A parallel-sided PLZT plate is positioned between two crossed Polaroid plates and the major faces of all three elements are normal to a parallel beam of monochromatic light (1 = 750 nm). The thickness of the PLZT plate is 1 mm and the electrodes, spaced 1 mm apart, are arranged such that a uniform electric field can be applied through the volume of the PLZT plate parallel to its major faces and at 45° to the transmission axis of each Polaroid plate. Calculate the voltage that must be applied between the electrodes to achieve maximum light transmittance through the system. Estimate the transmittance assuming 5% loss at each Polaroid surface and assuming that the PLZT element
A parallel-sided PLZT plate is positioned between two crossed Polaroid plates and the major faces of all three elements are normal to a parallel beam of monochromatic light (1 = 750 nm). The thickness of the PLZT plate is 1 mm and the electrodes, spaced 1 mm apart, are arranged such that a uniform electric field can be applied through the volume of the PLZT plate parallel to its major faces and at 45° to the transmission axis of each Polaroid plate. Calculate the voltage that must be applied between the electrodes to achieve maximum light transmittance through the system. Estimate the transmittance assuming 5% loss at each Polaroid surface and assuming that the PLZT element
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![3. A parallel-sided PLZT plate is positioned between two crossed Polaroid plates and the
major faces of all three elements are normal to a parallel beam of monochromatic light
(2 = 750 nm). The thickness of the PLZT plate is 1 mm and the electrodes, spaced
1 mm apart, are arranged such that a uniform electric field can be applied through the
volume of the PLZT plate parallel to its major faces and at 45° to the transmission axis
of each Polaroid plate.
Calculate the voltage that must be applied between the electrodes to achieve
maximum light transmittance through the system. Estimate the transmittance
assuming 5% loss at each Polaroid surface and assuming that the PLZT element
carries antireflection coatings and the material has an absorption coefficient of
65 m-1. The PLZT is quadratic with R = 4.0 × 10-16 m² V-l and n =
346 V; 38% transmitted]
2.5. [Answer:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F022654e1-be4a-45b5-b233-3d8dac2643d3%2F673e1121-87f4-4fe2-a690-aac2257e7c38%2Fomj6p64_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. A parallel-sided PLZT plate is positioned between two crossed Polaroid plates and the
major faces of all three elements are normal to a parallel beam of monochromatic light
(2 = 750 nm). The thickness of the PLZT plate is 1 mm and the electrodes, spaced
1 mm apart, are arranged such that a uniform electric field can be applied through the
volume of the PLZT plate parallel to its major faces and at 45° to the transmission axis
of each Polaroid plate.
Calculate the voltage that must be applied between the electrodes to achieve
maximum light transmittance through the system. Estimate the transmittance
assuming 5% loss at each Polaroid surface and assuming that the PLZT element
carries antireflection coatings and the material has an absorption coefficient of
65 m-1. The PLZT is quadratic with R = 4.0 × 10-16 m² V-l and n =
346 V; 38% transmitted]
2.5. [Answer:
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