Xin GUO, Feng SHI, Tiantian JIA, Ruoyu ZHANG, Hongchang CHENG, Yijun ZHANG. Effect of Incident Light Scattering at AlGaAs Window Layer Interface on Resolution of Transmission-mode GaAs Photocathode[J]. Acta Photonica Sinica, 2023, 52(8): 0812001
- Acta Photonica Sinica
- Vol. 52, Issue 8, 0812001 (2023)
Fig. 1. GaAs photocathode fabrication process and AlGaAs window layer interface scattering diagram
Fig. 2. Surface roughness distribution of AlGaAs window layer
Fig. 3. Gaussian distribution rough surface simulation result
Fig. 4. STF function of AlGaAs surface window layer rough surface at different incident wavelengths
Fig. 5. Point spread function of AlGaAs surface window layer rough surface at different incident wavelengths
Fig. 6. Calculated values of PSNRR at different wavelengths
Fig. 7. Resolution test device
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Table 1. Resolution test results at different incident wavelengths
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