Customizable Narrow Linewidth Laser Module 1510-1590nm | 1kHz~10kHz 20mW OEM
Customizable wavelength narrow linewidth laser module (1510-1590nm) with selectable linewidth 1kHz/3kHz/5kHz/10kHz and stable 20mW output. Ultra-low noise, high stability, ideal for fiber sensing, LiDAR, test & measurement and OEM systems.
Model： UNL-XXXX-20-X
Dongz
Email: Sales@wxgphotonics.com
This UNL-XXXX-20-X series narrow linewidth laser module supports wavelength customization from 1510nm to 1590nm and flexible linewidth selection (1kHz, 3kHz, 5kHz, 10kHz). It provides stable 20mW optical output, ultra-low phase noise, and excellent long-term stability, making it widely used in fiber optic sensing, LiDAR, precision testing, scientific research and customized OEM solutions.
1.Specifications
Narrow-Linewidth Laser Module Customizable wavelengths within the 1511–1590 nm range
| Parameter | Min. | Type. | Max. | Unit | Nore |
|---|---|---|---|---|---|
| Center Wavelength | 1511 | 1550 | 1590 | nm | |
| Output Optical Power | 10 | 13 | dbm | ||
| Relative Intensity Noise | -150 | dB/Hz | >100kHz | ||
| Side Mode Suppression Ratio | 50 | 68 | dB | ||
| Polarization Extinction Ratio | 20 | 30 | dB | ||
| Optical Power stability | ±2% | -20℃~+70℃ （Ambient temperature） | |||
| Optical Power stability | ±0.5% | 12h @ 25±2℃ （Ambient temperature） | |||
| Wavelength Stability | ±15 | pm | -20℃~+70℃ （Ambient temperature） | ||
| Short-term drift of optical frequency | 1 | MHz/s | After the module reaches thermal equilibrium | ||
| Long-term drift of optical frequency | ±38 | MHz/s | 12h@ 25±2℃ （Ambient temperature） | ||
| Operating Current | 400 | 2000 | mA | ||
| Operating Voltage | 4.75 | 5 | 5.25 | V | |
| Operating Temperature | -20 | 70 | ℃ | ||
| Storage humidity | 5 | 95 | %RH | ||
| Fiber Optics/Connectors | Polarization-maintaining (PM) fiber, FC-APC | ||||
| Module Dimensions | L*W*H(85*47*14mm) | ||||
| Module weight | 145g | ||||
| Reliability | Telcordia GR-468 |
Line Width and Noise Parameters
| Linewidth & Optical Frequency Noise | Level 1 | Level 1 | Level 1 | Unit |
|---|---|---|---|---|
| Integration line width 1 | 10 | 5 | 3 | kHz |
| Instantaneous linewidth 2 | 1.17 | 0.78 | 0.32 | kHz |
| Frequency noise @ 10Hz | 7E+06 | 1E+06 | 7E+05 | Hz rms^²/Hz |
| Frequency noise @ 200Hz | 7E+04 | 2E+04 | 6E+03 | Hz rms^²/Hz |
Note 1:The integrated linewidth was measured using the heterodyne non-equilibrium interferometry method.
Note 2:The instantaneous linewidth corresponds to the Lorentzian linewidth.
Figure 1. Example of integral linewidth (linewidth 2.15 kHz, self-heterodyne unbalanced interference method, 50 km delay fiber)
Figure 3. Example of Light Intensity Noise 0–100 MHz (Measured via Spectrum Analyzer with 4 mW Laser Input to Photodetector)
Figure 4. Example of Light Intensity Noise at 1 MHz - 10 MHz (Measured using SYCATUS A0010A RIN Test System)
5. Light Intensity Noise Example: 10 MHz - 3 GHz (Measured using SYCATUS A0010A RIN Test System)
6. Optical Frequency Noise Example (450Hz spike introduced by SYCATUS A0040A optical frequency noise test system, not module noise)
2. Appearance and Structural Dimensions: Unit (mm)
3. Port Definitions:
| PIN | Name | Desc |
|---|---|---|
| 1 | Vcc | Input power supply: 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 | Gnd |
| 5 | Gnd | Gnd |
| 6 | Vcc | Input power supply: 5V/3A low noise (recommended ripple <5mV) |
| 7 | Mod+(input) | Custom Features |
| 8 | Mod-(input) | Custom Features |
| 9 | Enable(input) | Module restart interface, default low level, high level triggers restart; |
4.OrderInfo
UNL-XXXX-20-X
UNL-1550-20-3：Wavelength: 1550 nm Power: 20 mW Linewidth: 3 kHz
UNL-1550-20-5：Wavelength: 1550 nm Power: 20 mW Linewidth: 5 kHz
UNL-1550-20-10：Wavelength: 1550 nm Power: 20 mW Linewidth: 10 kHz
