Optics: measuring and testing – Lens or reflective image former testing
Reexamination Certificate
2002-08-12
2004-11-16
Font, Frank G. (Department: 2877)
Optics: measuring and testing
Lens or reflective image former testing
C356S004090, C356S603000, C356S604000, C250S23700G, C382S285000, C382S286000
Reexamination Certificate
active
06819415
ABSTRACT:
BACKGROUND OF THE INVENTION
a) Field of the Invention
The invention relates to an assembly for increasing the depth discrimination of an optical imaging system.
b) Related Art
[1] Gröbler, et al.
U.S. Pat. No. 5,493,400, “Arrangement for projecting a test pattern onto a surface to be investigated: Priority date: Jul. 7, 1993
[2] G. Schöppe et al.
German Application “Optical projection grating” Priority date: Oct. 26, 1993
[3] G. Schöppe
“Method and device for depth selection of microscope images” German File Number 199 30 816.0: Jul. 9, 1999
[4] Ben Levy, et al.
U.S. Pat, No. 5,867,604 “Imaging measurement system”, Continuation-in-Part of 08/510,632, Priority date: Aug. 3, 1995, US
[5] Ben Levy, et al.
PCT Application WO 97/06509, “Imaging measurement system” Priority date: Aug. 3, 1995
Publications
[6] T. Wilson, et al.
“Method of obtaining optical sectioning by using structured light in a conventional microscope”,
Optics Letters
22 (24) (1997)
[7] T. Wilson, et al.
“Real-time three-dimensional imaging of macroscopic structures”,
Journal of Microscopy
191 (2) (1998)
[8] M. A. A. Neil, et al.
“Real time 3D fluorescence microscopy by two beam interference illumination”,
Optics Communications
153, (1998)
[9] F. Lanni, et al.
“Grating Image Systems for Optical Sectioning Fluorescence Microscopy of Cells, Tissues and Small Organisms”, published in
Imaging Neurons—A Laboratory Manual
, edited by R. Yuste, F.
Lanni, A, Konnerth, Cold Spring Harbor Laboratory Press (2000)
[10] Q. S. Hanley, P. J. Verveer, T. M. Jovin
“Optical sectioning fluorescence spectroscopy in a programmable array microscope”,
Applied Spectroscopy
52 (6): 783 (1998)
SUMMARY OF THE INVENTION
The current invention involves the method for increasing the depth discrimination of optically imaging systems. The method comprises the steps of: projecting a periodic structure in the object; detecting multiple structured images of the object with different phase angles of the projected structure; and generating optical sections by evaluation of the images with the N different phase angles by utilizing different equations.
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English Abstract of DE 44 36 500 A1.
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Article: Real-Time Three-Dimensional Imaging of Macroscopic Structures, T. Wilson, M. A. A. Neil & R. Juskaitis, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3 PJ, U.K. Journal of Microscopy, vol. 191, Pt. 2., pp. 116-118, Aug. 1998.
Article: Optics Communications Real Time 3D Fluorescence Microscopy by Two Beam Interference Illumination, T. Wilson, M. A. A. Neil & R. Juskaitis, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3 PJ, U.K. Jul. 15, 1998.
Article: Grating Image Systems for Optical Sectioning Fluorescence Microscopy of Cells, Tissues, and Small Organisms, Frederick Lanni and Tony Wilson, Imaging Neurons—a Laboratory Manual, Cold Spring Harbor Laboratory Press 2000.
Article: Optical Sectioning Fluorescence Spectroscopy in a Programmable Array Microscope, Quentin S. Hanley, Peter J. Verveer, and Thomas M. Jovin, Applied Spectroscopy vol. 52, No. 6, 1998.
Article: Method of Obtaining Optical Sectioning by Using Structured Light in a Conventional Microscope, T. Wilson, M. A. A. Neil & R. Juskaitis, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3 PJ, U.K. vol. 22, No. 24/Optics Letters, December 15, 1997.
Bloos Helmut
Gerstner Volker
Hecht Frank
Lange Ralph
Brown Khaled
Carl Zeiss Jena GmbH
Font Frank G.
Reed Smith LLP
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