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).The Single-Frequency Continuous Tuning Range >1.2 nm by adjust the Mini PZT Built in the laser diode. 770nm Tunable laser diodes for CS spectroscopy。
Name | Model | Description | Parameter | Price |
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● Optical output: 30mW
● Narrow linewidth (Δν<1MHz)
● Wavelength: 770nm @ 25℃
● Tunable wavelength
● Single-frequency mode of operation
● Single mode fiber with fiber Bragg grating (FBG)
● Single-Frequency Continuous Tuning Range: > 0.5 nm
● Nominal Wavelength: 630 - 1650 nm
● Hermetic 14-pin DIL or 14-pin Butterfly package
● TEC, thermistor, PD
Optical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Center Wavelength | λc | TL=15~35℃ CW | 769 | 770 | 771 | nm |
Peak Optical Output Power | PO | - | 10 | 15 | 25 | mW |
Spectral linewidth | LW | - | - | 1 | 10 | MHz |
Side-mode Suppression Ratio | SMSR | CW | 40 | 45 | - | dB |
Optical Isolation | - | -10 < TC < +70 ºC | 30 | - | - | dB |
Polarization Extinction Ratio | ER | - | 20 | - | - | dB |
Relative Intensity Noise | RIN | CW, output power 10mW | - | - | -145 | dB/HZ |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15~35℃ | - | - | ±30 | pm |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 45 | 65 | mA |
Slope Efficiency | ƞ | CW , 10 mW | 0.064 | 0.1 | - | mW/mA |
Operating current | Iop | CW | - | 150 | 200 | mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power 5 mW | - | 1.3 | 1.8 | V |
Monitor Dark Current | ID | - | - | - | 0.1 | μA |
Cooler Voltage | Vc | IF=EOL, TC=70°C | 2.7 | V | ||
Cooler Current | Ic | IF=EOL, TC=70°C | - | - | 1.4 | A |
Thermistor Resistance | RTH | TL = 25 °C | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | TL = 25 °C, TC = 70 °C | - | - | 1.8 | A |
TEC Voltage | VTEC | TL = 25 °C, TC = 70 °C | - | - | 3.5 | V |
Tuning Range | Δf | 1 | 1.5 | nm | ||
PZT Tuning Voltage | VT | 0 | 150 | V | ||
Mode Hop Free Range | ΔI | 3 | mA | |||
Extinction Ratio | XP | CW 10 mW | 17 | dB | ||
TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | °C |
Thermistor temperature | - | - | - | - | 100 | °C |
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
Spectrum
L-I Curve
Linewidth Testing Result
Wavelength VS PZT Voltage
Working Structure
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 | ℃ | -5 | 25 | 70 |
Chip Temperature | ℃ | +10 | 25 | 40 |
Operating Current | mA | 0 | 150 | 200 |
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-PZT
□□□□:Wavelength
0633:633nm
0770:770nm
1550:1550nm
1555:1555nm
*****
1560:1560nm
☆ :Output Power
A:10mW
B:20mW
▽:Linewidth
1:<10MHZ
XX: Fiber and Connector Type
SA=HI780+ FC/APC
SP=HI780+ FC/PC
PP=PM780 Fiber+ FC/PC
PA=PM780 Fiber+ FC/APC