Heterodyne Interferometer with Angstrom-level Periodic Nonlinearity

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Description

Displacement measuring interferometer systems and methods are disclosed. One or more acousto-optic modulators for receiving a laser light beam from a laser light source can be utilized to split the laser light beam into two or more laser light beams, while spatially separating frequencies thereof. One or more reflective mechanisms can be utilized to reflect one or more of the laser light beams back to the acoustooptic modulator. Interference of two or more of the laser light beams generally at the acousto-optic modulator can provide an interfered laser light beam thereof. A detector for receiving the interfered laser light beam ... continued below

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18 ; 1.15 MB pages

Creation Information

Schmitz, Tony L. & Beckwith, John F. January 25, 2005.

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This patent is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 35 times . More information about this patent can be viewed below.

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Description

Displacement measuring interferometer systems and methods are disclosed. One or more acousto-optic modulators for receiving a laser light beam from a laser light source can be utilized to split the laser light beam into two or more laser light beams, while spatially separating frequencies thereof. One or more reflective mechanisms can be utilized to reflect one or more of the laser light beams back to the acoustooptic modulator. Interference of two or more of the laser light beams generally at the acousto-optic modulator can provide an interfered laser light beam thereof. A detector for receiving the interfered laser light beam can be utilized to provide interferometer measurement data.

Physical Description

18 ; 1.15 MB pages

Notes

U.S. Patent and Trademark Office, www.uspto.gov; OSTI as DE00836215

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  • Other Information: Supercedes report DE00836215

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  • Report No.: PATENTS-US-A6847455
  • Office of Scientific & Technical Information Report Number: 836215
  • Archival Resource Key: ark:/67531/metadc780347

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 25, 2005

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • Feb. 16, 2017, 8:53 p.m.

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Schmitz, Tony L. & Beckwith, John F. Heterodyne Interferometer with Angstrom-level Periodic Nonlinearity, patent, January 25, 2005; (digital.library.unt.edu/ark:/67531/metadc780347/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.