850nm Series Superluminescent Light-Emitting Diode (SLD) Module
Description：This series comprises two configurations: Super Luminescent Diode (SLD) modules with or without temperature control modules. It features low power consumption and compact dimensions. Available in three specifications: 8-pin, 6-pin, and 4-pin.
Applications： Fiber Optic Sensing
Tags：SLD laser module 850nm FOG
Wavelength：850nm
Output Power：2mW
Model：WXG854XQ
Dongz
Email: Sales@wxgphotonics.com
WXG8543Q/WXG8544Q comprises a superluminescent diode (SLD) module, a cooler, a thermistor, and polarisation-maintaining fibre (or single-mode fibre). The temperature control circuit automatically regulates the cooler current based on thermistor readings to maintain the module's temperature.
WXG8545Q comprises a superluminescent diode (SLD), thermistor, and polarisation-maintaining fibre (or single-mode fibre). The product features low power consumption and compact dimensions when operating without cooling.
Features
- Broad spectrum
- High output power
- Compact size, lightweight
- Excellent temperature characteristics, low power consumption, high reliability
Application
- Fibre-Optic Gyroscope (FOG)
- Fibre-Optic Sensing
- Fibre-Optic Communication
Photoelectric parameters
Temperature 25°C, drive current 100mA
| Parameter | Indicator | Unit | |||||
| WXG8543Q | WXG8544Q | WXG8545Q | |||||
| Output optical power | Low power | 500-1000 | |||||
| Medium power | 1000-2000 | μW | |||||
| High power | ＞2000 | ||||||
| centre wavelength | 830±20 | nm | |||||
| Spectral half-width | High polarisation | ≥25 | nm | ||||
| Low polarisation | ≥15 | nm | |||||
| Spectral ripple | ≤0.2 | dB | |||||
| Polarisation | High polarisation | ≥80 | % | ||||
| Low polarisation | ≤20 | % | |||||
| Package Type | 8-pin butterfly connector | 6-pin butterfly connector | 4-pin butterfly connector | ||||
| Operating Mode | temperature control | temperature control | No temperature control | ||||
| Pigtail Type | PM or SM | ||||||
| Pigtail Diameter | 125/250 or 80/165 | μm | |||||
| Operating Temperature | -140 | ℃ | |||||
| Storage Temperature | -140 | ℃ | |||||
| Parameter Name | Symbol | Rated value | Unit | |
| Min | Max | |||
| Reverse Voltage | VR | - | 5 | V |
| Operating Current | IF | - | 130 | mA |
| Pigtail Bending Radius | R | 20 | - | mm |
| Cooling Current | Ith | - | 1.2 | A |
| Welding Temperature (Time) | Tsid | - | 260℃（10s） | - |
| Recommended Operating Current ≤ 0.8A | ||||
Dimensions and Pins
| Number | PIN |
|---|---|
| 1 | Super-radiant light-emitting diode+ |
| 2 | Super-radiant light-emitting diode- |
| 3 | Thermistor |
| 4 | Thermistor |
| 5 | Peltier cooler- |
| 6 | Peltier cooler+ |
