.2014.lth4h.2
Autor:
David Balslev-Clausen, Harald Sodemann, Camille Risi, Sigfus J Johnsen, Thomas Blunier, Árný E. Sveinbjörnsdóttir, Barbara Stenni, Dorthe Dahl-Jensen, Bo Møllesøe Vinther, Jørgen Peder Steffensen, Valérie Masson-Delmotte, S. Falourd, Trevor Popp, Simon G. Sheldon, Hans Christian Steen-Larsen, Jean Jouzel, Jesper Sjolte, M. D. Ellehoj, Sebastian B. Simonsen, Aslak Grindsted, James W. C. White, Vasileios Gkinis, Peter Sperlich
Publikováno v:
Atmospheric Chemistry and Physics, 13 (9)
Atmospheric Chemistry and Physics, Vol 13, Iss 9, Pp 4815-4828 (2013)
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, 2013, 13 (9), pp.4815-4828. ⟨10.5194/acp-13-4815-2013⟩
Atmospheric Chemistry and Physics, European Geosciences Union, 2013, 13 (9), pp.4815-4828. ⟨10.5194/acp-13-4815-2013⟩
Atmospheric Chemistry and Physics, Vol 13, Iss 9, Pp 4815-4828 (2013)
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, 2013, 13 (9), pp.4815-4828. ⟨10.5194/acp-13-4815-2013⟩
Atmospheric Chemistry and Physics, European Geosciences Union, 2013, 13 (9), pp.4815-4828. ⟨10.5194/acp-13-4815-2013⟩
We present here surface water vapor isotopic measurements conducted from June to August 2010 at the NEEM (North Greenland Eemian Drilling Project) camp, NW Greenland (77.45 degrees N, 51.05 degrees W, 2484 m a.s.l.). Measurements were conducted at 9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe4c11dc33df7737ac34878c3fb54e21
https://hdl.handle.net/20.500.11850/67919
https://hdl.handle.net/20.500.11850/67919
Publikováno v:
SPIE Proceedings.
This work presents our recent progress in development of a field-deployable isotopic N 2 O analyzer based on mid-infrared cavity ring-down spectroscopy technique. This instrument operates using thermoelectrically cooled technology, enabling the syste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43b5f01db747668ea97c0274539e2c01
https://doi.org/10.1117/12.884244
https://doi.org/10.1117/12.884244
Publikováno v:
Balslev-Clausen, D, Dahl, T W, Saad, N & Rosing, M T 2013, ' Precise and accurate δ 13 C analysis of rock samples using Flash Combustion-Cavity Ring Down Laser Spectroscopy ', Journal of Analytical Atomic Spectrometry, vol. 28, no. 4, pp. 516-523 . https://doi.org/10.1039/c2ja30240c
The ratio of C-13 to C-12 in marine sedimentary rocks holds important clues to the evolution of the carbon cycle through Earth history. Isotopic analyses are traditionally carried out using isotope ratio mass spectrometry (IRMS), but this technique i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9a65564d24a3dd9f5ae59584798f009
https://doi.org/10.1039/c2ja30240c
https://doi.org/10.1039/c2ja30240c
Publikováno v:
Optics Express. 16:2387
Broad-bandwidth, high-spectral-resolution optical detection of human breath has identified multiple important biomarkers correlated with specific diseases and metabolic processes. This optical-frequency-comb-based breath analysis system comes with ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::855c5e7f0a7a70fca67587c3e78cfa7f
https://doi.org/10.1364/oe.16.002387
https://doi.org/10.1364/oe.16.002387