EOT 22GHz (25GHz) InGaAs光电探测器内置PIN光电二极管，通过光伏效应将光功率转换成电流。当通过50欧姆电阻连接到示波器时，可以测量激光器的脉宽。当通过50欧姆电阻连接到光谱分析仪时，可以测量激光器的频率响应。EOT 22GHz InGaAs光电探测器采用内置偏压电源，锂电池寿命很长。通过一根同轴电缆连接光电探测器的BNC输入口，并通过50欧姆电阻连接示波器或光谱分析仪，就足以运行。
应用：
监视超快激光器的输出
监视锁模激光器的输出
高重频外差应用
时域与频域响应测试
Specificationsa | 120-10140-0001 (ET-3600) | 120-10142-0001 (ET-3600F) |
Detector Material | InGaAs | InGaAs |
Rise Time/Fall Time | 16ps/16s | 16ps/16ps |
Responsivityb | >0.70A/W at 1300nm | >0.70A/W at 1300nm |
Power Supply | 3VDC | 3VDC |
Bandwidth | >22GHz | >22GHz |
Active Area Diameter | 20μm | 20μm |
Dark Current | <1nA | <1nA |
Acceptance Angle (1/2 angle) | 15° | N/A |
Noise Equivalent Powerc | 26pW/√Hz at 1300nm | 26pW/√Hz at 1300nm |
Maximum Linear CW Power | 10mW | 10mW |
Mounting (Tapped Holes) | 8-32 or M4 | 8-32 or M4 |
Output Connector | SMA | SMA |
Fiber Optic Connection | N/A | FC/UPC， SMF28e |
aAll specifications apply for a 50Ω termination unless otherwise noted.
bPhotodetectors have an internal 50Ω termination. Responsivity data applicable to diode only.
cNoise Equivalent Power (NEP) is determined via open circuit output.
