1550nm 50mW DFB SM Fiber Coupled Laser Diode
Product Description
Product Detail
1. Summary of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
The 1550nm 50mW DFB SM Fiber Coupled Laser Diode is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).
2. Introduction of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
The 1550nm 50mW DFB SM Fiber Coupled Laser Diode is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).
3. Features of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
Optical output: 50mW;
Center Wavelength 1310nm or 1550nm;
14-pin butterfly package;
Internal monitor PD and TEC;
Single mode fiber pigtail or PM fiber pigtail (optional).
4. Application of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
LAN, WAN and metro networks;
C/DWDM systems;
Laser sources.
5. Electro-Optical Characteristics(T=25℃) of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Center Wavelength | λc | TL=15～35℃ CW | 1548 | 1550 | 1552 | nm |
| Optical Output Power | PO | - | 50 | - | - | mW |
| Threshold Current | ITH | - | - | 10 | 35 | mA |
| Slope Efficiency | ƞ | CW output power 20mW | 0.05 | 0.20 | 0.40 | mW/mA |
| Operating current | Iop | PO= 40mW(CW) | - | 350 | - | mA |
| Spectral linewidth | LW | FWHM | - | 3 | - | MHz |
| Laser Forward Voltage | VF | CW output power 40mW | - | - | 3.0 | V |
| Monitor Dark Current | ID | - | - | - | 0.1 | μA |
| Bandwidth(@-3dB) | BW | - | - | 2.5 | - | GHz |
| Side-mode Suppression Ratio | SMSR | CW | 35 | 40 | - | dB |
| Optical Isolation | - | -10 < TC < +70℃ | 30 | 35 | - | dB |
| TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
| Thermistor Current | ITC | - | 10 | - | 100 | μA |
| Thermistor Resistance | RTH | TL = 25 °C | 9.5 | 10 | 10.5 | KΩ |
| TEC Current | ITEC | TL = 25 °C, TC = 70℃ | - | - | 1.5 | A |
| TEC Voltage | VTEC | TL = 25 °C, TC = 70℃ | - | - | 3.5 | V |
| TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | °C |
| Thermistor temperature | - | - | - | - | 100 | °C |
| Wavelength Drift (EOL) | △λ |
Tested over 25-year lifetime |
- | - | ±0.1 | nm |
| Wavelength Temperature coefficient | Δλ/ΔT |
TEC temperature at 15℃ to 35℃ |
- | 0.09 | - | nm/℃ |
| Wavelength Current coefficient | Δλ/ΔΙ | - | - | 0.01 | - | nm/mA |
6. Package drawing&PIN-OUT Definition(Unit:mm) of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
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Type 1
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Type 2
7. Deliver,Shipping And Serving of 1550nm 50mW DFB SM Fiber Coupled Laser Diode
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
8. FAQ
A: Box optronics can provide CWDM and DWDM wavelength for choice.
Q: What is the optical connector you requirement?A: Box optronics can customize the optical connector according the requirement for free.