1490nm DFB Butterfly Laser Diode
Product Description
Product Detail
1. Summary of 1490nm DFB Butterfly Laser Diode
The 1490nm DFB Butterfly Laser Diode features 10mW 20 mW of output optical power, high Side Mode Suppression Ratio (SMSR), low residual chirp, and a built in thermoelectric cooler, thermistor, and a rear-facet monitor photodiode for external optical power control.
2. Introduction of 1490nm DFB Butterfly Laser Diode
The 1490nm DFB Butterfly Laser Diode features 10mW 20 mW of output optical power, high Side Mode Suppression Ratio (SMSR), low residual chirp, and a built in thermoelectric cooler, thermistor, and a rear-facet monitor photodiode for external optical power control.
3. Features of 1490nm DFB Butterfly Laser Diode
14PIN butterfly Package;
10mW or 20mW output power typical;
Side Mode Suppression Ratio 40 dB;
FC/APC or FC/PC fiber coupled connector.
4. Application of 1490nm DFB Butterfly Laser Diode
Analog link up to 2 GHz bandwidth;
CWDM/DWDM optical communication;
Absorption spectroscopy;
CW 1490nm laser source.
5. Electro-Optical Characteristics(T = 25℃) of 1490nm DFB Butterfly Laser Diode
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Center Wavelength | λc | TL=15～35℃ CW | 1488 | 1490 | 1492 | 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 1490nm DFB Butterfly Laser Diode
7. Deliver,Shipping And Serving of 1490nm 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.