Odd-symmetry phase gratings produce optical nulls uniquely insensitive to wavelength and depth

Odd-symmetry phase gratings produce optical nulls uniquely insensitive to wavelength and depth

This Letter presents the analysis of a new class of diffractive optical element, the odd-symmetry phase grating, which creates wavelength- and depth-robust features in its near-field diffraction pattern.

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Veröffentlicht in:Optics letters 2013-06, Vol.38 (12), p.2074-2076
1. Verfasser: Gill, Patrick R
Format: Artikel
Sprache:eng
Schlagworte:
Diffraction gratings
Diffraction patterns
Diffractive optical elements
Gratings (spectra)
Wavelengths
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Beschreibung
Zusammenfassung:This Letter presents the analysis of a new class of diffractive optical element, the odd-symmetry phase grating, which creates wavelength- and depth-robust features in its near-field diffraction pattern.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.002074