11 January 2000 Multiwedge array for uniform target irradiation
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Proceedings Volume 3886, High-Power Lasers in Energy Engineering; (2000) https://doi.org/10.1117/12.375134
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan
Abstract
The effectiveness of multi-wedge plates array for the improvement of the laser irradiation uniformity on the pellet target in inertial confinement fusion has been investigated. A multi-wedge plates array of 90-mm in diameter was fabricated with wedge plates of 7 pairs, which ad a size of 30-mm diameter and a wedge angle of about 0.1 degrees. Also, to prevent the diffraction caused by each wedge plates, a soft aperture with the transmission profile of 16th super gaussian was designed and fabricated. As the result, it was confirmed that the array decreased the low- mode uniformity and is able to control the beam profile.
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Masaru Iwasaki, Masaru Iwasaki, Takahisa Jitsuno, Takahisa Jitsuno, Noriaki Nishi, Noriaki Nishi, Shinji Motokoshi, Shinji Motokoshi, Masahiro Nakatsuka, Masahiro Nakatsuka, } "Multiwedge array for uniform target irradiation", Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); doi: 10.1117/12.375134; https://doi.org/10.1117/12.375134
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