Passive Focus Detection of Monochromatic Spatially Incoherent Sources

Se Baek Oh; George Barbastathis

doi:10.1364/FIO.2008.FThQ5

Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper FThQ5
•https://doi.org/10.1364/FIO.2008.FThQ5

Passive Focus Detection of Monochromatic Spatially Incoherent Sources

Se Baek Oh and George Barbastathis

Frontiers in Optics 2008

Rochester, New York United States
19–23 October 2008
ISBN: 978-1-55752-861-2

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Imaging and Detection (FThQ)

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S. B. Oh and G. Barbastathis, "Passive Focus Detection of Monochromatic Spatially Incoherent Sources," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper FThQ5.

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Abstract

We present a new passive focus detection method for monochromatic and spatially incoherent sources. Using a volume holographic interferometer, we detect the object’s axial position without using active illumination, additional cameras, or prior-information.

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