普林斯顿生产的ProEM是一款高分辨率、背照式的EMCCD。应用了特殊的eXcelon™3传感器技术,在紫外-近红外波段范围内具有高灵敏度,同时能够减少Etaloning效应。凭借高达20 kHz的光谱速率和单光子级的灵敏度在得到各领域弱光探测研究者的青睐。EMCCD是高光谱拉曼成像、单分子荧光等弱光信号探测的理想选择。
Ø 95%以上的量子效率
Ø 10 μm像素尺寸
Ø 100万像素图像阵列EMCCD
Ø eXcelon™3技术
Ø 超高速读出和光谱动力学
1、高紫外线-近红外灵敏度
利用eXcelon™3技术,ProEM可在紫外线到近红外范围内提供最高的灵敏度(大于95%的量子效率),同时减少了Etaloning效应,即因背照式EMCCD的相长和相消干扰而产生的干涉条纹。
2、深度制冷至-90℃
独特的真空技术让ProEMCCD能够实现低至-90℃的深冷效果。这样一来就能为长曝光时间提供极低暗电流,同时单输入窗口能够确保最大的灵敏度。
3. 先进的帧转移架构
ProEM使用帧转移架构,无需机械快门,从而可以连续读取图像或光谱。
在高速读出模式下,全帧成像率可达34帧/秒或大于3 kHz,并通过偏差校正在单个计数内保证基线稳定性。
4. EM增益校准
ProEM利用内置OptiCAL,一种提供一键式增益校准的参考光源,可确保在相机使用寿命内保持一致的性能。
EMCCD型号
型号 |
像元阵列 |
像素尺寸 |
暗电流 |
ProEM HS:512BX3 |
512×512 |
16 x 16 μm |
0.001 e-/p/s |
ProEM HS:1KBX3-10um |
1024 x 1024 |
10 x 10 μm |
0.002 e-/p/s;-70℃ |
ProEM HS:1024BX3 |
1024 x 1024 |
13 x 13 μm |
0.002 e-/p/s;-70℃ |
ProEM:16002 eXcelon™3 |
1600 x 200 |
16 x 16 μm |
< 0.01 e-/p/s;-60℃ |
ProEM:16004 eXcelon™3
|
1600 x 400 |
16 x 16 μm |
< 0.01 e-/p/s;-60℃ |
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