Effects of surface roughness on terahertz transmission spectra
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DOI: 10.1007/s11082-020-02365-x
Abstract: Terahertz (THz) transmission spectroscopy is widely used to obtain spectra of materials by measuring the electric field of a THz pulse in the time domain. However, time-domain waveforms are easily influenced by the surface roughness,… read more here.
Keywords: transmission spectra; thz transmission; transmission; surface roughness ... See more keywords
Correcting the effect of stellar spots on ARIEL transmission spectra
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DOI: 10.1093/mnras/staa3621
Abstract: The goal of this study is to assess the impact of the stellar spots on the extraction of the planetary transmission spectra observed by ARIEL. We develop a method to model the stellar spectrum of… read more here.
Keywords: transmission spectra; transmission; transit; stellar spots ... See more keywords
On signatures of clouds in exoplanetary transit spectra
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DOI: 10.1093/mnras/stx1849
Abstract: Transmission spectra of exoplanetary atmospheres have been used to infer the presence of clouds/hazes. Such inferences are typically based on spectral slopes in the optical deviant from gaseous Rayleigh scattering or low-amplitude spectral features in… read more here.
Keywords: transmission spectra; exoplanetary transit; transit spectra; signatures clouds ... See more keywords
Reflection and Transmission Spectra of Multimode Interference Devices With Bragg Gratings
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DOI: 10.1109/jqe.2016.2640222
Abstract: We numerically investigate the reflection and transmission spectra of multimode interference (MMI) devices incorporating uniform and sampled Bragg gratings with emphasis on their applications to an add-drop multiplexer (ADM). In numerical analysis, a rectangular index… read more here.
Keywords: transmission spectra; spectra multimode; reflection transmission; interference ... See more keywords
Bandpass transmission spectra of a whispering-gallery microcavity coupled to an ultrathin fiber
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DOI: 10.1364/prj.5.000362
Abstract: Tapered fibers with diameters ranging from 1 to 4 μm are widely used to excite the whispering-gallery (WG) modes of microcavities. Typically, the transmission spectrum of a WG cavity coupled to a waveguide around a resonance… read more here.
Keywords: transmission spectra; ultrathin fiber; fiber; whispering gallery ... See more keywords
Assessment of the Irradiation Exposure of PET Film with Swift Heavy Ions Using the Interference-Free Transmission UV-Vis Transmission Spectra
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DOI: 10.3390/polym13030358
Abstract: This paper presents the results of a study of polyethylene terephthalate (PET) films irradiated with Ar and Kr ions at both normal orientation and an angle of 40° to the normal. Normal irradiation was performed… read more here.
Keywords: pet; transmission spectra; irradiation; transmission ... See more keywords