Work

Phase Knife Coronagraph

Year: 2003

Type: article

Abstract: We report laboratory results from a monochromatic prototype of the Phase Knife Coronagraph which validate our previous theoretical and numerical simulations, prove the physical principle of it and set realistic limitations to the nulling properties of the coronagraph. The optical set-up, phase knife manufacturing technique and different aspects of the instrumental limitations are given. The first results attain easily a 3000 nulling effect obtained both on single and simulated double stars. Optical and mechanical stabilities are discussed and future steps to be carried out for a wide band version of this coronagraph are outlined.

Source: Astronomy and Astrophysics

DOI: 10.1051/0004-6361:20021834

Authors: L. Abe, A. Domiciano de Souza, F. Vakili, J. Gay

Institutions: Centre National de la Recherche Scientifique, Observatoire de la Côte d’Azur, Université Nice Sophia Antipolis

Language: English

Topic: Adaptive optics and wavefront sensing

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Centre National de la Recherche Scientifique

OpenAlex ID: W2164587250

FWCI: 1.687

Cites: 14

Cited by: 28

Related to: 10