The 1.5 μm frequency-stabilized laser seed source combines high-precision error signal extraction with feedback control to achieve stable output with frequency fluctuations below 1 MHz, meeting the requirements of precision measurement and high-coherence applications.
Noise Suppression Scheme
Error Signal Extraction Technology
Quantum Technology Fields
Precision Measurement Systems
Industrial Sensing Networks
| Technical Parameter | Unit | Technical Specification | ||
|---|---|---|---|---|
| Min | Typical | Max | ||
| Central Wavelength | nm | 1550 | ||
| Laser Mode | / | Single Longitudinal Mode, Continuous Wave | ||
| Output Power | mW | 20 | 30 | |
| Linewidth | kHz | 15 | 20 | 25 |
| Optical Signal-to-Noise Ratio | dB | 55 | ||
| Wavelength Drift (RMS @ 2h) | kHz | ±500 | ||
| Output Power Adjustment | % | 1–100 | ||
| Operating Temperature | °C | −10 | 45 | |
| Polarization Type | / | Linear Polarization | ||
| Polarization Extinction Ratio | dB | 20 | 21 | 23 |
| Operating Voltage | VDC | 12 | ||
| Output Fiber Type | / | PM1550 | ||
| Power Consumption | W | |||
The 1.0 µm ultra-low noise seed laser is engineered for high-end applications such as new energy laser driving, coherent photoradar, precision interferometry, and quantum optics. Utilizing advanced low-RIN laser technology paired with a highly stable power control architecture, it effectively suppresses noise accumulation within the system.
This ensures long-term power stability, extremely low intensity fluctuations, and enhanced detection sensitivity, significantly improving the overall accuracy and performance of related optical systems.
Ultra-Low Intensity Noise
Excellent Power Stability
Completely Independent Intellectual Property Rights
Quantum Communication
Distributed Fiber Sensing
Coherent Optical Measurement
The 1.0 μm frequency-stabilized single-frequency fiber laser is designed for high-end applications such as precision interferometric imaging, ultra-long baseline measurement, and fiber sensing networks. It adopts narrow-linewidth single-frequency laser technology combined with a high-precision frequency stabilization control scheme, achieving extremely low frequency drift, excellent long-term coherence, and outstanding wavelength repeatability. It can significantly improve system signal-to-noise ratio and measurement resolution, suppress phase noise accumulation, and ensure stable output even during long-term operation and under harsh environmental conditions.
Ultra-Stable Frequency Characteristics
Exceptional Coherence
Intelligent Frequency Stabilization System
Precision Interferometric Imaging
Ultra-Long Baseline Measurement
Fiber Sensing Networks
The phase-modulated fiber seed source uses a single-frequency seed source and achieves GHz-level spectral broadening through a phase modulator. The output linewidth can be adjusted by controlling the RF signal output power. The seed source has a selectable central wavelength of 980–1120 nm and features wavelength tuning, adjustable output power, and configurable output linewidth.
Single Longitudinal Mode Output
Adjustable and Stable Linewidth
High Side-Mode Suppression Ratio
High-Power Narrow-Linewidth Lasers
Spectral Synthesis
Coherent Beam Combining
The 1.0 μm point light source is a single-mode continuous-output fiber laser. It features a Fabry–Perot cavity design and employs single-clad fiber pumping technology to achieve high-performance laser output, with an output power of up to 200 mW. It also offers nearly diffraction-limited beam quality and can be widely used in scientific research, experimental teaching, and device testing and measurement.
High Beam Quality
Stable Power
Polarization-Maintaining Single-Mode Output
Scientific Research
Experimental Teaching
Device Testing and Measurement
