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Title: Content-based fused off-axis object illumination direct-to-digital holography

Abstract

Systems and methods are described for content-based fused off-axis illumination direct-to-digital holography. A method includes calculating an illumination angle with respect to an optical axis defined by a focusing lens as a function of data representing a Fourier analyzed spatially heterodyne hologram; reflecting a reference beam from a reference mirror at a non-normal angle; reflecting an object beam from an object the object beam incident upon the object at the illumination angle; focusing the reference beam and the object beam at a focal plane of a digital recorder to from the content-based off-axis illuminated spatially heterodyne hologram including spatially heterodyne fringes for Fourier analysis; and digitally recording the content based off-axis illuminated spatially heterodyne hologram including spatially heterodyne fringes for Fourier analysis.

Inventors:
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175731
Patent Number(s):
7038787
Application Number:
10/234,043
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
G - PHYSICS G03 - PHOTOGRAPHY G03H - HOLOGRAPHIC PROCESSES OR APPARATUS
G - PHYSICS G01 - MEASURING G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Price, Jeffery R. Content-based fused off-axis object illumination direct-to-digital holography. United States: N. p., 2006. Web.
Price, Jeffery R. Content-based fused off-axis object illumination direct-to-digital holography. United States.
Price, Jeffery R. Tue . "Content-based fused off-axis object illumination direct-to-digital holography". United States. https://www.osti.gov/servlets/purl/1175731.
@article{osti_1175731,
title = {Content-based fused off-axis object illumination direct-to-digital holography},
author = {Price, Jeffery R.},
abstractNote = {Systems and methods are described for content-based fused off-axis illumination direct-to-digital holography. A method includes calculating an illumination angle with respect to an optical axis defined by a focusing lens as a function of data representing a Fourier analyzed spatially heterodyne hologram; reflecting a reference beam from a reference mirror at a non-normal angle; reflecting an object beam from an object the object beam incident upon the object at the illumination angle; focusing the reference beam and the object beam at a focal plane of a digital recorder to from the content-based off-axis illuminated spatially heterodyne hologram including spatially heterodyne fringes for Fourier analysis; and digitally recording the content based off-axis illuminated spatially heterodyne hologram including spatially heterodyne fringes for Fourier analysis.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2006},
month = {5}
}

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Works referenced in this record:

Linnik tomographic microscope for investigation of optically transparent objects
journal, October 1998


Holographic Fringe Linearization Interferometry For Defect Detection
journal, August 1985