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￥1Thorlabs 评估板和激光二极管驱动器
▶ 评估板，用于带有OEM激光二极管驱动器的测试类应用
● 母头DB9接头和螺丝终端，用于激光二极管
● USB接头和螺丝终端，用于5 VDC电源
● 电位器，控制激光二极管的工作设定点
● SMA接头，用于调制信号输入
▶ 激光二极管驱动器可安装在评估板上
Thorlabs 评估板和激光二极管驱动器
评估板
MLDEVAL评估板是一种开放型电路板，可将我们的OEM级激光二极管驱动器与几种常用接头连接。它包含母头DB9接头，可用于连接到消应力电缆的激光二极管，还包含螺丝终端，用户可用其直接连接TO封装激光二极管。通过USB或可以连接5 VDC电源的螺丝终端可以供应电源。
两个电位器控制激光二极管的工作设定点。Pset/Iset电位器对激光器电流的调节范围在0 mA-200 mA之间，可用于恒定电流和恒定功率激光器。TIA增益电位器能限制监测二极管的电流，因而只能用于恒定功率驱动器。为了远程调制激光器的光学输出功率，可在母头SMA接头施加电压。
评估板的总尺寸为105.8 mm × 56.0 mm × 14.1 mm(包含母头DB9接头)。边角处有四个?3.2 mm通孔，用于自定义安装。
激光二极管驱动器，用于评估板
我们的OEM级激光二极管驱动器包含镀有半孔的接头，接头可通过自动组装系统安装。为了便于安装在MLDEVAL评估板，每个驱动器预先安装在了子板上。zui后将子板插入评估板上匹配的插孔即可，这样，就可以在实验和测试环境中快速使用这些驱动器。
安装驱动器之前，根据所选驱动器和激光器的引脚类型，需将评估板上的几个开关设置在正确的位置。有关正确位置的详细说明，请看评估板手册的第4和第5章。选定了驱动器，有些开关不能改变，安装驱动器时就不能进行操作。
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MLDEVAL评估板的俯视图和功能元件 安装有MLD203CHBE驱动器的评估板
规格
*对*大额定值(所有驱动器)
| Absolute Maximum Ratings | |
|---|---|
| Supply Voltage | 6 V |
| Power Dissipation | 750 mW |
| Operating Temperature | -25 °C to +90 °C |
| Storage Temperature | -40 °C to +100 °C |
评估版
| Item # | MLDEVAL |
|---|---|
| Supply Voltage | 5 VDC ± 5% |
| Operating Temperature | 0 °C to +40 °C |
| Storage Temperature | -40 °C to +70 °C |
| Dimensions | 105.8 mm × 56.0 mm × 14.1 mm |
| Weight | 40 g |
恒定电流LD驱动器
| Item # | MLD203CHB(E) | MLD203CLN(E) | Notes |
|---|---|---|---|
| Operating Mode | Constant Current | - | |
| Laser Pin Codes | All (A through H) | See Diagram Below | |
| Supply Voltage | 4.5 V to 5.5 V | - | |
| Laser Current | |||
| Current Range | 0 mA to 200 mA | - | |
| Compliance Voltage | 3.0 V (Max) | For 5 V Supply Voltage | |
| Accuracy | ±(2% + 1 mA) [Typical] | Full Scale; After 10 Minute Warm-Up | |
| Repeatability | ±0.1% | Full Scale | |
| Noise | 12 µA (RMS) | 3 µA (RMS) | 10 Hz to 10 MHz; Measured with a 10 Ω Resistor |
| Drift | 20 µA | 30 Minutes, 0 to 10 Hz, Tamb = 25 °C | |
| Temperature Coefficient | 100 ppm/°C | - | |
| Laser Current Setpoint and Modulation | |||
| Input Impedance | 1 MΩ | - | |
| Input Voltage Range | 0 V to 2.5 V | - | |
| Input Voltage Offset | 90 mV (Typical) | - | |
| Modulation Bandwidth | DC to 100 kHz | DC to 1 kHz | 3 dB; Measured with a 10 Ω Resistor |
| Modulation Coefficient | 80 mA/V ± 5% | - | |
| Laser Current Reference Output | |||
| Laser Current Coefficient | 1 mV/mA | For 1 Ω Resistor in Series | |
