Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Westberg, Jonas"'
Autor:
Sterczewski, Lukasz A., Westberg, Jonas, Yang, Yang, Burghoff, David, Reno, John, Hu, Qing, Wysocki, Gerard
Hyperspectral imaging is a technique that allows for the creation of multi-color images. At terahertz wavelengths, it has emerged as a prominent tool for a number of applications, ranging from non-ionizing cancer diagnosis and pharmaceutical characte
Externí odkaz:
http://arxiv.org/abs/1812.03505
Autor:
Sterczewski, Lukasz A., Westberg, Jonas, Bagheri, Mahmood, Frez, Clifford, Vurgaftman, Igor, Canedy, Chadwick L., Bewley, William W., Merritt, Charles D., Kim, Chul Soo, Kim, Mijin, Meyer, Jerry R., Wysocki, Gerard
Two semiconductor optical frequency combs consuming less than 1 W of electrical power are used to demonstrate high-sensitivity mid-infrared dual-comb spectroscopy in the important 3-4 $\mu$m spectral region. The devices are 4 millimeters long by 4 mi
Externí odkaz:
http://arxiv.org/abs/1812.11175
Cavity attenuated phase shift Faraday rotation spectroscopy has been developed and demonstrated by oxygen detection near 762 nm. The system incorporates a high-finesse cavity together with phase-sensitive balanced polarimetric detection for sensitivi
Externí odkaz:
http://arxiv.org/abs/1808.07468
Dual-comb spectroscopy is a rapidly developing technique that enables moving parts-free, simultaneously broadband and high-resolution measurements with microseconds of acquisition time. However, for high sensitivity measurements and extended duration
Externí odkaz:
http://arxiv.org/abs/1805.11146
Publikováno v:
Appl. Phys. B 124, 79 (2018)
We demonstrate optical frequency comb Faraday rotation spectroscopy (OFC-FRS) for broadband interference-free detection of paramagnetic species. The system is based on a femtosecond doubly resonant optical parametric oscillator and a fast-scanning Fo
Externí odkaz:
http://arxiv.org/abs/1801.08399
Autor:
Sterczewski, Lukasz A., Westberg, Jonas, Patrick, Charles Link, Kim, Chul Soo, Kim, Mijin, Canedy, Chadwick L., Bewley, William W., Merritt, Charles D., Vurgaftman, Igor, Meyer, Jerry R., Wysocki, Gerard
While mid-infrared radiation can be used to identify and quantify numerous chemical species, contemporary broadband mid-IR spectroscopic systems are often hindered by large footprints, moving parts and high power consumption. In this work, we demonst
Externí odkaz:
http://arxiv.org/abs/1709.03042
Autor:
Westberg, Jonas
Faraday modulation spectroscopy (FAMOS) is a laser-based spectroscopic dispersion technique for detection of paramagnetic molecules in gas phase. This thesis presents both a new theoretical description of FAMOS and experimental results from the ultra
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68649
Akademický článek
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Akademický článek
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Publikováno v:
In Journal of Quantitative Spectroscopy and Radiative Transfer January 2014 133:244-250
