Title :
Numerical aperture increasing in digital holography by a two-dimensional grating
Author :
Paturzo, Melania ; Ferraro, P.
Author_Institution :
Ist. Naz. di Ottica Applicata, Pozzuoli, Italy
Abstract :
We show how it is possible to increase synthetically the numerical aperture of an interferometric imaging system using a 2D diffraction grating, thus improving the spatial resolution of the reconstructed images up to three times.
Keywords :
holographic gratings; holographic interferometry; image reconstruction; 2D diffraction grating; digital holography; image reconstruction; interferometric imaging system; numerical aperture; Apertures; Charge coupled devices; DH-HEMTs; Diffraction gratings; Holographic optical components; Holography; Image reconstruction; Image resolution; Optical imaging; Spatial resolution;
Conference_Titel :
LEOS Annual Meeting Conference Proceedings, 2009. LEOS '09. IEEE
Conference_Location :
Belek-Antalya
Print_ISBN :
978-1-4244-3680-4
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2009.5343434
