Holographic Nonspatial Filtering for Laser Beams

Diffraction efficiency improvement in high spatial frequency holographic gratings stored in PVA/AA photopolymers: several ACPA concentrations

“…In the last decade holography has acquired great importance due to its numerous applications, for example, holographic interferometry to obtain information on the deformation of materials [4], in the manufacture of lenses [5,6] and holographic optical elements [7][8][9], or data encoding [10,11]. Moreover, holography can even be applied to manufacture solar concentrators [12] and in the field of medicine [13]. However, one of the major advances is that holographic devices can store information throughout the volume of the material, thereby increasing the storage capacity in comparison with two-dimensional devices that only store information on the surface [14][15][16].…”