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.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 |
---|
● 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 | 16 | 17 | dBm | Customizable | |
RIN noise | -165 | -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 | 3 | 5 | GHz | ||
Modulation rate | 1 | 100 | 200 | KHz | |
Frequency modulation linearity | 1% | ||||
Output mode | Opticaloutput (default) | ||||
Interface type | FC/APC (default) | ||||
Optical fiber type | SM/PM |
1. Value measured by Autocorrelation heterodyne method
Spectrum
Linewidth characteristics
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 | / | Amplitude modulation(customer) |
5 | GND | GND |
6 | Ready(output) | Ready output, Active low, needs external pull up |
7 | Mod+(input) | Modulation input + |
8 | Mod-(input) | Modulation input - |
9 | Enable(input) | Active low(Default) |
Remarks: 7 and 8 pin can only use positive level(BNC Interface)
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