Wenlu Guan, Fengfu Tan, Zaihong Hou, Jie Luo, Laian Qin, Feng He, Silong Zhang, Yi Wu. Wide Angle Array Detection Technology for High Power Density Laser[J]. Acta Optica Sinica, 2022, 42(2): 0214002
- Acta Optica Sinica
- Vol. 42, Issue 2, 0214002 (2022)
Fig. 1. Curves of temperature, form variable, and thermal stress with panel thickness. (a) Temperature; (b) form variable; (c) thermal stress
Fig. 2. Total reflection path of optical fiber
Fig. 3. Test of angular properties of attenuating materials. (a) Test method; (b) test result
Fig. 4. Schematic of single channel structure of detector array target
Fig. 5. Simulation of angle characteristics of protective sampling attenuation structure. (a) Ray tracing of simulation model; (b) simulation results of angle characteristics
Fig. 6. Schematic of angle characteristic test based on laser point-by-point scanning method
Fig. 7. Relative intensity coefficients of angular response of each detection channel at different incident angles
Fig. 8. Light spot measurement results. (a) Spot profile; (b) power-time curve
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Table 1. Comparison of angle coefficients of detector array targets at different incidence angles
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