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Resonance domain surface relief diffractive lens for the visible spectral region |
Applied Optics, Vol. 52, Issue 7, pp. 1531-1540 (2013)
http://dx.doi.org/10.1364/AO.52.001531
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Abstract
Early expectations for a role of diffractive lenses were dramatically lessened by their high order overlapping foci, low optical powers, and competing advances in refractive micro-optics. By bringing the Bragg properties of volume holograms to diffractive lenses we got rid of ghost diffractive orders and the critical trade-off between diffraction efficiency, number of phase levels, and spatial feature-size. Binary off-axis resonance domain diffractive lens with high numerical aperture of 0.16 was designed with analytical effective grating theory, fabricated by direct e-beam writing, etched in fused silica and experimentally investigated. More than 81% measured diffraction efficiency exceeds twice the limits of thin binary optics.
© 2013 Optical Society of America
OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1970) Diffraction and gratings : Diffractive optics
(090.0090) Holography : Holography
(350.3950) Other areas of optics : Micro-optics
ToC Category:
Diffraction and Gratings
History
Original Manuscript: October 31, 2012
Revised Manuscript: January 2, 2013
Manuscript Accepted: February 4, 2013
Published: February 28, 2013
Citation
Omri Barlev and Michael A. Golub, "Resonance domain surface relief diffractive lens for the visible spectral region," Appl. Opt. 52, 1531-1540 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-7-1531
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