激光测距InGaAs APD探测器
1）特点
①高增益低噪声InGaAs APD探测器
②响应波段950~1700nm
③噪声等效功率< 0.2 nW (1534-nm; 20-ns pulse)
④动态范围：70dB
⑤可编程阈值（Time-variable Threshold/TVT）
⑥平均*时间85000小时
⑦抗震：可以用于其他极限环境。
2）参数表
Model (APD) | RUC1-JIAC | RUC1-NIAC | RUC1-KIAC |
Spectral response | 950 nm – 1700 nm |
Optical collection-area diameter | 75μm | 200μm | 250μm |
APD diameter | 75μm | 200μm | 75μm |
Noise equivalent input (NEI) | 40 photons | 45 photons | 40 photons |
Photon equivalent sensitivity | 245photons | 290 photons | 245 photons |
Noise equivalent power | 0.20 nW | 0.45 nW | 0.20 nW |
Range precision | 50 mm | 60 mm | 50 mm |
Target pair resolution | 5 meters | 5 meters | 5 meters |
Bandwidth | 31 MHz | 17 MHz | 31 MHz |
APD gain (M) | 1 – 20 | 1 – 20 | 1 – 20 |
APD responsivity (M = 1) | 1.1 A/W | 1.1 A/W | 1.1 A/W |
APD excess noise (M = 10) | 3.5 | 3.5 | 3.5 |
Maximum instantaneous optical power | 6 MW/cm2 |
Environmental |
Operating temperature | -50 °C to +85 °C |
激光测距InGaAs APD探测器可选项
①光纤尾纤可选，尾纤直径可选（62.5µm/125µm/200µm）
②探测器控制电路可选
③评估板电路可选
