Transmitted laser beam diagnostic at the Omega laser facility

We have developed and commissioned a transmitted beam diagnostic (TBD) for the 2ω high intensity interaction beam at the Omega laser facility. The TBD consists of a bare-surface reflector mounted near the target, which collects and reflects 4% of the transmitted light to a detector assembly outside...

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Veröffentlicht in:Review of Scientific Instruments 2004-10, Vol.75 (10), p.4171-4173
Hauptverfasser: Niemann, C., Antonini, G., Compton, S., Glenzer, S. H., Hargrove, D., Moody, J. D., Kirkwood, R. K., Rekow, V., Satariano, J., Sorce, C., Armstrong, W., Bahr, R., Keck, R., Pien, G., Seka, W., Thorp, K.
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Sprache:eng
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Zusammenfassung:We have developed and commissioned a transmitted beam diagnostic (TBD) for the 2ω high intensity interaction beam at the Omega laser facility. The TBD consists of a bare-surface reflector mounted near the target, which collects and reflects 4% of the transmitted light to a detector assembly outside the vacuum chamber. The detector includes a time integrating near-field camera that measures beam spray, deflection, and the absolute transmitted power. We present a detailed description of the instrument and the calibration method and include first measurements on laser heated gas bag targets to demonstrate the performance of the diagnostic.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1787602