100mW narrow-linewidth laser 3kHz linewidth suitable for DVS
Description：This laser delivers 100mW of power output with a linewidth of 3k, supporting both continuous and pulsed light output. It is ideally suited for use in distributed fiber optic vibration monitoring systems as a replacement for an AOM.
Applications： Fiber Optic Sensing Lidar
Tags：narrow-linewidth laser 100 mW Narrow Linewidth Laser 3kHz linewidth 100mW Laser Laser Integrated SOA DVS Laser
Wavelength：1550nm
Customizable：Customizable wavelengths within the 1511–1590 nm range.
Output Power：100mW
Model：unl-1550nm-3k-100mw
Dongz
Email: Sales@wxgphotonics.com
I. Laser Specifications
| Params | Min. | Type. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| wavelength | 1530 | 1550 | 1570 | nm | Customizable |
| Peak output power | 20 | dBm | Customizable | ||
| RIN | -150 | dB/Hz @100kHz | |||
| Operating Current | 450 | 2000 | mA | 25℃(Pulse Mode) | |
| Operating Voltage | 4.75 | 5 | 5.25 | V | |
| Edge Mold Suppression Ratio | 60 | 68 | dB | ||
| Polarization Extinction Ratio | 20 | dB | |||
| SOA Shutdown Extinction Ratio | 50 | 55 | dB | ||
| Rising edge(Tr) | 5 | 10 | ns | ||
| falling edge(Tf) | 1.5 | 5 | ns | ||
| Delay(Td) | 47 | 60 | ns | ||
| Pulse width(Ton) | 200 | ns | |||
| Frequency drift rate | 1 | MHz/s | |||
| Wavelength drift | ±15 | pm | Full-temperature | ||
| Power Stability | ±2% | Full-temperature | |||
| Frequency stability | ±38 | MHz | 12h@25±2℃ | ||
| Operating Temperature | -20 | 70 | ℃ | Customizable | |
| Storage temperature | -40 | 85 | ℃ | ||
| Output Type | Polarization-maintaining (PM) fiber, FC-APC connector, minimum bending radius 35mm, maximum fiber pull force 5N | ||||
Line width and noise parameters
| Line Width & Noise | Level 1 | Level 2 | Level 3 | Unit | |
|---|---|---|---|---|---|
| Integral line width¹ | 10 | 5 | 3 | kHz | |
| Instantaneous linewidth² | 1.17 | 0.78 | 0.32 | kHz | |
| Light noise@10Hz | 7E+06 | 1E+06 | 7E+05 | Hzrms^2/Hz | |
| Light noise@200Hz | 7E+04 | 2E+04 | 6E+03 | Hzrms^2/Hz | |
Note 1: The integrated linewidth is measured using the heterodyne unbalanced interferometry method;
Note 2: The instantaneous linewidth is the Lorentzian linewidth.
II. Pulse Waveform Testing
Note: Purple indicates the input pulse signal; red indicates the signal received by the output photodetector (PD).
Test Conditions
| Waveform | Frequency | amplitude | Duty cycle | Pulse width | Remark |
|---|---|---|---|---|---|
| Pulse wave | 100kHz | 4V | 2% | 200ns |
Test Results
| Time | Unit | Remark | |
|---|---|---|---|
| Rising Edge (Tr) | 5 | ns | |
| Falling edge (Tf) | 1.1 | ns | |
| Delay Time (Td) | 47 | ns | |
| Pulse Width (Ton) | 200 | ns |
III. Structural Dimensions and Ports: Unit (mm)
Ⅳ.Port Definition:
| PIN# | Function | Note |
|---|---|---|
| 1 | Vcc | Input power 5V/3A，Low Noise (Recommended Ripple＜5mV） |
| 2 | Tx(output) | Data Output, 3.3V TTL(Default) |
| 3 | Rx(input) | Data input, 3.3V TTL(Default) |
| 4 | Gnd | Ground |
| 5 | Gnd | Ground |
| 6 | Vcc | Input power 5V/3A，Low Noise (Recommended Ripple＜5mV） |
| 7 | NC | NC |
| 8 | NC | NC |
| 9 | NC | NC |
| PIN# | Function | Note |
|---|---|---|
| 1 | MOD+ | SMA RF connector, external threaded, internal bore, external pulse signal input port, 3V < MOD+ < 5V (high-level range) |
| 2 | Gnd | Ground |
Test Report
