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Proceedings Paper

Visible And Near Infrared HOE's Example Of Geometrical And Chromatic Aberrations In The Case Of An Off-Axis Mirror
Author(s): Christian Liegeois; Patrice Twardowski
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Paper Abstract

Geometrical and chromatic aberrations of a .specific off-axis holographic mirror are described. This element, basically a collimator, can be made for use in the visible or in the near infrared. A major problem is to avoid or reduce aberrations that result from the shift between the wavelength of reconstruction and recording for a given off-axis reconstruction angle. Holographic recording with an aspheric wave created by a computer generated hologram is presented in an example. The development is made for a collimator in the visible, as used in a Head-Up-Display (HUD), but the given considerations remain valid for an infrared case.

Paper Details

Date Published: 16 January 1988
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Proc. SPIE 0952, Laser Technologies in Industry, (16 January 1988); doi: 10.1117/12.968843
Show Author Affiliations
Christian Liegeois, X-IAL Co. (France)
Patrice Twardowski, X-IAL Co. (France)


Published in SPIE Proceedings Vol. 0952:
Laser Technologies in Industry

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