Laser Measurement
Digital Control of Duty Factor for Optically-Chopped Beams
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An optical chopper blade generally modulates a beam with 50% duty factor. It is possible to achieve <50% duty factor by stacking two identical blades, or by using specialty blades, which exist in.....
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Measuring pulse energy of high-rep-rate lasers in real time
Manufactured by: Gentec E-O
Traditionally difficult, pulse-energy measurement for high-repetition-rate lasers can now be done by instrumentation that increases accuracy and removes guesswork. Applications for.....
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PEM Technical Overview
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Principles of Operation The phenomenon of photoelasticity is the basis for operation of the PEM. If a sample of transparent solid material is stressed by compression or stretching, the material.....
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Understand the spectral characteristics of a laser detector
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This technical note explains how to understand the spectral characteristics of a Gentec-EO detector. In this text, you will find, among others, a clear definition for calibrated spectral range, range.....
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