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图像增强器
V7090U-71
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图像增强器是可以检测和放大极低光量来捕捉图像的设备。
它们的用途广泛，可用于成像不可见区域的微放电，亦可用于观察高速现象。
V7090U-71 是 GaAs 光阴极面图像增强器，光谱响应范围为 370 nm 至 920 nm，有效光阴极面为 13.5 × 10 mm。
详细参数
| 特点 | 第三代，红色增强型 |
|---|---|
| 光谱灵敏度特性（短） | 370 nm |
| 光谱灵敏度特性（长） | 920 nm |
| 光谱灵敏度特性（峰值） | 700 至 800 nm |
| 输入窗口 | 硼硅玻璃 |
| 折射率 | 1.49 |
| 有效光阴极面 | 13.5 x 10 mm |
| MCP 级 | 1, 2 |
| 光阴极面材料 | GaAs |
| 门控功能 | 有/无 |
| 最短门控时间 | 5 ns / - ns |
| 亮度灵敏度 | 1500 μA/lm |
| 辐射灵敏度 | 170 mA/W |
| 量子效率 (QE) | 30% |
| 亮度增益 | 4.0 x 104 (lm/m2)/lx |
| 辐射增益 | 1.2 x 104 (W/m2)/(W/m2) |
| 等效背景输入 (EBI) | 2.0 x 10-11 lm/cm2 |
| 等效背景输入 (EBI) | 4.0 x 10-14 W/cm2 |
| 极限分辨率 | 64 Lp/mm |
| 工作环境温度 | -20 至 +40 °C |
| 储存环境温度 | -55 至 +60 °C |
| 冲击上限 | 300 m/s2 (30G)，18 ms |
| 振动上限 | 10 Hz 至 55 Hz，0.35 mm (p-p) |
外形尺寸图（单位：mm）
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