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Professional Certifications
We have obtained ISO 9001 quality management system and ISO 14001 environmental management system certifications and are actively pursuing IATF 16949 International Automotive Task Force quality management system certification, laying a solid foundation for the application of LiDAR products in the automotive field.
Customized Services
We can provide customized production services for optical fiber products according to customer needs. We implement strict quality control at every stage of the manufacturing process to ensure stable and reliable product performance.
Production Equipment
We have established advanced chip packaging production lines and automatic coupling production lines. Key equipment includes: eutectic die bonding machines, fully automatic eutectic machines, parallel sealing welding machines, TO automatic sealing machines, OSA automatic transmitter coupling machines, and OSA automatic receiver coupling machines.
Professional Team
We maintain close collaborations with renowned research institutions and universities such as the Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Xiamen University, Shenzhen University, Fuzhou University, and Mingde Innovation Laboratory, bringing together a group of experts and technical personnel with long-term experience in optical device research and development.
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Item |
Description |
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Place of Origin |
Fujian, China |
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Application |
Optical fiber communication |
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Package |
Box package |
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D/C |
2V |
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Type |
Laser module |
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Brand Name |
Belycomm |
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Brand |
1550nm DFB Narrow Linewidth laser module |
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Voltage - Supply |
DC |
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Operating Temperature |
-20~+70 |
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Packaging |
box |
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Voltage - Forward (Vf) (Typ) |
2V |
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Package / Case |
14pin |
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Internal Connection |
SMT |
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Touchscreen |
/ |
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Voltage - Input |
/ |
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Voltage - Output |
/ |
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Power - Minimum Receivable |
50mW |
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Current - Supply |
500mA |
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Current - DC Forward (If) (Max) |
500mA |
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Voltage - DC Reverse (Vr) (Max) |
2V |
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Voltage |
2V |
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Current |
500mA |
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Power (Watts) |
50mW |
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Current - Max |
500mA |
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Output Power |
50mW |
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Product name |
14pin 1550nm laser |
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Wevelength |
1550nm |
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Connector |
FC/APC, SC/APC |
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Line width |
100kHz / 300kHz / 500kHz |
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Fiber type |
Single-mode fiber pigtail |
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Keywords |
Narrow Linewidth Laser |
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Operating temperature range |
-20 to +70 |
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TEC Voltage |
2.6V |
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TEC Current |
1.5A |
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Application |
Range finder |
Better Measurement and Analysis Accuracy
Narrow linewidth lasers provide the spectral purity to resolve extremely fine detail in spectroscopy, interferometry, and metrology. This translates to data that is not only more precise but also more reliable.
Long-Term Stability and Less Noise
Low intensity and phase noise translate to experiments and measurements that are consistent over time. For research laboratories or industrial systems that run around the clock, this stability directly improves efficiency and reduces recalibration needs.
Coherence for Advanced Applications
Holography, high-resolution interferometry, and quantum optics are a few examples of applications relying strongly on coherence. Users can push these technologies to their very limits using narrow linewidth lasers.
Cross-Industry Versatility
From industrial inspection systems to quantum labs, the same inherent benefits—precision, stability, and reliability—address an exceedingly wide variety of applications. This renders narrow linewidth lasers a future-proof investment.
Among semiconductor lasers, distributed feedback laser diodes (DFB lasers) and distributed Bragg reflector lasers (DBR lasers), operating e.g. in the 1.5- or 1.0-μm wavelength region, are the most common. Typical operation characteristics are an output power of some tens of milliwatts (or possibly somewhat above 100 mW) and a linewidth of several megahertz.
Significantly smaller linewidths from semiconductor lasers are possible e.g. by extending the resonator with a single-mode fiber containing a narrow-bandwidth fiber Bragg grating, or with other types of external-cavity diode lasers. In such a way, ultra-narrow linewidths of a few kilohertz or even below 1 kHz can be achieved.
Small fiber lasers in the form of distributed feedback lasers (with the resonator formed essentially by a special fiber Bragg grating) can generate tens of milliwatts of output power with a linewidth in the region of a few kilohertz. Smaller linewidth are possible with longer resonators, which however are more difficult to stabilize.
Higher output powers can be generated with longer distributed Bragg reflector lasers (DBR fiber lasers) or unidirectional fiber ring lasers, and also by using a fiber amplifier.
Diode-pumped solid-state bulk lasers, e.g. in the form of nonplanar ring oscillators, can also have linewidths of a few kilohertz, combined with relatively high output powers of the order of 1 W. Although a 1064-nm wavelength is typical, other wavelengths e.g. in the 1.3- or 1.5-μm wavelength regions are also possible.
The Role of Narrow Linewidth Laser
Extended Transmission Distance
Reduced phase noise minimizes distortions over long-haul optical links.
Higher Data Capacity
Stable laser sources support high-order modulation formats, increasing spectral efficiency.
Lower Bit Error Rate (BER)
Improved phase coherence reduces detection errors, enhancing overall system performance.
Coherent Optical Communications: Information is today modulated onto the phase of the light wave in fiber optics. A broad linewidth would induce phase noise, scrambling the signal and resulting in high bit-error rates. A narrow-linewidth laser maintains the signal intact and readable after thousands of kilometers of travel, enabling the high-bandwidth internet that we enjoy.
LiDAR and Sensing: Frequency-Modulated Continuous-Wave (FMCW) LiDAR is based on the interference between a transmitted laser beam and its reflection to measure distance and speed with high accuracy. The measurement is blurred by a wide linewidth, while a narrow linewidth can provide millimeter-scale accuracy, which is critical for autonomous vehicles and topography mapping.
Atomic, Molecular, and Optical Physics: Experiments like trapping cold atoms, Bose-Einstein condensates, and quantum computing require lasers to be precisely tuned to atomic transitions. Jitter or drift in the laser frequency (a wider effective linewidth) will cause the atoms to miss the “push” from the laser light, and the entire experiment to collapse.
Fiber Optic Sensing: Small-strain or temperature measurement applications along a fiber (e.g., structural health monitoring of pipelines or bridges) rely on interferometry. A narrow linewidth laser must be used to achieve the high-resolution, long-range sensing these vital applications demand.
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Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
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Lead time (days) |
5 |
7 |
15 |
To be negotiated |
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Selling Units |
Single item |
As one of the most professional narrow linewidth laser manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized narrow linewidth laser from our factory.
1550nm CWDM 14 PIN Laser Diode, narrow linewidth laser(0/10)
