ICF modulation targets based on high-precision 3D printing technology

Lin Zude; Dai Yu; Xu Mengfei; Cao Jiawei; Zheng Kunyu; Wei Ning; Han Liangzhi; Wang Xiaolin; Liu Jingquan

doi:10.11884/HPLPB202335.230146

Volume 35 Issue 10

Oct. 2023

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Lin Zude, Dai Yu, Xu Mengfei, et al. ICF modulation targets based on high-precision 3D printing technology[J]. High Power Laser and Particle Beams, 2023, 35: 102001. doi: 10.11884/HPLPB202335.230146

Citation:

Lin Zude, Dai Yu, Xu Mengfei, et al. ICF modulation targets based on high-precision 3D printing technology[J]. High Power Laser and Particle Beams, 2023, 35: 102001. doi: 10.11884/HPLPB202335.230146

Lin Zude, Dai Yu, Xu Mengfei, et al. ICF modulation targets based on high-precision 3D printing technology[J]. High Power Laser and Particle Beams, 2023, 35: 102001. doi: 10.11884/HPLPB202335.230146

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ICF modulation targets based on high-precision 3D printing technology

doi: 10.11884/HPLPB202335.230146

1.
National Key Laboratory of Advanced Micro and Nano Manufacture Technology, Shanghai Jiao Tong University, Shanghai 200240, China
2.
Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
3.
Nanoscribe China Co., Ltd., Shanghai 200240, China

Received Date: 2023-05-23
Accepted Date: 2023-09-16
Rev Recd Date: 2023-09-15

Available Online: 2023-09-19

Publish Date: 2023-10-08

Abstract

Abstract

Rayleigh-Taylor instability (RTI) research in inertial confinement fusion (ICF) is based on modulation targets with multiple structures. In this paper, aiming at the present problems existing in the preparation of modulation targets, three typical modulation targets of planar modulation, planar composite modulation and spherical shell modulation have been prepared by two-photon 3D printing process. The target material is photosensitive resin (95%: C₂₃H₃₈N₂O₈, 5%: C₄H₆O₂). The actual structural parameters of the three modulation targets were analyzed using laser confocal microscopy imaging. The measured morphologies and parameters of the three targets show good matching with the designed structures. To further validate the feasibility of using new two-photon 3D printing process for preparing modulation targets, nanosecond laser targeting experiments were conducted on the “Shenguang II” high-power laser experimental facility. The results show that the modulation of the target surface increased with time due to the action of RTI under direct laser driving. The modulation with an initial peak valley value of 4 μm formed a high-density jet with a length of up to 100 μm after 2.5 ns of laser driving, which indicates that the preparation of complex modulation targets based on high-precision 3D printing technology is highly feasible for RTI research.
- inertial confinement fusion,
- Rayleigh-Taylor instability,
- modulation target,
- two-photon 3D printing,
- direct laser driving

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References(16)

References

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