看了WFS-VIS波前传感器的用户又看亅/p>
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法国ALPAO的WFS-VIS &WFS-SWIR是两款基于Shack-Hartmann原理的波前传感器,主要用于实时测量大气湍流引起的波前失真。两款产品分别适用于可见光波段和近红外波段,其中,WFS-VIS使用先进的EMCCD传感器,WFS-SWIR使用优异的InGaAs传感器。Alpao波前传感器具有高灵敏度和高工作频率的显著优点,而且专门针对延迟进行了优化,以满足用户在严苛条件下的要求、/span>
WFS-VIS
WFS-SWIR
WFS-VIS核心特点9/span>
l 高灵敏度:量子效玆/span>QE>95%@600nm
l 高工作频率:高达1.8kHz
l 优化大气校正
型号及参数:
Model | VIS WFS-69 | VIS WFS-97 | VIS WFS-277 | VIS WFS-468 |
Sensor type | EMCCD | |||
Acquisition frequency | 1838Hz | 1004Hz | ||
Sensor maximum quantum efficiency | >90% at 600nm | |||
Number of microlenses | 8x8 | 10x10 | 16x16 | 23x23 |
Microlens pitch | 192m | 307m | 192m | 133m |
Spectral range | 250 - 1100nm | |||
Interface | Camera Link | |||
Dynamic in tip-tilt / focus (PtV) | 1 0m | 20m | 15m | 10m |
Residual WFE error on closed loop * | 20nm RMS | |||
Absolute precision * | /20 RMS | |||
Repeatability * | 10nm RMS | |||
Typical noise (RMS) | < 0.1 electron | |||
Operating temperature | 0C to 30C | |||
Recommended DM | DM69 | DM97-15 | DM277 | DM468 |
备注*: 在良好的光量条件下且没有波前扰动、/span>
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