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A dual-channel, curved-crystal spectrograph for petawatt laser, x-ray backlighter source studies

Abstract:

A dual-channel, curved-crystal spectrograph was designed to measure time-integrated x-ray spectra in the ∼1.5 to 2 keV range (6.2-8.2 Å wavelength) from small-mass, thin-foil targets irradiated by the VULCAN petawatt laser focused up to 4× 10 20 W/ cm 2. The spectrograph consists of two cylindrically curved potassium-acid-phthalate crystals bent in the meridional plane to increase the spectral range by a factor of ∼10 compared to a flat crystal. The device acquires single-shot x-ray spectra w...

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Publisher copy:
10.1063/1.3193716

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Journal:
Review of Scientific Instruments More from this journal
Volume:
80
Issue:
8
Publication date:
2009-01-01
DOI:
ISSN:
0034-6748
Language:
English
Pubs id:
pubs:94566
UUID:
uuid:cd2ef841-409c-4036-b2fb-c500ac097512
Local pid:
pubs:94566
Source identifiers:
94566
Deposit date:
2012-12-19

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