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Self-pumped phase conjugation in a liquid crystal light valve with a tilted feedback mirror

U Bortolozzo1, S Residori, J P Huignard

  • 1Institut Non Linéaire de Nice, Valbonne, France. umberto.bortolozzo@inln.cnrs.fr

Optics Letters
|March 7, 2007
PubMed

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Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...