Help and disclaimer

 The Laboratory of Applied Optics (LOA) is an institution under the supervision of ENSTA-ParisTech, Ecole Polytechnique and CNRS. It is located at:


Chemin de la Hunière
91761 Palaiseau Cedex, France
Phone: +33 1 69 31 99 99
Fax: +33 1 69 31 99 96

Publishing Director: Director of the LOA, Mr. Antoine Rousse
Accommodation: This site is hosted by ENSTA-ParisTech

Visitors commitments

The simple fact of the access to this website, any visitor accepts unrestricted legal provisions contained in these pages. This site is subject to French law. Any possible legal action relating to this site must be brought under this Act and the competent courts in Paris, France.

Site content

LOA strives to keep up to date the information contained in this site to ensure accuracy. However, in case of delay of updating, errors or omissions in the content of this site, LOA disclaims any liability (direct or indirect) with respect to the possible consequences for anyone to the use that could be made of the information. The LOA also disclaims responsibility for any interruption or unavailability of service. It also can not guarantee the completeness of the information or lack of modification by a third party (intrusion, virus).

LOA reserves the right to correct the content of this site at any time for any reason without notice or notification. It can not be held liable in any manner whatsoever for the consequences of such changes.


The hypertext links established towards other sites do not constitute a service provided free to visitors and can not therefore engage the responsibility of the LOA on the content of these sites.


Outside the Home tab of the menu, return to the home page can click on the logo, top left. 
Bottom right, two icons marked with the letter A can increase or decrease the font size of the main text.
Top right, the white rectangle to display the site on a light background (writing dark). Conversely, the black rectangle allows a return to baseline.
When available, a flag can clear the display in the language that symbolizes. The current language is symbolized by a flag color.
The printer icon above, print the current page in a simplified version of the same as pressing Ctrl + P.
Ctrl + F will find any instance in the active window.
It is also possible to change the overall look of the site by combining the keyboard: Ctrl + + (plus sign) to expand or Ctrl + - (minus sign) to decrease the size of the window contents.


The LOA will not sell, share or disclose your personal data to third parties. However, these data may occasionally be transmitted confidentially to a third party acting on behalf of the LOA in the use for which they were originally collected.


Under Law No. 78-17 of January 6, 1978 (Data Protection Act), you are entitled to access and update your personal data and the right to request removal. The LOA is committed to ensuring that your personal data is current, accurate and complete.


This site is governed by French law and international copyright, trademark and that, in general, on intellectual property. This concerns both the shape of the site (choice, planning, organization and means of access to data) that each element of its content (texts, images, etc..). These contents are the exclusive property of the LOA and its contributors, including Peter Pesty (designer / director).

Reproduction in whole or in part, other than the private use of the contents of this site in any medium or by any means whatsoever without the express consent of the LOA, or any redistribution of content in whole or part, constitutes an infringement and will likely lead to lawsuits.

Photo credits

Unless otherwise stated, the photos on this site were taken by the LOA.

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