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Opto-thermo-mechanical numerical simulations of three different concepts of infrared achromatic phase shifters

Chazelas, Bruno and Valette, Claude and Lépine, Thierry and Barillot, Marc and Brachet, Frank and Dervaux, Sebatien and Fressin, François and Gay, Jean and Gadret, Gregory and Labèque, Alain and Léger, Alain and Launhardt, Ralph and Mangin, Jacques and Mawet, Dimitri and Ollivier, Marc and Rabbia, Yves and Schmidt, Elke (2004) Opto-thermo-mechanical numerical simulations of three different concepts of infrared achromatic phase shifters. In: New Frontiers in Stellar Interferometry. Proceedings of SPIE. No.5491. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 689-697. ISBN 9780819454232. https://resolver.caltech.edu/CaltechAUTHORS:20190118-080147608

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Abstract

The Darwin/TPF mission aims at detecting directly extra solar planets. It is based on the nulling interferometry, concept proposed by Bracewell in 1978, and developed since 1995 in several European and American laboratories. One of the key optical devices for this technique is the achromatic phase shifter (APS). This optical component is designed to produce a π phase shift over the whole Darwin spectral range (i.e. 6-18 μm), and will be experimentally tested on the NULLTIMATE consortium nulling test bench (Labèque et al). Three different concepts of APS are being simulated: dispersive plates focus crossing and field reversal. In this paper, we show how thermal, mechanical and optical models are merged into a single robust model, allowing a global numerical simulation of the optical component performances. We show how these simulations help us to optimizing the design and present results of the numerical model.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.551587DOIArticle
ORCID:
AuthorORCID
Mawet, Dimitri0000-0002-8895-4735
Additional Information:© 2004 Society of Photo-optical Instrumentation Engineers (SPIE). This work has been done under The ESA contract N◦17 005/02/NL/JA. It would not have been possible without the help of the whole NULLTIMATE CONSORTIUM e.g : Alcatel Space, OCA, Kayser Threde ...., the PhD grant of the author (B.C.) is funded by CNRS and ALCATEL SPACE Industries.
Funders:
Funding AgencyGrant Number
European Space Agency (ESA)17 005/02/NL/JA
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
ALCATEL SPACE IndustriesUNSPECIFIED
Subject Keywords:Darwin, numerical simulation, achromatic phase shifter, Nulling, Interferometry
Series Name:Proceedings of SPIE
Issue or Number:5491
Record Number:CaltechAUTHORS:20190118-080147608
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190118-080147608
Official Citation:Bruno Chazelas, Claude Valette, Thierry Lepine, Marc Barillot, Frank Brachet, Sebatien Dervaux, Francois Fressin, Jean Gay, Gregory Gadret, Alain Labeque, Alain Leger, Ralph Launhardt, Jacques Mangin, Dimitri Mawet, Marc Ollivier, Yves Rabbia, Elke Schmidt, "Opto-thermo-mechanical numerical simulations of three different concepts of infrared achromatic phase shifters," Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.551587
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92360
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Jan 2019 23:02
Last Modified:03 Oct 2019 20:43

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