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Optical encoder based on the fractional Talbot effect

✍ Scribed by Ching-Fen Kao; Mao-Hong Lu


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
194 KB
Volume
250
Category
Article
ISSN
0030-4018

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A phase-only diffractive optical element (DOE) for generating array of optical vortices with high compression ratio is presented. Since it is designed according to the fractional Talbot effect, we name the DOE optical vortex Talbot array illuminator (OVTAI). As an example, an OVTAI for generating a