Custom 3k 20mW narrow linewidth laser modules in the 1511–1590 nm range
Description：Narrow-linewidth laser modules with customizable wavelengths ranging from 1511 to 1590 nm and output powers of 10 to 20 mW are suitable for fiber optic sensing and lidar applications.
Applications： Fiber Optic Sensing Lidar
Wavelength：1550nm
Customizable：Customizable wavelengths within the 1511–1590 nm range
Output Power：20mW
Model：UNL-XXXX-20-X
Dongz
Email: Sales@wxgphotonics.com
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)
II. Appearance and Structural Dimensions: Unit (mm)
III. 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; |
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
