Experimental research on energy circled fraction of continuous phase plates in focal spot

Zhang Yuanhang; Yang Chunlin; Wen Shenglin; Shi Qikai; Wang Jian

doi:3297

Volume 25 Issue 12

Dec. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(12): 3297-3300

Zhang Yuanhang, Yang Chunlin, Wen Shenglin, et al. Experimental research on energy circled fraction of continuous phase plates in focal spot[J]. High Power Laser and Particle Beams, 2013, 25: 3297-3300. doi: 3297

Citation:

Zhang Yuanhang, Yang Chunlin, Wen Shenglin, et al. Experimental research on energy circled fraction of continuous phase plates in focal spot[J]. High Power Laser and Particle Beams, 2013, 25: 3297-3300. doi: 3297

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Experimental research on energy circled fraction of continuous phase plates in focal spot

doi: 3297

1.
Chengdu Fine Optical Engineering Research Center,Chengdu 610041,China

Received Date: 2013-07-22
Rev Recd Date: 2013-08-16
Publish Date: 2013-12-15

Abstract

Abstract

In inertial confinement fusion (ICF) research process, the form of focal spot is extremely crucial. Especially in the indirect driven implosion, energy circled fraction is higher than 95% in focal spot. Based on the offline test platform, the focusing spot of continuous phase plates with different application error is clearly imaged on CCD. By experimental analysis, it is found that the beam rotation error, caliber error, translational error and inclination error have a high tolerance in affecting focal plane of CPP. Energy circled fraction is higher than 95%, the range is less than 0.5%. Nevertheless, the waterfront aberration seriously affects the shaping ability of the CPP. Clearly, the main factor of reducing energy circled fraction to less than 90% is waterfront aberration.
- continuous phase plates,
- error analysis,
- energy circled fraction

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