特長
● Narrow Linewidth < 2MHz
● Excellent wavelength control and stability
● Industry Standard 14 pin Butterfly package
● Mode-Hop free tuning
● Excellant reliability
● Customer specific wavelengths available
レーザー仕様
Electrical/Optical Characteristics (Tsub=25°C, CW bias unless stated otherwise)
Parameter | Symbol | Min | Typ | Max | Unit |
Centre Wavelength | λ | 1239.5 | 1240.0 | 1240.5 | nm |
Side Mode Suppression Ratio | SMSR | 30 | 40 |
| dB |
Threshold Current | Ith |
| 20 | 30 | mA |
Operating Current | Iop |
| 300 | 500 | mA |
Chip output Power | Pf | 40 | 50 | 60 | 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
DFB Linewidth Testing Result
パッケージサイズ
ピン定義
1 | Thermoelectric Cooler (+) | 8 | N/C |
2 | Thermistor | 9 | N/C |
3 | PD Monitor Anode (-) | 10 | Laser Anode (+) |
4 | PD Monitor Cathode (+) | 11 | Laser Cathode (–) |
5 | Thermistor | 12 | N/C |
6 | N/C | 13 | Case Ground |
7 | N/C | 14 | Thermoelectric Cooler (–) |
Absolute Maximum Ratings
Item | Unit | Min | Typ | Max |
Case Temperature | ℃ | -5 | 25 | 70 |
Chip Temperature | ℃ | +10 | 25 | 40 |
Operating Current | mA | 0 | 300 | 500 |
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 |
応用 / 用途
● Tunable diode laser absorption spectroscopy
● Gas Monitoring
注文情報
PL-DFB-□□□□-☆-A8▽- XX
□□□□: Wavelength
1240: 1240nm
1392: 1392nm
1512: 1512nm
1567: 1567nm
1572: 1572nm
*****
1653.7: 1653.7nm
☆: Output Power
A: 30mW
B: 60mW
▽: Wavelength Tolerance
1: ±1nm
2: ±2nm
XX: Fiber and Connector Type
SA=SMF-28E+ FC/APC
SP=SMF-28E+ FC/PC
PP=PM Fiber+ FC/PC
PA=PM Fiber+ FC/APC
