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).
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).
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).
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).
LAN, WAN and metro networks;
C/DWDM systems;
Laser sources.
| 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 |
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.
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.
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