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Another company s pulse-measurement device requires the entire beam to operate. Is this true for FROG and GRENOUILLE?

April 26, 2017beam COMPANY device entire frog operate requires

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Another company s pulse-measurement device requires the entire beam to operate. Is this true for FROG and GRENOUILLE?

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No! FROG and GRENOUILLE are much more sensitive than other intensity-and-phase methods. GRENOUILLE, for example, requires only about 10 milliwatts of average power from a Ti:sapphire oscillator and about 100 microwatts from a regen.