Time-resolved thermally induced aberrations in a flash-lamp pumped Nd:Glass disk amplifier using a 2 × 2 position sensitive detector array

M. Ahmad, M. Galletti, P. Oliveira, E. Dilworth, D. J. Robinson, M. Galimberti, A. J. Crawford, I. Musgrave, M. J. D. Esser

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Abstract

A novel technique of measuring the prompt, thermally induced wave-front aberrations in a large aperture flash-lamp pumped Nd3+ glass disk amplifier is presented. Implementing a 2 × 2 lens array and a 2 × 2 position sensitive detector array as a diagnostic system, the wave-front profile was successfully reconstructed for the first five Zernike terms for a temporal window of 8.5 ms.
Original languageEnglish
Article number123106
JournalReview of Scientific Instruments
Volume90
Issue number12
Early online date6 Dec 2019
DOIs
Publication statusPublished - Dec 2019

ASJC Scopus subject areas

  • Instrumentation

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