Linwei Song, Jincheng Kong, Peng Zhao, Jun Jiang, Xiongjun Li, Dong Fang, Chaowei Yang, Chang Shu. Research of Au-doped LWIR HgCdTe detector[J]. Infrared and Laser Engineering, 2023, 52(4): 20220655
- Infrared and Laser Engineering
- Vol. 52, Issue 4, 20220655 (2023)
Fig. 1. Depth distributions of Au atom concentration in Au-doped HgCdTe materials annealed in an Hg-rich state
Fig. 2. Carrier concentration and mobility of Au-doped HgCdTe materials annealed in an Hg-rich state
Fig. 3. Dark current distribution of the 256×256 （30 μm pitch） LWIR HgCdTe detectors. (a) Intrinsic V Hg doping; (b) Extrinsic Au-doping
Fig. 4. Dark current versus temperature for Au-doped LWIR HgCdTe detectors
Fig. 5. Dark current with Au-doped LWIR HgCdTe detectors
Fig. 6. LW 256×256 （30 μm pitch） detector. (a) FPA photo; (b) Response signal diagram ; (c) NETD histogram
Fig. 7. LW 640×512 (25 μm pitch) detector. (a) FPA photo; (b) Response signal diagram; (c) NETD histogram
Fig. 8. LW 640×512 (15 μm pitch) detector. (a) FPA photo; (b) Response signal diagram; (c) NETD histogram
Fig. 9. LW 1 024×768 (10 μm pitch) detector. (a) FPA photo; (b) Response signal diagramg; (c) NETD histogram
Fig. 10. NETD and bad pixels versus storage time of Au-doped LWIR HgCdTe 256×256 detector
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Table 1. Typical performance parameters of Au-doped LWIR HgCdTe detectors with different scale
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