Chromatic dispersion of a high-efficiency resonance domain diffractive lens

Inherent strong lateral and longitudinal chromatic dispersion of a transmission resonance domain off-axis diffractive lens were studied theoretically and experimentally. It is shown that a 4 mm diameter and 0.14 NA diffractive lens provides both focusing and dispersion with a spectral resolution of...

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Bibliographic Details
Published in:Applied optics (2004) 2015-07, Vol.54 (19), p.6098-6102
Main Authors: Barlev, Omri, Golub, Michael A
Format: Article
Language:English
Subjects:
Diffraction
Dispersions
Focusing
Helium-neon lasers
Lasers
Lenses
Spectra
Spectral resolution
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Summary:Inherent strong lateral and longitudinal chromatic dispersion of a transmission resonance domain off-axis diffractive lens were studied theoretically and experimentally. It is shown that a 4 mm diameter and 0.14 NA diffractive lens provides both focusing and dispersion with a spectral resolution of up to 0.09 nm, which is suitable for laser line spectral measurements. Experimental results for measured spectra of a mercury-argon source, a helium-neon laser, and RGB laser diodes pave a technological path to compact spectral sensors and microspectrometers.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.54.006098