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FALCONER SIGNED

Forging Advanced Liquid-Crystal Coronagraphs Optimized for Novel Exoplanet Research

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

FALCONER project word cloud

Explore the words cloud of the FALCONER project. It provides you a very rough idea of what is the project "FALCONER" about.

observations dark instrumental habitable degree sky crystal successfully wavelengths sufficiently search sensitive telescope breakthrough spectropolarimetry zones instrument incorporate coronagraph imaging coronagraphs imaged plane elt holes 1e contrast telescopes coronagraphy individual protoplanetary segmentation signs infrared strengths rejection technologies starlight 360 regions achromatic nearby thermal wavelength exoplanets self pupil lab planet validate brand luminous stars accurate atmospheric observe wavefront hybrid right polarimetry focal prototype photometry performance close hazes broadband combine strategy amplitude sensing liquid improvement light designs inner unable disks meter manipulating star extremely suppress mirror ultimate combining 39 planes building class observational rocky

Project "FALCONER" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITEIT LEIDEN Organization address address: RAPENBURG 70 city: LEIDEN postcode: 2311 EZ website: www.universiteitleiden.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Netherlands [NL]
Total cost	1˙499˙522 €
EC max contribution	1˙499˙522 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-STG
Funding Scheme	ERC-STG
Starting year	2016
Duration (year-month-day)	from 2016-04-01 to 2021-03-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITEIT LEIDEN UNIVERSITEIT LEIDEN Organization address address: RAPENBURG 70 city: LEIDEN postcode: 2311 EZ website: www.universiteitleiden.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (LEIDEN)	coordinator	1˙499˙522.00

Map

Project objective

The 39-m European Extremely Large Telescope (E-ELT) has the potential to directly observe and characterize habitable exoplanets, but current technologies are unable to sufficiently suppress the starlight very close to the star. I propose to develop a novel instrumental approach with breakthrough contrast performance by combining coronagraphs based on brand-new liquid crystal technology, and sensitive imaging polarimetry. The novel coronagraphs will provide an achromatic rejection of starlight even right next to the star such that exoplanets can be imaged efficiently in broadband light and characterized through spectropolarimetry. The coronagraphs will incorporate focal-plane wavefront sensing and polarimetry to achieve an ultimate contrast of 1E-9, which will enable the E-ELT to observe habitable exoplanets.

We will prototype coronagraph designs of increasing contrast performance, validate them in the lab, and apply them on-sky using 6-8 meter class telescopes. With our coronagraphs that offer a contrast improvement by a factor of 10 as compared to current systems in 360-degree dark holes, we will search for self-luminous exoplanets very close to stars at thermal infrared wavelengths, and characterize known targets with multi-wavelength observations. Through accurate photometry and polarimetry, we will study their atmospheric hazes. By combining liquid-crystal coronagraphy with sensitive polarimetry, we will study the inner regions of protoplanetary disks to find signs of planet formation.

By manipulating both phase and amplitude in pupil and focal planes, we will establish hybrid coronagraph systems that combine the strengths of individual concepts, and that can be adapted to the telescope mirror segmentation and the observational strategy. The proposed research will demonstrate the technologies necessary for building an instrument for the E-ELT that can successfully study rocky exoplanets in the habitable zones of nearby stars.

Publications

List of publications.
year	authors and title	journal	last update
2019	A. J. Bohn, M. A. Kenworthy, C. Ginski, M. Benisty, J. de Boer, C. U. Keller, E. E. Mamajek, T. Meshkat, G. A. Muro-Arena, M. J. Pecaut, F. Snik, S. G. Wolff, M. Reggiani Discovery of a directly imaged disk in scattered light around the Sco-Cen member Wray 15-788 published pages: A87, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834523	Astronomy & Astrophysics 624	2019-06-07
2019	Frans Snik, Michiel Rodenhuis, Michael J. Escuti, Leandra Brickson, Kathryn Hornburg, Jihwan Kim, Chris Kievid, Sebastiaan Groenhuijsen, Daan Roosegaarde Producing true-color rainbows with patterned multi-layer liquid-crystal polarization gratings published pages: 1583, ISSN: 2159-3930, DOI: 10.1364/ome.9.001583	Optical Materials Express 9/4	2019-06-07
2019	David S. Doelman, Michael J. Escuti, Frans Snik Multi-color holography with a two-stage patterned liquid-crystal element published pages: 1246, ISSN: 2159-3930, DOI: 10.1364/ome.9.001246	Optical Materials Express 9/3	2019-06-07
2017	Gilles P. P. L. Otten, Frans Snik, Matthew A. Kenworthy, Christoph U. Keller, Jared R. Males, Katie M. Morzinski, Laird M. Close, Johanan L. Codona, Philip M. Hinz, Kathryn J. Hornburg, Leandra L. Brickson, Michael J. Escuti ON-SKY PERFORMANCE ANALYSIS OF THE VECTOR APODIZING PHASE PLATE CORONAGRAPH ON MagAO/Clio2 published pages: 175, ISSN: 1538-4357, DOI: 10.3847/1538-4357/834/2/175	The Astrophysical Journal 834/2	2019-04-18
2019	David S. Doelman, Fedde Fagginger Auer, Michael J. Escuti, Frans Snik Simultaneous phase and amplitude aberration sensing with a liquid-crystal vector-Zernike phase mask published pages: , ISSN: 0146-9592, DOI:	Optics Letters	2019-04-18
2019	Matthew A. Kenworthy, Johanan L. Codona, Frans Snik Pupil Plane Phase Apodization published pages: , ISSN: , DOI:	Handbook of Astronomical Instrumentation	2019-04-18
2019	Haffert, S. Y.; Por, E. H.; Keller, C. U.; Kenworthy, M. A.; Doelman, D. S.; Snik, F.; Escuti, M. J. The Single-mode Complex Amplitude Refinement (SCAR) coronagraph: II. Lab verification, and toward the characterization of Proxima b published pages: , ISSN: 0004-6361, DOI:	Astronomy & Astrophysics	2019-04-18
2018	C. Ginski, M. Benisty, R. G. van Holstein, A. JuhÃ¡sz, T. O. B. Schmidt, G. Chauvin, J. de Boer, M. Wilby, C. F. Manara, P. Delorme, F. MÃ©nard, P. Pinilla, T. Birnstiel, M. Flock, C. Keller, M. Kenworthy, J. Milli, J. Olofsson, L. PÃ©rez, F. Snik, N. Vogt First direct detection of a polarized companion outside a resolved circumbinary disk around CS Chamaeleonis published pages: A79, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201732417	Astronomy & Astrophysics 616	2019-04-18

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