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Product Details
Description
The PL-DFB-1270-A-1-SA-14BF 1270nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14 pin butterfly package with TEC and PD Built in.
Features
● Narrow Linewidth < 2MHz
● Excellent wavelength control and stability
● Industry Standard 14 pin Butterfly package
● Mode-Hop free tuning
● Excellant reliability
● Customer specific wavelengths available Applications ● Tunable diode laser absorption spectroscopy
● HF Monitoring
● Excellent wavelength control and stability
● Industry Standard 14 pin Butterfly package
● Mode-Hop free tuning
● Excellant reliability
● Customer specific wavelengths available Applications ● Tunable diode laser absorption spectroscopy
● HF Monitoring
Electrical/Optical Characteristics(Tsub=25°C, CW bias unless stated otherwise)
Parameter | Symbol | Min | Typ | Max | Unit | ||||
Centre Wavelength | λ | 1269.5 | 1270.0 | 1270.5 | nm | ||||
Side Mode Suppression Ratio | SMSR | 30 | 40 | dB | |||||
Threshold Current | Ith | 20 | 30 | mA | |||||
Operating Current | Iop | 1280 | 250 | mA | |||||
Chip output Power | Pf | 10 | 315 | 90 | mW | ||||
Quantum Efficiency | η | 0.08 | 0.12 | mW/mA | |||||
Current Tuning Coefficient | ∆λ/∆I | 0.015 | nm/mA | ||||||
Temperature Tuning Coefficient | ∆λ/∆T | 0.12 | nm/K | ||||||
Forward Voltage | Vf | 1.3 | 2 | V | |||||
Thermistor Resistance | RT | 9.5 | 10 | 10.5 | KΩ | ||||
Thermistor Temp. Coefficient | -4.4 | %/°C | |||||||
Connector | FC/APC | ||||||||
Spectrum
L-I Curve
Tuning characteristics
Central Wavelength
Wavelength Stability
Beam Quality
Package Size
Schematic Diagram (Top View)
Pin Connection
PIN# | Function | PIN# | Function |
1 | Thermistor | 8 | NC |
2 | Thermistor | 9 | NC |
3 | NC | 10 | NC |
4 | PD Monitor Anode (-) | 11 | Laser Anode (+),Case Ground |
5 | PD Monitor Cathode (+) | 12 | RF Laser Input Cathode (–) |
6 | Thermoelectric Cooler (+) | 13 | Laser Anode (+),Case Ground |
7 | Thermoelectric Cooler (–) | 14 | NC |
Absolute Maximum Ratings
Item | Unit | Min | Typ | Max |
Case Temperature | ℃ | -5 | 25 | 70 |
Chip Temperature | ℃ | +10 | 25 | 40 |
Operating Current | mA | 0 | 100 | 150 |
Forward Voltage | V | 0.8 | 1.2 | 1.8 |
TEC Current | A | - | - | 1.2 |
Reverse Voltage（LD） | V | - | - | 2.0 |
Reverse Voltage(PD) | V | - | - | 20 |
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FAQ
Q1. What is the advantage about your company?
A1. Our company has professional team and professional production line.
Q2. Why should I choose your products?
A2. Our products are high quality and low price.
Q3. Any other good service your company can provide?
A3. Yes,we can provide good after-sale and fast delivery.