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Abstract:
The volume grating formed by interfernce of one spherical wave and a planar wave is aperiodic due to its grating vector changes within the volume of hologram. The depth selectivity of aperiodic volume holographic gratings is investigated as spatial-spectral filters in volume holographic imaging systems. The diffractive characteristics of aperiodic volume holographic grating is analyzed by regarding it as an ensemble of local planar gratings cooperating with Kogelnik coupled-wave method. The depth selectivity of an aperiodic and a periodic grating are simulated respectively, and the effect of recording angle on the depth selectivity of aperiodic grating is simulated. Experiments of recording and retrieving volume gratings in photorefractive crystal are designed and implemented in order to verify our simulation results.
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Acta Optica Sinica
ISSN: 0253-2239
Year: 2012
Issue: 4
Volume: 32
Page: 0409003
Cited Count:
SCOPUS Cited Count: 2
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 11
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