Titlebook: Opticals Effects in Liquid Crystals; István Jánossy Book 1991 Editoriale Jaca Book spa, Milano 1991 crystal

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Book 1991ugh many significant results were found, liquid crystal research remained a marginal topic of condensed matter physics. The situation changed in the sixties. At that time the remarkable electro-optical properties of liquid crystals were recognized and found soon widespread application in numeric dis

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Rotatory Power and Other Optical Properties of Certain Liquid Crystals second important parameter is the value of the double refraction . = (.. - ..)/.. From . and . all optical properties can be calculated. No accurate data for testing the theory are available but qualitatively the agreement is complete.

共同時(shí)代

Study of Phase-Matched Normal and Umklapp Third-Harmonic- Generation Processes in Cholesteric Liquidron interaction in a periodic lattice, these processes can be identified as coherent, normal, and umklapp third-harmonic-generation processes. Experiments using a mode-locked Nd laser as the fundamental source verify the existence of most of the predicted phase-matching conditions. Our results agree well with the theoretical predictions.

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Reflection and Transmission by Single-Domain Cholesteric Liquid Crystal Films: Theory and Verificatiany linear optical medium in which the dielectric tensor varies only in a direction normal to the surfaces. Using this technique with Oseen’s spiraling-dielectric-tensor model of a single domain in a cholesteric liquid crystal, we predicted triplet Bragg reflection bands of both first and higher ord

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Light Propagation in Anisotropic Stratified Media in the Quasi Adiabatic Limitctor is continuously rotating through the sample with an arbitrary law. In this approach a simple, 2x2 Jones matrix is obtained by proper transformation of the conventional 4x4 Berreman matrix. An approximate propagation equation is deduced for the Jones vector giving the polarization state of the w

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