Optical element with full complex modulation

Details Optical element with full complex modulation Optical element with full complex modulation

G - Physics

02

B

G02B 5/00 (2006.01) G02B 5/20 (2006.01) G02B 26/06 (2006.01)

Patent

CA 2454892

The present invention is related to an optical element that carries out the full complex phase and amplitude modulation of light wave fronts. The phase modulation can be attained by changing the optical pathway (for example, by changing the thickness or introducing a relief upon the optical surface) and the amplitude modulation is carried out by blocking the light pathway, (for example, by reflecting, absorbing, attenuating, blocking, polarizing or changing the polarization of the light).

L'invention concerne un élément optique effectuant la modulation de phase complexe totale et d'amplitude de fronts d'onde lumineuse. La modulation de phase peut être obtenue en modifiant le parcours optique (par exemple, en changeant l'épaisseur ou en introduisant un dégagement sur la surface optique), cependant que la modulation d'amplitude s'effectue par blocage du parcours lumineux (par exemple, par réflexion, absorption, atténuation, blocage, polarisation ou changement de polarisation de la lumière).

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