Integrated Photonics Research and Applications/Nanophotonics for Information Systems 2005
DOI: 10.1364/ipra.2005.itua3
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Tomographic Reconstruction of 3D Index Structures in Photopolymer

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“…Therefore, phase information is not required. We also overcome the low signal-to-noise problem of measuring weak index structures by optically ruling many equally spaced, identical waveguides, forming a grating with a diffraction efficiency that grows as the square of the number of illuminated lines [8]. The measured diffracted field will then be sampled at a spatial frequency of one over the grating period.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, phase information is not required. We also overcome the low signal-to-noise problem of measuring weak index structures by optically ruling many equally spaced, identical waveguides, forming a grating with a diffraction efficiency that grows as the square of the number of illuminated lines [8]. The measured diffracted field will then be sampled at a spatial frequency of one over the grating period.…”
Section: Resultsmentioning
confidence: 99%