LD-PD INC DFB laser has the characteristics of ultra-low RIN noise, ultra-narrow linewidth and high output optical power. It is widely used in vehicle-mounted laser radar, optical fiber sensing detection system and high-precision measurement. We can provide customized services and corresponding technical support according to customers' needs.
Name | Model | Description | Parameter | Price |
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● Width: 150KHz -200KHz
● Optical power: 60mW
● RIN noise: -163dBc/Hz@100KHz
Index | Symbol | Min | Typ | Maximum | Unit | Condition |
Output Power | Po | 40 | 60 | mW | CW | |
Center Wavelength | λc | λI-0.5 | * λI | λI+0.5 | nm | T=25℃ |
Spectral Linewidth (FWHM) | ΔνL | 150 | 200 | KHz | Lorentz linewidth | |
Side Mode Suppression Ratio | SMSR | 40 | dB | CW, @Po | ||
Polarization Extinction Ratio | PER | 20 | dB | Applicable to polarization maintaining, along the slow axis | ||
Relative Intensity Noise | RIN | -163 | -155 | dB/Hz | ||
Optical Isolation Ratio | ISO | 40 | dB | |||
TEC Set Temperature | TTEC | 15 | 40 | ºC | ||
Threshold Current | Ith | 15 | 30 | mA | @TTEC | |
LD Working Current. | Ib | 300 | mA | CW, Po | ||
LD Working Voltage | Vf | 1.5 | 1.8 | V | CW, Po | |
PD Bias Voltage | VR | 4.75 | 5 | 5.25 | V | Cathode to anode. |
PD Current | Imc | 2 | mA | @Po | ||
PD Dark Current | Imd | 1 | nA | VR=5V | ||
Working Temperature | To | -40 | 25 | 80 | ⁰C | |
Storage Temperature | Ts | -40 | 80 | ⁰C |
* λ I: c band ITU standard optional ITU-CXX (XX= 24, 28, 32 ,36, 44)
Spectrum
Linewidth Measurement(CW,148.690 kHZ@25deg)
L-I Curve
Tuning Characteristics
TYPE A
Schematic Diagram (Top View)
TYPE A
TYPE A Pin Connection
PIN# | Function | PIN# | Function |
1 | Thermistor | 8 | Case Ground |
2 | Thermistor | 9 | Case Ground |
3 | LD(-) | 10 | NC |
4 | Detector (+) | 11 | LD(+) |
5 | Detector (-) | 12 | LD (–), RF |
6 | TEC (+) | 13 | LD (+) |
7 | TEC (–) | 14 | NC |
TYPE B
Schematic Diagram (Top View)
TYPE B
TYPE B Pin Connection
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 | 200 | 300 |
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 |
● Tunable diode laser absorption spectroscopy
● Lidar
● Long distance Fiber Communication
PL-DFB-□□□□-△-☆-A8▽-XX-NL
□□□□: Wavelength
1550: 1550nm
*****
1565: 1565nm
△:Narrow linewidth
50: 50KHz
100: 100KHz
200: 200KHz
☆: Output Power
50: 50mW
100: 100mW
▽: 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
NL: Narrow Linewidth@150KHZ