Influence of Microchannel Plate Structure Parameters on Noise Factor

Xiaofeng LI; Zhengjun ZHANG; Xiaoqing CONG; Hui FENG; Yaohong QIAN; Jiaojiao LI

doi:10.3788/gzxb20215004.0404001

Journals >Acta Photonica Sinica >Volume 50 >Issue 4 >Page 135 > Article

Acta Photonica Sinica
Vol. 50, Issue 4, 135 (2021)

Influence of Microchannel Plate Structure Parameters on Noise Factor

Xiaofeng LI¹, Zhengjun ZHANG¹, Xiaoqing CONG¹, Hui FENG¹, Yaohong QIAN², and Jiaojiao LI¹

Author Affiliations

¹North Night Vision Technology Co.， Ltd， Kunming65027， China

²North Night Vision Science & Technology Research Institute Group Co.， Ltd， Kunming65017， China

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DOI: 10.3788/gzxb20215004.0404001 Cite this Article

Xiaofeng LI, Zhengjun ZHANG, Xiaoqing CONG, Hui FENG, Yaohong QIAN, Jiaojiao LI. Influence of Microchannel Plate Structure Parameters on Noise Factor[J]. Acta Photonica Sinica, 2021, 50(4): 135 Copy Citation Text

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Fig. 1. Sketch map of input electron on MCP

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Fig. 2. Sketch map of MCP channel

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Sample	OAR/%	S/（μA·lm^-1）	SNR_o	N_f	E（N_f）
5056#	64	715	22.26	1.53	1.54
6086#	64	764	22.61	1.58
5120#	64	752	22.91	1.52
7055#	68	782	24.07	1.35	1.35
7022#	68	810	24.32	1.37
7076#	68	774	24.12	1.33

Table 1. N_f of MCP with different OAR

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Sample	H/μm	S/(μA·lm^-1)	SNR_o	N_f	E（N_f）
5056#	3	715	22.26	1.53	1.54
6086#	3	764	22.61	1.58
5120#	3	752	22.91	1.52
7058#	15	728	20.80	1.78	1.74
7113#	15	750	21.91	1.66
2206#	15	735	20.86	1.79

Table 2. N_f of MCP with different penetration electrode

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Sample	L/mm	S/(μA·lm^-1)	SNR_o	N_f	E（N_f）
5056#	0.3	715	22.26	1.53	1.54
6086#	0.3	764	22.61	1.58
5120#	0.3	752	22.91	1.52
5484#	0.42	759	22.03	1.66	1.70
5482#	0.42	835	23.06	1.67
5469#	0.42	787	21.61	1.79

Table 3. N_f of MCP with different thickness

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Sample	Ion barrier	S/(μA·lm^-1)	SNR_o	N_f	E（N_f）
5056#	√	715	22.26	1.53	1.54
6086#	√	764	22.61	1.58
5120#	√	752	22.91	1.52
2047#	×	796	19.40	2.33	2.43
2154#	×	860	18.80	2.58
2070#	×	763	19.11	2.37

Table 4. N_f of MCP with ion barrier

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Sample	MgO₂ film	S/(μA·lm^-1)	SNR_o	N_f	E（N_f）
7055#	×	782	24.07	1.35	1.35
7022#	×	810	24.32	1.37
7076#	×	774	24.12	1.33
4078#	√	668	25.60	1.08	1.06
2276#	√	754	27.46	1.06
4170#	√	788	27.59	1.05

Table 5. N_f of MCP with film deposited on the input end

Xiaofeng LI, Zhengjun ZHANG, Xiaoqing CONG, Hui FENG, Yaohong QIAN, Jiaojiao LI. Influence of Microchannel Plate Structure Parameters on Noise Factor[J]. Acta Photonica Sinica, 2021, 50(4): 135

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