高速像增强相机模块 HiCATT
- HiCATT
HiCATT是一款用于同高速相机共同工作使用的像增强模块。该模块可以实现弱信号放大到10000倍以上,提高高速相机的灵敏度,从而实现高速的弱光成像。HiCATT有高质量的镜头耦合装置,适合市面上主流高速相机接口。
Hi CATT的像增强器是混合的,含有两级,直径可以是25mm或18mm。前一级是二代或是三代管的MCP像增强器,可以提供很高且可调的增益。第二级是一个一代管的增强器(booster),可以在高帧率的情况下增强成像强度。在门控模式下,第一级可以作为纳秒两级的光电开关。像增强器的工作频率在Burst模式下可以到2.5MHz
关键优势:
- 方便耦合市场上主流高速相机(最快到300,000fps)
- 高分辨像增强器:提供二代或三代像增强器,可覆盖从紫外、可见到近红波段。
- 极小门宽:最小可达3ns(FWHM)
- 接受高速重复频率,最快可达300KHz/2.5MHz burst
- 紧凑型设计
- 过曝保护:用户可自定义阳极电流上限
应用:
- 激光诱导荧光(LIF)
- 粒子图像测速(PIV)
- 燃烧实验
- 单光子成像
- 生物、化学发光成像
- 等离子体物理
- 天文
- 时间分辨成像和光谱
设备简图
设备参数:
Min. gate width (FWHM) | HiCATT G 40n: 40ns HiCATT G 2n: < 3 ns with Gen II, 5 ns with Gen III | |
Max. repetition frequency | HiCATT G 40n: 100 kHz HiCATT G 2n: 300 kHz, 2.5 MHz in burst mode | |
First stage image intensifier | Proximity-focused Gen II or Gen III (filmless) | |
Second stage image intensifier | Proximity-focused Gen I | |
Input window | S20: Quartz. S25, GaAs, GaAsP: Borosilicate glass | |
Sensitivity and spectral range | See graph on page 3 (top-left) | |
Photon gain (max) | S20: 40000, S25: 30000, GaAs: 30000, GaAsP: 50000 | |
Equivalent Background Input | S20: 0.006, S25: 0.008, GaAs: 0.024, GaAsP: 0.006 photo e-/px/s | |
Phosphor | P46 (P20, P24, P43 on request) | |
Input lens mount | F-mount (C-mount on request) | |
Output lens mount | F-mount (C-mount on request) | |
Available relay lenses | 1:1, 2:1, 3:1 | |
Typical resolution on output (lp/mm) | 1:1 relay lens 2:1 relay lens 3:1 relay lens | S20: 33, S25: 31, GaAs: 28, GaAsP: 26 S20: 66, S25: 62, GaAs: 56, GaAsP: 52 S20: 99, S25: 93, GaAs: 84, GaAsP: 78 |
| HiCATT 18 | HiCATT 25 |
Effective area | Gen II: ø 17.5 mm, Gen III: 13.5x10 mm | Gen II: ø 24.5 mm, Gen III: 16x16 mm |
Input diameter | 18 mm | 25 mm |
Input window thickness | 5.5 mm | 6.0 mm |