LD-PD's narrow linewidth single-frequency laser using an unique the semiconductor external cavity structure. The typical output bandwidth is less than 20KHz linewidth and narrow linewidth FM laser module, with ultra-low RIN noise and excellent Frequency modulation performance, is now widely used in vehicle-mounted lidar and optical fiber sensing detection system.The module has a built-in signal generator and supports real-time online pre-distortion correction.
LD-PD's narrow linewidth single-frequency laser has its own patents, high structural stability, mature technology and it is suitable for mass production. This devise complies with Telcordia GR-468 standard and has passed the long-term reliability test.
Name | Model | Description | Parameter | Price |
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● PM Fiber output, line width is less than 20KHz
● ITU-T Wavelength from 1530 to 1565nm, can be customized upon request
● Frequency modulation range: 5GHz.
● Optical power: 16dBm.
● RIN noise: -165dBc/Hz @100KHz.
Specifications | Minimum value | Typical value | Maximum | Unit | Note |
Wavelength | 1530 | 1550 | 1570 | nm | Customizable |
Working Temperature | -10 | 70 | ℃ | ||
Output Power | 17 | 20 | dBm | Customizable | |
RIN Noise | -155 | -163 | dBc/Hz@100kHz | ||
Operational Current | 400 | 2000 | mA | ||
Operating Voltage | 4.75 | 5 | 5.25 | V | |
Lorentz linewidth 1 | 10 | 20 | KHz | Customizable | |
Side Mode Suppression Ratio | 50 | dB | |||
Frequency Modulation Range | 1 | 2 | 3 | GHz | |
Modulation Rate | 40 | 70 | 100 | KHz | |
Frequency Modulation linearity | 99.95% | ||||
Output Mode | Opticaloutput (default) | ||||
Interface Type | FC/APC (default) | ||||
Optical Fiber Type | SM/PM |
1. Value measured by Autocorrelation heterodyne method
Spectrum
Linewidth characteristics
1550nm Narrow Linewidth Laser Module PZT Sweep Freouency Test
PIN Definition
PIN# | NAME | Function and Note |
1 | Vcc | 4.75Min, 5.25V Max, 3A, Low noise |
2 | Tx(output) | Data output, RS232/3.3 to 5V TTL232(Default) |
3 | Rx(input) | Data output, RS232/3.3 to 5V TTL232(Default) |
4 | / | NC |
5 | GND | GND |
6 | Vcc | 4.75Min, 5.25V Max, 3A, Low noise |
7 | / | NC |
8 | / | NC |
9 | GND | GND |
Frequency Modulation & Predistortion Compensation Data
Repetiton Frequency(KHz) | Voltage Amplitude(V) | Voltage Bias(V) | Modulation Range(GHz) |
90 | 2.5 | 1.5 | 5.69 |
● LIDAR
● Fiber Optical Hydrophones
● Resonant Fiber Optic Gyro
● Distributed Fiber Sensing
● Coherent Communication
● Scientific Research
PL-NLFMM-□□□□-☆-▽- XX-XXX-M-PZT
□□□□:Wavelength
1530~1565nm ITU-T DWDM,Optional
☆ :Output Power
A: 5mW
B: 10mW
C: 20mW
D: 40mW
E: 60mW
▽:Modulation Mode
1:DM(Frequency modulation range:5GHZ,Modulation Rate:200KHZ)
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
PA=PM Fiber+ FC/APC
XXX: Module grade
A:<20KHZ
M-PZT: M-PZT stands for PZT Modulation