Abstract
The conditions of multiplexed hologram recording in the layers of polymethylmethacrylate (PMMA) with a high content of photosensitive components, phenanthrenequinone (PQ), were analyzed theoretically and experimentally. The sequential record of up to 10 holograms onto a single photosensitive layer with a possibility of angular selection of holograms by their reconstruction was realized experimentally. The process of the alignment of values of the diffraction efficiency by selecting of exposing dose at each sequential hologram record was shown. The possibility to use multiplex holograms based on PQ-PMMA layers in application to 3D-microscopy was demonstrated.
Highlights
The use of a Volume Holographic Imaging System (VHIS) in a microscope attracts rising attention [1,2]
The possibility to use multiplex holograms based on PQ-PMMA layers in application to 3D-microscopy was demonstrated
We present here the recording of angular multiplexed volume phase holograms in PQ-PMMA to generate images from different depths of the sample
Summary
The use of a Volume Holographic Imaging System (VHIS) in a microscope attracts rising attention [1,2]. Multiplexing means that several volume holograms are superimposed (multiplexed) on the same area of the recording material This allows us to simultaneously project several wave-fronts originating from particular depths within the sample on a single imaging plane [2]. For good performance a high and a uniform diffraction efficiency (η) is required Upon their sequential recording, η tends to decrease with increasing number of stored holograms [3,4]. This closely relates to the detailed mechanism of grating formation in the holographic material, still allowing moderately high diffraction efficiencies. We present here the recording of angular multiplexed volume phase holograms in PQ-PMMA to generate images from different depths of the sample.
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