Title :
Optical Filter Based on a Spatially Patterned Kinoform Diffractive Lens
Author :
Mínguez-Vega, Gladys ; Mendoza-Yero, Omel ; Tajahuerce, Enrique ; Lancis, Jesús ; Andrés, Pedro
Author_Institution :
Phys. Dept., Univ. Jaume I, Castellon de la Plana
fDate :
3/15/2009 12:00:00 AM
Abstract :
We demonstrate a compact all-diffractive setup for spectral synthesis. The system is composed of a circularly symmetric mask attached to a kinoform diffractive lens. Following diffraction-based analysis, a Fourier transform relation between the spatial mask function expressed in the squared radial coordinate and the axial spectral response of the system is found. Experimental results for slicing the initial spectrum in a few channels by using binary masks are in agreement with the theoretical predictions.
Keywords :
Fourier transform optics; computer-generated holography; diffractive optical elements; lenses; masks; optical fibre filters; Fourier transform; axial spectral response; binary mask theory; circularly symmetric mask; compact all-diffractive setup; diffraction-based analysis; diffractive optical element; kinoform diffractive lens; optical filter; spatial mask function expression; spectral synthesis; squared radial co-ordinate; Diffraction; optical filters; spectroscopy;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2008.2011368
