Simulations of imaging Fabry–Perot interferometers for measuring upper-atmospheric temperatures and winds

Huang, Y. N.; Makela, J. J.; Swenson, G. R.

doi:10.1364/ao.51.003787

Cited by 8 publications

(1 citation statement)

References 38 publications

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“…Recently, our research group reported the Pd-catalyzed decarboxylation acylation of Nacetyl-1,2,3,4-tetrahydroquinolines. 12 In addition, the visiblelight-induced catalytic system has served as an increasingly significant role in the design and development of a variety of radical reactions under observably mild reaction conditions. 13 From the above, the combination of transition-metal catalysis mode with visible-light-induced catalytic system was tried in this work.…”

Section: ■ Introductionmentioning

confidence: 99%

Visible-Light-Induced Decarboxylation Coupling/Intramolecular Cyclization: A One-Pot Synthesis for 4-Aryl-2-quinolinone Derivatives

et al. 2018

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A visible-light-induced decarboxylation coupling/intramolecular cyclization is reported. The one-pot synthesis system provides mild, efficient, and atom economical access to the synthesis of 4-aryl-2-quinolinone derivatives. It is notable that the necessary oxidant in the traditional decarboxylation coupling is replaced by the visible-light irradiation in this paper. In addition, the HBV inhibitor is synthesized by the one-pot synthesis system in an atom economical manner.

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Section: ■ Introductionmentioning

confidence: 99%

Visible-Light-Induced Decarboxylation Coupling/Intramolecular Cyclization: A One-Pot Synthesis for 4-Aryl-2-quinolinone Derivatives

et al. 2018

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Modeled and observed equatorial thermospheric winds and temperatures

et al. 2015

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Thermospheric winds and temperatures must be correctly specified to understand the impacts of lower atmosphere processes on the upper atmosphere and to measure the global effects of high‐latitude magnetospheric processes. Fabry‐Perot interferometers can estimate these parameters by measuring the characteristic 630.0 nm emission that is produced at around 250 km altitude. These sophisticated instruments exist at only a few locations globally, so models are often employed to provide wind and temperature estimates elsewhere. This study is composed of two parts. First, observing system simulation experiments estimate the accuracy of Fabry‐Perot interferometer observations using the Thermosphere‐Ionosphere‐Electrodynamics General Circulation Model (TIEGCM) and the Whole Atmosphere Community Climate Model eXtended (WACCM‐X). Atmospheric observational error sources are found to be very small across two test periods (September 2000 and September 2010) and using two different “truth” models. The largest magnitude wind observation error is found to be 16.9 m/s, root‐mean‐square errors are 2.3 m/s, and the bias is 0.9 m/s. The largest‐magnitude temperature observation error is found to be 63.7 K, root‐mean‐square errors over the test period are 6.7 K, and the bias is 2.8 K. Modeled redline emission altitudes vary by over 100 km, far more than was expected. Second, several models (TIEGCM, WACCM‐X, the Horizontal Wind Model, and the Mass Spectrometer Incoherent Scatter model) are assessed using interferometer winds and temperatures from Cariri and Cajazeiras, Brazil, as ground truth. In the best cases, the models reproduce wind variability without systematic biases but show no ability to predict instantaneous values, although temperatures are modeled more accurately.

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Performance comparison of Fabry–Perot and Mach–Zehnder interferometers for molecular Doppler lidar based on fringe-imaging technique

Tan

Hua

Wang

et al. 2014

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Simulations of imaging Fabry–Perot interferometers for measuring upper-atmospheric temperatures and winds

Cited by 8 publications

References 38 publications

Visible-Light-Induced Decarboxylation Coupling/Intramolecular Cyclization: A One-Pot Synthesis for 4-Aryl-2-quinolinone Derivatives

Visible-Light-Induced Decarboxylation Coupling/Intramolecular Cyclization: A One-Pot Synthesis for 4-Aryl-2-quinolinone Derivatives

Modeled and observed equatorial thermospheric winds and temperatures

Performance comparison of Fabry–Perot and Mach–Zehnder interferometers for molecular Doppler lidar based on fringe-imaging technique

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