1550nm Laser Module, Seed Laser for Range Finders
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Features
- High output power Pf=60mW @IFP=400mA
- Long wavelength λC=1550 nm
- Built-in/out monitor PD
- Pulsed Conditions: Pulsed width (PW) =10 μs, Duty=1%
Applications
- Sensing
- Laser Range Finder
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit |
| Pulsed Forward Current | IFP | - | 750 | mA |
| Reverse Voltage | VR | - | 2 | V |
| Reverse Voltage (monitor PD) | VRM | - | 10 | V |
| Reverse Current (monitor PD) | IFPM | - | 2 | mA |
| Operating Case Temperature | TC | 0 | 60 | ℃ |
| Storage Temperature | Tstg | -40 | 85 | ℃ |
| Lead Soldering Temperature | Tsld | - | 260(10s) | ℃ |
| Relative Humidity (non-condensing) | RH | - | 85 | % |
Optical & Electrical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| Forward Voltage | VFP | - | - | 3.5 | V | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Threshold Current | Ith | - | 20 | 35 | mA | |
| Optical Output Power from SM Fiber | Pf | 60 | - | - | mW | IFP =400 mA, PW = 10 μs, Duty = 1% |
| Center Wavelength | λc | -N | 1550 | N | nm | PW = 10 μs, Duty = 1% ,N=1/2/3 |
| Spectral Width | σ | - | - | 1 | nm | RMS (−20dB) |
| Rise Time | tr | - | 0.2 | 0.5 | ns | 20-80% |
| Fall Time | tf | - | 0.2 | 0.5 | ns | 80-20% |
| Monitor Current | Im | 0.05 | - | - | mA | VRM = 5V |
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