1570nm DFB Butterfly Laser Diode
Product Description
Product Detail
1. Summary of 1570nm DFB Butterfly Laser Diode
1570nm DFB Butterfly Laser Diode Provide in a standard 14-pin butterfly mount, these laser diodes have a built in monitor photodiode, Peltier effect thermoelectric cooler, thermistor, and optical isolator. The SMF28 or PM fiber optical output fibre can be terminated with SC/PC, FC/PC, SC/APC, or FC/APC connectors.
2. Introduction of 1570nm DFB Butterfly Laser Diode
1570nm DFB Butterfly Laser Diode Provide in a standard 14-pin butterfly mount, these laser diodes have a built in monitor photodiode, Peltier effect thermoelectric cooler, thermistor, and optical isolator. The SMF28 or PM fiber optical output fibre can be terminated with SC/PC, FC/PC, SC/APC, or FC/APC connectors.
3. Features of 1570nm DFB Butterfly Laser Diode
Center wavelength 1570nm;
Output power 10mW or 20mW;
14-pin butterfly package;
Includes optical isolator, monitor photo diode, and cooler;
4. Application of 1570nm DFB Butterfly Laser Diode
CATV system;
CWDM/DWDM optical communication;
LAN, WAN and metro networks;
CW 1570nm laser source.
5. Electro-Optical Characteristics(T = 25℃) of 1570nm DFB Butterfly Laser Diode
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Center Wavelength | λc | TL=15～35℃ CW | 1568 | 1570 | 1572 | nm |
| Optical Output Power | PO | - | 10 | - | - | mW |
| Threshold Current | ITH | - | - | 10 | 35 | mA |
| Slope Efficiency | ƞ | CW output power 5mW | 0.05 | 0.11 | 0.2 | mW/mA |
| Operating current | Iop | PO= 10 mW (CW) | - | 100 | 200 | mA |
| Spectral linewidth | LW | FWHM | - | 3 | - | MHz |
| Laser Forward Voltage | VF | CW output power 10mW | - | 1.2 | 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 | - | - | dB |
| Relative Intensity Noise | RIN | CW, output power 5mW | - | -145 | - | dB |
| TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
| Input Impedance | ZIN | - | 22 | 25 | 28 | Ω |
| Thermistor Current | ITC | - | 10 | - | 100 | μA |
| Thermistor Resistance | RTH | TL = 25℃ | 9.5 | 10 | 10.5 | KΩ |
| TEC Current | ITEC | TL = 25℃, TC = 70℃ | - | - | 1.5 | A |
| TEC Voltage | VTEC | TL = 25℃, TC = 70℃ | - | - | 3.5 | V |
| TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | ℃ |
| Thermistor temperature | - | - | - | - | 100 | ℃ |
| 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 1570nm DFB Butterfly Laser Diode
7. Deliver,Shipping And Serving of 1570nm DFB Butterfly 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: we have large wavelengths from 1270nm to 1650nm.
Q: What is the requirement for the output power?A: We have 10mW and 20mW options,we can also customize according to your requirements.
Q: What fiber type would you like?A: SM fiber or PM fiber.