Restoration and Amplification of Images Through Randomly-MovingSuspension Particles Using Photorefractive Two-Wave Mixing

  • Weak images, which pass through two kinds of suspension media with sizes of randomly-moving suspension particles about 0.05-0.1 cm and 0.01-0.001 cm respectively, are deteriorated by light scattering of particles, but restored and amplified effectively by two-wave mixing in photorefractive crystals with different time constants.
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