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Method to mosaic gratings that relies on analysis of far-field intensity patterns in two wavelengths

โœ Scribed by Yao Hu; Lijiang Zeng; Lifeng Li

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
202 KB
Volume
269
Category
Article
ISSN
0030-4018

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Measurement of period difference in grat
Measurement of period difference in grating pair based on analysis of far-field intensity patterns
โœ Chao Guo; Lijiang Zeng ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 307 KB

We propose and demonstrate an experimental method for measuring the period difference in grating pair. The method uses the compensating relationship between line-density difference and the Littrow-angle difference of gratings. Far-field intensity patterns of 0th-and ร€1st-orders diffraction beams are