Send to:

Choose Destination
See comment in PubMed Commons below
Appl Opt. 2006 Jan 1;45(1):144-50.

Extended focus diffractive optical element for Gaussian laser beams.

Author information

  • 1Holo-Or, Ltd., Kiryat Weizmann, P.O. Box 1051, Rehovot 76114, Israel.


The depth of focus of the Gaussian beam is extended by introducing a wavefront phase correction with properly designed diffractive optical elements. Results of the computer simulations show that, compared with other methods, the presented method demonstrates a reduced focal spot size and low sidelobes in a focal domain, within a considerable range of defocusing distances. Experimental results for the visible range diffractive optical element with a focus of 40 mm and a depth of focus that extends to 1 mm agree with the theory.

PubMed Commons home

PubMed Commons

How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Optical Society of America
    Loading ...
    Write to the Help Desk