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Angular multiplexing

Fig. 9. Holographic pattern recognition system, (a) Recording an angularly multiplexed hologram (b) forming correlation outputs using arbitrary input... Fig. 9. Holographic pattern recognition system, (a) Recording an angularly multiplexed hologram (b) forming correlation outputs using arbitrary input...
Fig. 27. Fraunhofer angular multiplexing holographic storage experimental setup Ml I I I... Fig. 27. Fraunhofer angular multiplexing holographic storage experimental setup Ml I I I...
FIGURE 9 Example results from Kogelnik s theory, (a) Diffraction efficiencies of an angularly multiplexed transmission (incident angle. The parameters are no = 225, =10 ", ... [Pg.42]

Fig. 2, Tradeoff between angular viewing dependence and number of multiplexed lines N. Plots are for contrast ratio versus angle of incidence 0 in principal viewing plane. Widest field of view is for low N. Polarizer alignment normal to the nematic director (n) at the adjacent LC surface emphasizes the double lobe for N=2 as discussed in the accompanying paper. ... Fig. 2, Tradeoff between angular viewing dependence and number of multiplexed lines N. Plots are for contrast ratio versus angle of incidence 0 in principal viewing plane. Widest field of view is for low N. Polarizer alignment normal to the nematic director (n) at the adjacent LC surface emphasizes the double lobe for N=2 as discussed in the accompanying paper. ...
Tilt angle has also an important influence on the performance of twisted nematic liquid crystal displays (TN-LCDs) because the electrooptical threshold and angular viewing uniformity decrease as the tilt angle is increased. >2 Thus it is important to be able to measure tilt accurately. Low initial tilt angles (<10 ) are of particular interest for multiplexed TN-LCDs. [Pg.115]

Fernandez E., Garcia C., Pascual L, Ortuno M., Gallego S. Belendez A. (2006). Optimization of a thick polyvinil alcohol-acrylamide photopolymer for data storage using a combination of angular and peristrophic holographic multiplexing. Applied optics, Vol. 45, No. 29, 7661-7666. [Pg.43]

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