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  4. High-NA Confocal Measurement by Diffractive Optical Elements
 
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2020
Konferenzbeitrag
Titel

High-NA Confocal Measurement by Diffractive Optical Elements

Abstract
Diffractive optical elements (DOEs) can produce high-numerical-aperture (NA)spots over a large field. They can be combined with a low-NA objective to measure a large area with high resolution. This work shows experiments of using DOEs in reflection confocal microscope to resolve small structures beyond the capability of the objective. Both qualitative and quantitative results have shown enhancement in lateral and axial resolution by the application of the DOEs, which also agrees to the imaging theory of confocal microscopes.
Author(s)
Li, Zheng
Hauptwerk
Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory 2019. Proceedings
Konferenz
Fraunhofer Institute of Optronics, System Technologies and Image Exploitation and Institute for Anthropomatics, Vision and Fusion Laboratory (Joint Workshop) 2019
File(s)
N-608689.pdf (2.06 MB)
Language
Englisch
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