Devices that produce a super resolved image for use in optical s

Details Devices that produce a super resolved image for use in optical s Devices that produce a super resolved image for use in optical s

1997-02-28

1999-06-29

Healy, Brian

Coherent light generators

Particular beam control device

Optical output stabilization

372 31, 372102, 372 98, 372108, 359566, 359569, 369112, 369116, H01S 313, G02B 518, G11B 700

Patent

active

059178450

ABSTRACT:
Superresolution elements which provide masks and are integrated into superresolution lenses, and in confocal imaging, optical disk and reprographic systems and laser pattern generation systems. The elements are phase-only elements, where the phase transmittance varies across the diameter of the element while the amplitude transmission is kept to one, although the amplitude can be varied to provide more design flexibility. These element filters can be fabricated by means of a variety of techniques including diffractive optics technology, holographic methods, thin film deposition, and as gradient-index elements.

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patent: 5631687 (1997-05-01), Tanaka
The use of lenses with annular aperture in scanning optical microscopy, C.J.R. Sheppard, Optik, 48(1977).
High-Efficiency Replicated Diffractive Optics, Rochester Photonics Corporation, SPIE vol. 2600, Dec. '95, pp. 50-55.
Fabrication of continuous-relief micro-optical elements by direct laser writing in photoresists, Optical Engineering/Nov. '94, vol. 33 No. 11.
The Resolving Power of a Coated Objective II, Journal of the Optical Society of America, vol. 40, No. 4, Apr. 1950, pp. 222-224.
Reappraisal of arrays of concentric annuli as superresolving filters, JOSA Letters, vol. 72, No. 9/Sep. '82/J.Opt.Soc.Am.,pp. 1287-1291.
Superresolving filters in confocally scanned imaging systems, J. Opt.Soc.Am.A/vol. 3, No. 11/Nov. '86,pp.1892-1896.

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