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astronomy & astrophysics (85) 85
phase-mask coronagraph (62) 62
astrophysics (42) 42
optics (40) 40
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physics - instrumentation and methods for astrophysics (34) 34
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coronagraphy (25) 25
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stellar coronagraph (15) 15
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hr 8799 (10) 10
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astrophysics - earth and planetary astrophysics (9) 9
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astrophysics, cosmology and astronomy (8) 8
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Optics Letters, ISSN 0146-9592, 12/2005, Volume 30, Issue 24, pp. 3308 - 3310
We describe a method to observe dim exoplanets that eliminates light from the parent star across the entire exit pupil without sacrificing light from the... 
TRANSFORM | FILTER | OPTICS | PHASE-MASK | STELLAR CORONAGRAPH
Journal Article
Journal of Optics A: Pure and Applied Optics, ISSN 1464-4258, 09/2009, Volume 11, Issue 9, pp. 094022 - 094022
An optical vortex coronagraph is a high contrast imaging system which has the potential to completely extinguish light from an on-axis point source, allowing... 
Coronagraph | Fourier | Exoplanet | Lyot | Hankel | Bessel functions | Optical vortex | optical vortex | PHASE MASK | exoplanet | coronagraph | OPTICS | Point sources | Extrasolar planets | Vortices | Stars | Imaging | Fluid flow | Coronagraphs | Heuristic
Journal Article
Optics Express, ISSN 1094-4087, 07/2008, Volume 16, Issue 14, pp. 10200 - 10207
Using an optical vortex coronagraph and simple adaptive optics techniques, we have made the first convincing demonstration of an optical vortex coronagraph... 
PLANET | FILTER | OPTICS | ELECTRON-BEAM LITHOGRAPHY | PHASE-MASK CORONAGRAPH | LABORATORY DEMONSTRATION
Journal Article
Optics Express, ISSN 1094-4087, 11/2007, Volume 15, Issue 24, pp. 15935 - 15951
Journal Article
Publications of the Astronomical Society of the Pacific, ISSN 0004-6280, 03/2018, Volume 130, Issue 985, p. 35001
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2017, Volume 10400
Conference Proceeding
Physical Review Letters, ISSN 0031-9007, 2006, Volume 97, Issue 5, p. 053901
A coronagraph designed for high contrast imaging applications has been experimentally tested using coherent laser light and a vortex mask of topological charge... 
PHASE MASK | ANGULAR-MOMENTUM | FABRICATION | PHYSICS, MULTIDISCIPLINARY | PHOTONS
Journal Article
Optics Express, ISSN 1094-4087, 03/2013, Volume 21, Issue 6, pp. 7400 - 7410
A vector vortex coronagraph (VVC) is one of promising means for imaging extremely faint objects around bright stars such as exoplanets. We present a design of... 
TELESCOPES | ELEMENTS | MANIPULATION | STAR | PHASE-MASK CORONAGRAPH | PANCHARATNAM PHASE | FABRICATION | CRYSTAL | OPTICS | VARIANT SUBWAVELENGTH GRATINGS | POLARIZED-LIGHT | Color | Telescopes | Image Enhancement - instrumentation | Computer-Aided Design | Equipment Design | Refractometry - instrumentation | Equipment Failure Analysis
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 04/2017, Volume 600, p. A46
Journal Article
Optics Communications, ISSN 0030-4018, 09/2018, Volume 423, pp. 186 - 199
In this paper is presented an analytical study of the azimuthal phase-mask coronagraph currently envisioned for detecting and characterizing extra-solar... 
Phase mask coronagraph | Fourier optics | Coronagraphy | Physics - Instrumentation and Methods for Astrophysics
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 10/2013, Volume 435, Issue 1, pp. 565 - 569
Broad-band coronagraphy with deep nulling and small inner working angle has the potential of delivering images and spectra of exoplanets and other faint... 
Instrumentation: Miscellaneous | Planets and satellites: Detection | VORTICES | STAR | ASTRONOMY & ASTROPHYSICS | PHASE MASK | instrumentation: miscellaneous | planets and satellites: detection | LABORATORY DEMONSTRATION | HR 8799
Journal Article
Astronomical Journal, ISSN 0004-6256, 01/2017, Volume 153, Issue 1, pp. 43 - 43
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 0004-6361, 07/2010, Volume 517, p. A55
Context. Because of the larger size of future telescopes, the star leakage effect due to the finite diameter of the stars will become a major problem for... 
PLANETS | PATH | APERTURES | PHASE-MASK CORONAGRAPH | PERFORMANCE | STAR | EXOPLANETS | ASTRONOMY & ASTROPHYSICS | VORTEX CORONAGRAPH | techniques: high angular resolution | ALPHA-ORIONIS | instrumentation: high angular resolution | techniques: interferometric | KELVIN STELLAR INTERFEROMETER
Journal Article
Optics Letters, ISSN 0146-9592, 08/2002, Volume 27, Issue 16, pp. 1373 - 1375
A nulling stellar coronagraph based on polarization interferometry is proposed that has achromatic characteristics. The principle and the optical setup of the... 
PHASE-MASK CORONAGRAPH | 4-QUADRANT | OPTICS
Journal Article
Optics Express, ISSN 1094-4087, 02/2009, Volume 17, Issue 3, pp. 1902 - 1918
In this paper, after briefly reviewing the theory of vectorial vortices, we describe our technological approach to generating the necessary phase helix, and... 
PANCHARATNAM PHASE | MANIPULATION | IMAGE | OPTICS | PHASE-MASK CORONAGRAPH | ADAPTIVE OPTICS | Physics - Instrumentation and Methods for Astrophysics
Journal Article
Publications of the Astronomical Society of the Pacific, ISSN 0004-6280, 07/2015, Volume 127, Issue 953, pp. 633 - 645
The imaging channel on the Mid-Infrared Instrument (MIRI) is equipped with four coronagraphs that provide high-contrast imaging capabilities for studying faint... 
Optical filters | Wavelengths | Planets | Astronomical objects | Extrasolar planets | Imaging | Reference stars | Debris disks | Telescopes | Instrumentation | Coronagraphs | PLANETS | 4-QUADRANT PHASE-MASK | DEBRIS DISKS | EXOPLANETS | ASTRONOMY & ASTROPHYSICS | Physics - Instrumentation and Methods for Astrophysics | Physics | Astrophysics
Journal Article
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