Controlling Fringe Sensitivity of Electro-Optic Holography Systems Using Laser Diode Current Modulation
Shannon J. Bybee
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Controlling Fringe Sensitivity of Electro-Optic Holography Systems Using Laser Diode Current Modulation

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Electro-Optic Holography (EOH) is a non-intrusive, laser-based, displacement measurement technique capable of static and dynamic displacement measurements. EOH is an optical interference technique in which fringe patterns that represent displacement contour maps are generated. At excessively large displacements the fringe density may be so great that individual fringes are not resolvable using typical EOH techniques. This thesis focuses on the development and implementation of a method for controlling the sensitivity of the EOH system. This method is known as Frequency Translated Electro-Optic...