| Measurement Accuracy | 1% | For ≥10 kΩ Load | |
| Physical Data | |||
| Operating Temperature | -20 °C to +70 °C | Non-Condensing | |
| Storage Temperature | -40 °C to +100 °C | Non-Condensing | |
| Warm-Up Time for Rated Accuracy | 10 Minutes | - | |
| Dimensions of SMT Package | 17.0 mm × 10.0 mm × 2.8 mm | - | |
| Dimensions of Daughterboard with SMT Package | 38.0 mm × 19.0 mm × 12.9 mm | MLD203CHBE and MLD203CLNE Only | |
| Weight | 1.0 g | - | |
恒定功率LD驱动器
| Item # | MLD203P1(E) | MLD203P2(E) | Notes |
|---|---|---|---|
| Operating Mode | Constant Power | - | |
| Laser Pin Codes | A, B, and F | C and D | See Diagram Below |
| Supply Voltage | 4.5 V to 5.5 V | - | |
| Laser Current | |||
| Current Range | 0 mA to 200 mA | - | |
| Compliance Voltage | 3.0 V (Max) | For 5 V Supply Voltage | |
| Noise | 3 µA (RMS) | 10 Hz to 10 MHz Measured with 10 Ω Resistor in Series with L635P5 Laser Diode (for MLD203P1) or with L637P5 Laser Diode (for MLD203P2) | |
| Laser Power Control | |||
| Current Range of Monitor Photodiode | 2 µA to 2 mA | - | |
| Accuracy | ±2% (Typical) | Full Scale; After 10 Minute Warm-Up | |
| Repeatability | ±0.1% | Full Scale | |
| Drift | 20 nA | 24 Hours, Tamb = 25 °C Measured at P = 4.5 mW with L635P5 Laser Diode (for MLD203P1) or with L637P5 Laser Diode (for MLD203P2) | |
| Temperature Coefficient | 55 ppm/°C | - | |
| Laser Current Setpoint | |||
| Input Impedance | 1 MΩ | - | |
| Input Voltage Range | 0 V to 2.5 V | - | |
| Voltage Conversion Coefficient Range | 8 µA/V to 800 µA/V ± 5% | Adjustable | |
| Laser Current Reference Output | |||
| Laser Current Coefficient | 1 mV/mA | For 1 Ω Resistor in Series | |
| Measurement Accuracy | 1% | For ≥10 kΩ Load | |
| Physical Data | |||
| Operating Temperature | -20 °C to +70 °C | Non-Condensing | |
| Storage Temperature | -40 °C to +100 °C | Non-Condensing | |
| Warm-Up Time for Rated Accuracy | 10 Minutes | - | |
| Dimensions of SMT Package | 17.0 mm × 10.0 mm × 2.8 mm | - | |
| Dimensions of Daughterboard with SMT Package | 38.0 mm × 19.0 mm × 12.9 mm | MLD203P1E and MLD203P2E Only | |
| Weight | 1.0 g | - | |
所有技术数据在23 ± 5 °C和45 ± 15%的相对湿度(不冷凝)时you效。
激光二极管引脚类型
所有引脚类型(从A型到H型)都兼容恒定电流工作。A型、B型、C型、D型和F型的引脚包含检测光电二极管，因此也兼容恒定功率工作。
森泉为您的科研事业添砖加瓦：
激光控制：激光电流源、激光器温控器、激光器控制、伺服设备与系统等等
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光源：半导体激光器、固体激光器、单频激光器、单纵模激光器、窄线宽激光器、光通讯波段激光器、CO2激光器、中红外激光器、染料激光器、飞秒超快激光器等等
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