Description
产品简介
Thorlabs DET10A2是一款经典的硅(Si)高速偏压光电探测器,广泛应用于实验室和工业场合。说到光电探测,很多科研人员第一时间想到的就是这款——它的表现非常稳定可靠。
它的上升时间只有1纳秒,带宽高达350 MHz,用来监测快速脉冲激光或连续光源都非常合适。输出是BNC直流耦合接口,接上示波器或者数据采集设备就能直接用。
探测器的外壳设计得很紧凑,只有2.79″×1.96″×0.89英寸,能塞进很狭窄的空间。标配SM1内螺纹适配器和SM1RR挡圈,可以直接安装在笼式系统、透镜套管或1/2英寸接杆上,非常方便。
全维度详细技术参数(原厂规格标准)
全维度详细技术参数(原厂规格标准)
| 参数项 | 规格指标 |
|---|---|
| Detector Material | Silicon (Si) |
| Wavelength Range | 200 – 1100 nm |
| Active Area | Ø1.0 mm (0.8 mm²) |
| Rise Time | 1 ns (Typical) |
| Bandwidth | 350 MHz |
| Peak Wavelength | 730 nm (Typical) |
| Peak Responsivity | 0.44 A/W @ 730 nm (Typical) |
| Junction Capacitance | 6 pF (Typical) |
| NEP (Noise Equivalent Power) | 5.0 × 10⁻¹⁴ W/√Hz (Typical) |
| Bias Voltage | 10 V |
| Dark Current | 0.3 nA (Typical) / 2.5 nA (Max) |
| Output Current | 0 to 10 mA |
| Output Voltage (Hi-Z) | ~9 V |
| Output Voltage (50 Ω) | ~170 mV |
| On/Off Switch | Slide |
| Battery Check Button | 瞬时按钮 |
| Battery | A23, 12 VDC, 40 mAh |
| Output Connector | BNC (DC Coupled) |
| Housing Dimensions | 2.79″ × 1.96″ × 0.89″ (70.9 × 49.8 × 22.5 mm) |
| PD Surface Depth | 0.09″ (2.2 mm) |
| Weight | 0.10 kg |
| Storage Temperature | -20 to 70 °C |
| Operating Temperature | 10 to 50 °C |
| Mounting Taps | 8-32 / M4 (通用) |
| SM Thread Compatibility | SM05内螺纹 / SM1外螺纹 |
| Accessories Included | SM1T1耦合器, SM1RR挡圈 |
| Bandwidth (-3 dB) | 350 MHz |
| 参数项 | 规格指标 |
|---|---|
| Bias Voltage | 10 V |
| Dark Current | 0.3 nA (Typical) / 2.5 nA (Max) |
| Output Current | 0 to 10 mA |
| Output Voltage (Hi-Z) | ~9 V |
| Output Voltage (50 Ω) | ~170 mV |
| On/Off Switch | Slide |
| Battery Check Button | 瞬时按钮 |
| Battery | A23, 12 VDC, 40 mAh |
| Output Connector | BNC (DC Coupled) |
| 参数项 | 规格指标 |
|---|---|
| Housing Dimensions | 2.79″ × 1.96″ × 0.89″ (70.9 × 49.8 × 22.5 mm) |
| PD Surface Depth | 0.09″ (2.2 mm) |
| Weight | 0.10 kg |
| Storage Temperature | -20 to 70 °C |
| Operating Temperature | 10 to 50 °C |
| Mounting Taps | 8-32 / M4 (通用) |
| SM Thread Compatibility | SM05内螺纹 / SM1外螺纹 |
产品核心优势
- 上升时间仅1ns,带宽350MHz,测高速脉冲激光响应飞快
- 波长范围宽(200-1100nm),从紫外覆盖到近红外,一台设备多种用途
- 内置A23偏置电池,低噪声供电,测量信号干净
- 外壳紧凑小巧,安装方式灵活,SM05/SM1螺纹兼容性强
- 兼容Thorlabs笼式系统、透镜套管和接杆,搭建光路很方便
核心应用领域
- 高速脉冲激光功率监测(皮秒/纳秒激光)
- 光纤通信系统信号检测
- 光学时域反射计(OTDR)
- 半导体激光器特性测试
- 光谱学实验
- 激光加工过程监控
- 光学相干断层扫描(OCT)
- 量子光学实验
光谱响应曲线

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