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.
|
Model Number |
BLPW-2-D5320A-55BSA-2GR |
|
Brand Name |
Belycomm |
|
Mounting Type |
Unniversual type |
|
Description |
Coaxial laser diode |
|
Type |
Laser Diode |
|
Place of Origin |
Fujian, China |
|
Package Type |
Surface Mount |
|
Package / Case |
Surface Mount |
|
Operating Temperature |
-20~70℃ |
|
Series |
PWDM |
|
Supplier Type |
Original manufacturer, ODM, agency, retailer |
|
Media Available |
Datasheet, Photo |
|
Max. Reverse Voltage |
2V |
|
Max. Forward Current |
120mA |
|
Fiber type |
SM G657A2 |
|
Channel Number |
1*2 |
|
Transmission Wavelength |
1530nm |
|
Receiver Wavelength |
1550nm |
|
Connector |
SC/APC |
|
Power |
2mW |

Key Features of Laser Diode with TEC
Energy Efficiency
Laser diodes consume less power while offering high efficiency compared to other light sources.
Directional Emission
They emit highly directional light with greater spatial brightness, avoiding the droop phenomenon seen in LEDs.
Precision and Stability
Their narrow linewidth and high stability make them ideal for precision tasks like atomic clocks and quantum computing.
Customizable Wavelengths
Laser diodes can be tuned for various wavelengths, enhancing their versatility across different applications.
Reliability
Designed for durability, they perform reliably in challenging environments, including space-based systems.
Optimized Beam Quality
Beam divergence is manageable, enabling high brightness critical for optical fiber coupling and industrial tasks.
Structural Flexibility
Available in edge-emitting, surface-emitting, and external-cavity designs, they cater to diverse power and efficiency needs.

Electron-Hole Recombination
Applying a forward bias across the p-n junction drives electrons from the n-side and holes from the p-side into the intrinsic region. Here, they recombine and release energy as photons, initiating the light emission process.

Stimulated Emission
The photons generated in the active region interact with other electron-hole pairs. This interaction triggers the emission of additional photons with the same frequency and phase, resulting in a coherent light output.

Cavity Resonance
The diode’s cavity region, often formed by its end facets, provides feedback to the emitted light. This feedback allows the light to oscillate at specific wavelengths, producing a focused and consistent laser beam.

Threshold Condition
Below a specific current level, the gain cannot overcome losses, and light output remains negligible. However, once the current surpasses this threshold, the laser’s output power increases dramatically.
Butterfly Package
Named after its distinctive shape, which resembles a butterfly, the compact and low-cost package typically consists of a metal housing that provides mechanical support and cooling for the laser diode.
TO Can Package
A cylindrical package that provides good thermal performance and a high level of mechanical stability.
TOSA Package
A transmitter optical sub-assembly is used to convert signal into an optical signal coupled into an optical fiber cable.
ROSA Package
A receiver optical sub-assembly receives an optical signal from a fiber and converts it back into an electrical signal.
BOSA Package
A bi-directional optical sub-assembly consists of both a TOSA and ROSA.
Pigtailed Package
Provides a simple and straightforward optical connection, the package consists of a laser diode that is mounted onto a package with an optical fiber pigtailed.
Multi-Source Agreement (MSA) Package
Designed to provide compatibility between different components and systems, making it easier to integrate laser diodes into a telecom network.
Applications of Laser Diode with TEC
Electronic Devices
Used in DVD players, CD players, and printers for reading and writing data on optical discs and ensuring high-resolution printing.
Industries
High-power laser diodes are used for cutting, drilling, and welding in manufacturing and automotive industries, offering precision and power.
Medical Equipment
Used in non-invasive treatments for precision and minimal recovery time, including dental treatments and soft tissue procedures.
|
Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
|
Lead time (days) |
16 |
17 |
20 |
To be negotiated |
|
Selling Units |
Single item |
|
Single package size |
29X22.5X5.5 cm |
|
Single gross weight |
1.000 KG |


As one of the most professional laser diode with tec manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized laser diode with tec from our factory.
2 5G 1530nm TEC DFB LD Laser, 2 5G 1610nm TEC DFB LD Laser, laser diode with tec