| 21. | Her research interests include VCSELs, high contrast gratings, and nanostructure growth.
 
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 | 22. | Phase stepping one of the gratings is performed to retrieve the phase images.
 
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 | 23. | Such gratings can be either transmissive or reflective.
 
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 | 24. | Gratings with such small periodicity are called subwavelength gratings and exhibit special optical properties.
 
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 | 25. | Gratings with such small periodicity are called subwavelength gratings and exhibit special optical properties.
 
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 | 26. | Another method for manufacturing diffraction gratings uses a photosensitive gel sandwiched between two substrates.
 
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 | 27. | Holographic gratings are also used, as they allow more accurate discrimination of wavelengths.
 
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 | 28. | Recently, an alternative to prisms and gratings has been developed : chirped mirrors.
 
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 | 29. | Slender columns with Ionic capitals upheld the chiseled gratings balconies of the second floor.
 
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 | 30. | It's ideal as a topping for pasta with fresh gratings of Parmesan cheese.
 
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