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Optical encoder based on Fractional-Talbot effect using two-dimensional phase grating

✍ Scribed by Ching-Fen Kao; Hung-Lin Huang; Sheng-Hua Lu


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
653 KB
Volume
283
Category
Article
ISSN
0030-4018

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## Abstract A new design of quasi‐optical (QO) power divider at millimeter wave band is presented in this article. The Talbot Effect of periodical phase grating is applied to realize power dividing with high efficiency. A novel periodic phase profile was adopted to make a linear region of zero diff