Zobrazeno 1 - 10
of 294
pro vyhledávání: '"Herman, P. K."'
Autor:
Herman, Miranda K., de Mooij, Ernst J. W., Nugroho, Stevanus K., Gibson, Neale P., Jayawardhana, Ray
We report on Fe I in the day-side atmosphere of the ultra-hot Jupiter WASP-33b, providing evidence for a thermal inversion in the presence of an atomic species. We also introduce a new way to constrain the planet's brightness variation throughout its
Externí odkaz:
http://arxiv.org/abs/2203.11188
Autor:
Nugroho, Stevanus K., Gibson, Neale P., de Mooij, Ernst J. W., Herman, Miranda K., Watson, Chris A., Kawahara, Hajime, Merrit, Stephanie
We analyze the high-resolution emission spectrum of WASP-33b taken using the High Dispersion Spectrograph (R\,$\approx$\,165,000) on the 8.2-m Subaru telescope. The data cover $\lambda$\,$\approx$\,$6170$-$8817$\,\AA, divided over 30 spectral orders.
Externí odkaz:
http://arxiv.org/abs/2007.05508
With a temperature akin to an M-dwarf, WASP-33b is among the hottest Jupiters known, making it an ideal target for high-resolution optical spectroscopy. By analyzing both transmission and emission spectra, we aim to substantiate previous reports of a
Externí odkaz:
http://arxiv.org/abs/2006.10743
Currently, we have only limited means to probe the presence of planets at large orbital separations. Foreman-Mackey et al. searched for long-period transiting planets in the Kepler light curves using an automated pipeline. Here, we apply their pipeli
Externí odkaz:
http://arxiv.org/abs/1901.01974
Akademický článek
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Publikováno v:
Phys. Rev. B 98, 085124 (2018)
We theoretically investigate several types of plasmonic slot waveguides for enhancing the measured signal in Raman spectroscopy, which is a consequence of electric field and Purcell factor enhancements, as well as an increase in light-matter interact
Externí odkaz:
http://arxiv.org/abs/1806.06109
Autor:
Wong, Herman M. K., Helmy, Amr S.
Publikováno v:
H. M. K. Wong and A. S. Helmy, "Performance Enhancement of Nanoscale VO2 Modulators Using Hybrid Plasmonics", J. Lightw. Technol. 36, no. 3, 797 - 808 (2018)
Vanadium dioxide (${\rm VO}_2$) is a phase change material (PCM) that exhibits a large change in complex refractive index on the order of unity upon switching from its dielectric to its metallic phase. Although this property is key for the design of
Externí odkaz:
http://arxiv.org/abs/1805.01005
Gravity darkening induced by rapid stellar rotation provides us with a unique opportunity to characterize the spin-orbit misalignment of a planetary system through analysis of its photometric transit. We use the gravity-darkened transit modeling code
Externí odkaz:
http://arxiv.org/abs/1711.02681
Autor:
Wong, Herman M. K., Dezfouli, Mohsen Kamandar, Axelrod, Simon, Hughes, Stephen, Helmy, Amr S.
We theoretically investigate the enhancement of surface enhanced Raman spectroscopy (SERS) using hyperbolic stratified nanostructures and compare to metal nanoresonators. The photon Green function of each nanostructure within its environment is first
Externí odkaz:
http://arxiv.org/abs/1710.11162
Akademický článek
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