The PL-NL series Fiber Bragg Grating laser is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).
Name | Model | Description | Parameter | Price |
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● Optical output: 20mW
● Narrow linewidth (Δν<1MHz)
● Wavelength: 785nm @ 25℃
● SM or PM Fiber (ø0.9mm)
● FC-APC connector
● 14-pin butterfly package
● Internal monitor PD and TEC
● Low power consumption
Optical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Center Wavelength | λc | TL=15~35℃ CW | 780 | 785 | 790 | nm |
Peak Optical Output Power | PO | - | - | 10 | 20 | mW |
Spectral linewidth | LW | - | - | 1 | 10 | MHZ |
Side-mode Suppression Ratio | SMSR | CW | 30 | 40 | - | dB |
Optical Isolation | - | -10 < TC < +70 ºC | 30 | - | - | dB |
Polarization Extinction Ratio | ER | - | 20 | - | - | dB |
Relative Intensity Noise | RIN | CW,output power 5mW | - | - | -135 | dB |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15~35℃ | - | - | ±30 | pm |
Wavelength Temperature coefficient | Δλ/ΔT | TL=15~35℃ | - | 65 | 80 | pm/ºC |
Wavelength Current coefficient | Δλ/ΔΙ | - | - | 1.0 | 2 | pm/mA |
Tuning Range(For PZT Version) | Δf | 0.5 | 1 | nm | ||
PZT Driving Voltage( PZT Version) | VT | 0 | 150 | V | ||
Mode Hope free Range | ΔI | 3 | mA |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 45 | 65 | mA |
Operating Current | Iop | CW | - | 80 | 100 | mA |
Slope Efficiency | ƞ | CW output power 30 mW | 0.064 | 0.1 | 0.4 | mW/mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power@30 mW | - | 1.3 | 2.5 | V |
Input Impedance | ZIN | 22 | 25 | 28 | Ω | |
Monitor Dark Current | ID | - | - | - | 0.1 | μA |
Thermistor Current | ITC | - | 10 | - | 100 | μA |
Thermistor Resistance | RTH | TLD=25°C | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | TLD=25°C, TC=70°C | - | - | 1.8 | A |
TEC Voltage | VTEC | IF=EOL, TC=70°C | - | - | 3.5 | V |
TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | ℃ |
Thermistor temperature | - | - | - | - | 100 | ℃ |
Spectrum
L-I Curve
Linewidth Testing Result
Wavelength VS PZT Voltage
Beam Quality(M2,2D/3D Beam)
Fiber Pigtail Specifications
Parameters | Description |
Fiber Type | PM fiber |
Jacket Type | 900μm loose tube |
Pigtail Length | 1.0±0.1m |
Connector Type | FC/APC |
PM fiber Connector Orientation | Please see the right figure |
Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked
PZT Built Inside
1 | Thermoelectric Cooler (+) | 8 | PZT tuning - |
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 | PZT tuning + | 14 | Thermoelectric Cooler (–) |
Absolute Maximum Ratings
Item | Unit | Min | Typ | Max |
Case Temperature | ℃ | -40 | 25 | 70 |
Chip Temperature | ℃ | +10 | 25 | 40 |
Operating Current | mA | 0 | 250 | 300 |
Forward Voltage | V | 0.8 | 1.2 | 1.8 |
TEC Current | A | - | 1.2 | 1.4 |
Reverse Voltage(LD) | V | - | - | 1.8 |
● Laser interference experiment
● Drop-side of DWDM long-haul transport equipment
● Optical Test and Instrumentation
● Microwave Photonics
● CATV networks
● Sensors
PL-NL-□□□□-☆-A8▽-XX-☆
□□□□: Wavelength
0633: 633nm
0785: 785nm
1550: 1550nm
1555: 1555nm
*****
1560: 1560nm
☆: Output Power
A: 10mW
B: 30mW
▽: Linewidth
1: <10MHz
XX: Fiber and Connector Type
SA=SM780+ FC/APC
SP=SM780+ FC/PC
PP=PM780 Fiber+ FC/PC
PA=PM780 Fiber+ FC/APC
☆
No PZT: Leave it Blank
PZT: Version please use PZT to replace