Yingchao Du, Han Chen, Hongze Zhang, Qiang Gao, Qili Tian, Zhijun Chi, Zhi Zhang, Hao Zha, Jiaru Shi, Lixin Yan, Rui Qiu, Cheng Cheng, Taibin Du, Renkai Li, Huaibi Chen, Wenhui Huang, Chuanxiang Tang. A very compact inverse Compton scattering gamma-ray source[J]. High Power Laser and Particle Beams, 2022, 34(10): 104010
- High Power Laser and Particle Beams
- Vol. 34, Issue 10, 104010 (2022)
Fig. 1. Schematic diagram of the very compact inverse Compton scattering gamma-ray source (VIGAS)
Fig. 2. Layout of the accelerator in VIGAS
Fig. 3. Relation between bunch length and emittance plus energy spread after optimization
Fig. 4. Pareto front of emittance and bunch length with 200 pC bunch charge and 500 pC bunch charge
Fig. 5. Beam dynamics simulation results in the case of 200 pC bunch charge
Fig. 6. Bunch energy and emittance versus the ratio of acceleration gradient
Fig. 7. Photon energy versus the ratio of acceleration gradient
Fig. 8. Block diagram of driving laser shaping design
Fig. 9. Block diagram of scattering laser design
Fig. 10. Simulated photon yield at different photon energy
Fig. 11. Photon bandwidth and the proportion within the collection angle versus the collection angle
Fig. 12. Photon spectroscopy within different collection angles using 800 nm scattering laser
Fig. 13. Photon spectroscopy within different collection angles using 400 nm scattering laser
Fig. 14. Photon spectroscopy in simulation taking jitter into consideration
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Table 1. Performance parameters of VIGAS
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Table 2. Parameters of electron beam in VIGAS
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Table 3. Parameters of scattering laser in VIGAS
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Table 4. Variable parameters in the optimization
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Table 5. Optimized beam parameters with 200 pC bunch charge and 500 pC bunch charge
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Table 6. Parameters of the driving laser system
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Table 7. Parameter jitter range in the joint parameter sweep
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