Method of producing holographic optical element and device there

Details Method of producing holographic optical element and device there Method of producing holographic optical element and device there

1994-09-14

1998-07-14

Henry, Jon W.

Optical: systems and elements

Holographic system or element

Copying by holographic means

359 13, 359 35, G03H 120

Patent

active

057813175

ABSTRACT:
A method of producing a holographic optical element which is capable of imparting complex corrections to the holographic optical element and of effecting the exposure using a short optical path permitting little disturbance to be infiltrated. A correction holographic optical element 13 for correcting the characteristics of the holographic optical element is disposed in at least one of the optical paths of an object beam 35 and a reference beam 36 that fall on a photosensitive material 11. The object beam 35 may be one obtained by reflecting the reference beam 36 by a reflection-type holographic optical element such as a reflection-type master holographic optical element 12. In the case of a holographic optical element used for the head-up display, the correction holographic optical element 13 may be given characteristics for correcting the curvature of the windshield or characteristics for correcting color aberration.

REFERENCES:
patent: 3647289 (1972-03-01), Weber
patent: 3758186 (1973-09-01), Brumm
patent: 4530564 (1985-07-01), Close
patent: 4730912 (1988-03-01), Loy et al.
patent: 4943126 (1990-07-01), Lang et al.
patent: 5103323 (1992-04-01), Magarinos et al.

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