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 DIL package with monitor photodiode and thermo-electric cooler (TEC).
Name | Model | Description | Parameter | Price |
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● Optical output: 10mW
● Narrow linewidth (Δν < 1MHz)
● Wavelength:775nm @ 25℃
● SM or PM Fiber (ø0.9mm)
● FC-APC connector
● 14-pin DIL 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 | 770 | 775 | 780 | nm |
Peak Optical Output Power | PO | - | 5 | - | 10 | mW |
Spectral linewidth | LW | - | - | 1 | 10 | MHZ |
Relative Intensity Noise | RIN | -145 | db/HZ | |||
SMSR | SMSR | CW | 40 | 50 | - | dB |
PER | ER | - | 20 | - | - | dB |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15~35℃ | - | - | ±1 | pm |
Wavelength Temperature coefficient | Δλ/ΔT | TL=15~35℃ | - | 100 | pm/ºC | |
Wavelength Current coefficient | Δλ/ΔΙ | - | - | 1 | pm/mA | |
Mode Hope free Range | ΔI | 30 | mA |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 40 | mA | |
Operating current | Iop | CW | - | 90 | 110 | mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power@5 mW | - | 1.3 | 2.5 | V |
Monitor Dark Current | ID | Pf=5mw VRD=5V | - | - | 0.1 | μA |
Thermistor Current | ITC | - | 10 | - | 100 | μA |
Thermistor Resistance | RTH | TLD=25°C, B=3900±100K | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | IF=EOL, TC=70°C | - | - | 1.2 | A |
TEC Voltage | VTEC | IF=EOL, TC=70°C | - | - | 2.4 | V |
Spectrum
L-I Curve
775nm Wavelength Stability Measurement
Beam Quality(M2,2D/3D Beam)
Fiber Pigtail Specifications
Parameters | Description |
Fiber Type | HI780/PM780fiber |
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
1 | Thermoelectric Cooler (+) | 8 | PD Anode (-) |
2 | Thermistor | 9 | LD Cathode (-) |
3 | NC | 10 | N/C |
4 | NC | 11 | Thermistor |
5 | LD Anode (+) | 12 | Thermistor |
6 | N/C | 13 | N/C |
7 | PD Cathode (+) | 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 | 90 | 110 |
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
● Optical Test and Instrumentation
● Sensors
PL-NL-□□□□-☆-A8▽-XX-☆
□□□□:Wavelength
0775: 775nm
1550: 1550nm
1555: 1555nm
*****
1560: 1560nm
☆ :Output Power
A:5mW
B:10mW
▽:Linewidth
1:<1MHZ
XX: Fiber and Connector Type
SA=HI780+ FC/APC
SP=HI780+ FC/PC
PP=PM780 Fiber+ FC/PC
PA=PM780 Fiber+ FC/APC
☆: DIL