Zobrazeno 1 - 10
of 1 103
pro vyhledávání: '"Rosales-Guzmán, A."'
Autor:
Rodríguez-Fajardo, Valeria, Flores-Cova, Gabriela, Rosales-Guzmán, Carmelo, Perez-Garcia, Benjamin
In this manuscript, we put forward two new types of structured light beams, the vortex Pearcey-Gauss (VPeG) beam, with a homogeneous polarisation distribution, and the vector vortex Pearcey-Gauss (VVPeG) beam, with a non-homogeneous polarisation dist
Externí odkaz:
http://arxiv.org/abs/2405.15183
Autor:
Rosales-Guzmán, A., Sanchez-Bermudez, J., Paladini, C., Freytag, B., Wittkowski, M., Alberdi, A., Baron, F., Berger, J. -P., Chiavassa, A., Höfner, S., Jorissen, A., Kervella, P., Bouquin, J. -B. Le, Marigo, P., Montargès, M., Trabucchi, M., Tsvetkova, S., Schödel, R., Van Eck, S.
Publikováno v:
A&A 688, A124 (2024)
Stellar convection plays an important role in atmospheric dynamics, wind formation and the mass-loss processes in Asymptotic Giant Branch (AGB) stars. However, a direct characterization of convective surface structures in terms of size, contrast, and
Externí odkaz:
http://arxiv.org/abs/2405.10164
Autor:
Planquart, L., Paladini, C., Jorissen, A., Escorza, A., Pantin, E., Drevon, J., Aringer, B., Baron, F., Chiavassa, A., Cruzalèbes, P., Danchi, W., De Beck, E., Groenewegen, M. A. T., Höfner, S., Hron, J., Khouri, T., Lopez, B., Lykou, F., Montarges, M., Nardetto, N., Ohnaka, K., Olofsson, H., Rau, G., Rosales-Guzmán, A., Sanchez-Bermudez, J., Scicluna, P., Siess, L., Thévenin, F., Van Eck, S., Vlemmings, W. H. T., Weigelt, G., Wittkowski, M.
Publikováno v:
A&A 687, A306 (2024)
Our purpose is to study the effect of binary companions located within the first 10 stellar radii from the primary AGB star. In this work, we target the mass-losing carbon star V Hydrae (V Hya), looking for signatures of its companion in the dust for
Externí odkaz:
http://arxiv.org/abs/2405.07821
Autor:
Medina-Segura, Edgar, Miranda-Culin, Leonardo, Perez-García, Benjamin, Rosales-Guzmán, Carmelo, Cox, Mitchell A.
Vector modes are well-defined field distributions with spatially varying polarisation states, rendering them irreducible to the product of a single spatial mode and a single polarisation state. Traditionally, the spatial degree of freedom of vector m
Externí odkaz:
http://arxiv.org/abs/2405.08207
Astigmatic unitary transformations allow for the adiabatic connections of all feasible states of paraxial Gaussian beams on the same modal sphere, i.e., Hermite-Laguerre-Gaussian (HLG) modes. Here, we present a comprehensive investigation into the un
Externí odkaz:
http://arxiv.org/abs/2402.02153
In this work, we propose and demonstrate experimentally a compact technique for the generation of cylindrical vector beams, based on a Michelson interferometer and a $\pi$-astigmatic mode converter, capable of inverting the topological charge of high
Externí odkaz:
http://arxiv.org/abs/2401.10861
Autor:
Li, Chun-Yu, Liu, Si-Jia, Wu, Hai-Jun, Jiang, Jia-Qi, Zhao, Bo, Rosales-Guzmán, Carmelo, Zhu, Zhi-Han, Chen, Peng, Lu, Yan-Qing
Recent advances in planar optics with geometric-phase superstructures have brought a new paradigm in the control of structured light and, in particular, has substantially enhanced the capabilities of generating and detecting orbital angular momentum
Externí odkaz:
http://arxiv.org/abs/2311.11562
Autor:
Rodríguez-Fajardo, Valeria, Arvizu, Fernanda, Daza-Salgado, Dayver, Perez-Garcia, Benjamin, Rosales-Guzmán, Carmelo
In this manuscript, we propose the generation of complex vector beams with high quality and stability based on a novel approach that relies on the combination of two techniques that seem incompatible at first glance. The first is Complex Amplitude Mo
Externí odkaz:
http://arxiv.org/abs/2311.12250
Single-shot, full characterization of the spatial wavefunction of light fields via Stokes tomography
Autor:
Yu, Bing-Shi, Wu, Hai-Jun, Li, Chun-Yu, Jiang, Jia-Qi, Zhao, Bo, Rosales-Guzmán, Carmelo, Shi, Bao-Sen, Zhu, Zhi-Han
Since the diffraction behavior of a light field is fully determined by its spatial wavefunction, i.e., its spatial complex amplitude (SCA), full characterization of spatial wavefunction, plays a vital role in modern optics from both the fundamental a
Externí odkaz:
http://arxiv.org/abs/2310.20134
Autor:
Medina-Segura, Edgar, Mecillas-Hernandez, Francisco I., Konrad, Thomas, Rosales-Guzmán, Carmelo, Perez-García, Benjamin
Vector beams display varying polarisation over planes transversal to their direction of propagation. The variation of polarisation implies that the electric field cannot be expressed as a product of a spatial mode and its polarisation. This non-separ
Externí odkaz:
http://arxiv.org/abs/2307.04078