Characterization of ALPAO deformable mirrors for the NAOMI VLTI Auxiliary Telescopes adaptive optics

2018 ◽  
Author(s):  
Jean-Baptiste Le Bouquin ◽  
Jean-Philippe Berger ◽  
Sylvain Rochat ◽  
Laurent Jocou ◽  
Thibaut Moulin ◽  
...  
Keyword(s):  
Adaptive Optics ◽  
Deformable Mirrors

Characterization of deformable mirrors for high-order adaptive optics systems

2004 ◽  
Author(s):  
Remko Stuik ◽  
Stefan Hippler ◽  
Markus Feldt ◽  
Jesus Aceituno ◽  
Sebastian E. Egner
Keyword(s):  
Adaptive Optics ◽  
High Order ◽  
Deformable Mirrors

Large-Stroke MEMS Deformable Mirrors for Adaptive Optics

2006 ◽  
Vol 15 (3) ◽  
pp. 572-583 ◽  
Author(s):  
D.J. Dagel ◽  
W.D. Cowan ◽  
O.B. Spahn ◽  
G.D. Grossetete ◽  
A.J. Grine ◽  
...  
Keyword(s):  
Adaptive Optics ◽  
Deformable Mirrors

Real-time characterization of the spatio-temporal dynamics of deformable mirrors

2016 ◽  
Author(s):  
James Kilpatrick ◽  
Adela Apostol ◽  
Anatoliy Khizhnya ◽  
Vladimir Markov ◽  
Leonid Beresnev
Keyword(s):  
Real Time ◽  
Temporal Dynamics ◽  
Deformable Mirrors ◽  
Spatio Temporal

Laboratory characterization of a Foucault-like wavefront sensor for adaptive optics

1998 ◽  
Author(s):  
Armando Riccardi ◽  
N. Bindi ◽  
Roberto Ragazzoni ◽  
Simone Esposito ◽  
Paolo Stefanini
Keyword(s):  
Adaptive Optics ◽  
Wavefront Sensor ◽  
Laboratory Characterization

Bimorph Deformable Mirrors for Adaptive Optics of Human Retinal Imaging System

2013 ◽  
Vol 33 (2) ◽  
pp. 0211001 ◽  
Author(s):  
周虹 Zhou Hong ◽  
官春林 Guan Chunlin ◽  
戴云 Dai Yun
Keyword(s):  
Adaptive Optics ◽  
Imaging System ◽  
Retinal Imaging ◽  
Deformable Mirrors

scholarly journals Kepler-411: a four-planet system with an active host star

2019 ◽  
Vol 624 ◽  
pp. A15 ◽  
Author(s):  
L. Sun ◽  
P. Ioannidis ◽  
S. Gu ◽  
J. H. M. M. Schmitt ◽  
X. Wang ◽  
...  
Keyword(s):  
Adaptive Optics ◽  
Detailed Characterization ◽  
Dynamical Interaction ◽  
Transiting Planets ◽  
Imaging Results ◽  
Adaptive Optics Imaging ◽  
Dynamical Simulations ◽  
Mutual Inclination ◽  
Rocky Planets

We present a detailed characterization of the Kepler-411 system (KOI 1781). This system was previously known to host two transiting planets: one with a period of 3 days (R = 2.4 R⊕; Kepler-411b) and one with a period of 7.8 days (R = 4.4 R⊕; Kepler-411c), as well as a transiting planetary candidate with a 58-day period (R = 3.3 R⊕; KOI 1781.03) from Kepler photometry. Here, we combine Kepler photometry data and new transit timing variation (TTV) measurements from all the Kepler quarters with previous adaptive-optics imaging results, and dynamical simulations, in order to constrain the properties of the Kepler-411 system. From our analysis, we obtain masses of 25.6 ± 2.6 M⊕ for Kepler-411b and 26.4 ± 5.9 M⊕ for Kepler-411c, and we confirm the planetary nature of KOI 1781.03 with a mass of 15.2 ± 5.1 M⊕, hence the name Kepler-411d. Furthermore, by assuming near-coplanarity of the system (mutual inclination below 30°), we discover a nontransiting planet, Kepler-411e, with a mass of 10.8 ± 1.1 M⊕ on a 31.5-day orbit, which has a strong dynamical interaction with Kepler-411d. With densities of 1.71 ± 0.39 g cm−3 and 2.32 ± 0.83 g cm−3, both Kepler-411c and Kepler-411d belong to the group of planets with a massive core and a significant fraction of volatiles. Although Kepler-411b has a sub-Neptune size, it belongs to the group of rocky planets.

scholarly journals A Zernike mode decomposition decoupling control algorithm for dual deformable mirrors adaptive optics system

2013 ◽  
Vol 21 (20) ◽  
pp. 23885 ◽  
Author(s):  
Wenjin Liu ◽  
Lizhi Dong ◽  
Ping Yang ◽  
Xiang Lei ◽  
Hu Yan ◽  
...  
Keyword(s):  
Adaptive Optics ◽  
Control Algorithm ◽  
Decoupling Control ◽  
Deformable Mirrors ◽  
Mode Decomposition ◽  
Adaptive Optics System

Micro-electro-mechanical deformable mirrors for advanced adaptive optics applications

1999 ◽  
Author(s):  
J. Y. Decker ◽  
Scot S. Olivier ◽  
James A. Folta ◽  
William D. Cowan
Keyword(s):  
Adaptive Optics ◽  
Deformable Mirrors
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