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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 |
Content |
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Model Number |
BLPD-P |
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Brand Name |
Belycomm |
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Mounting Type |
Plug in |
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Description |
InGaAs 1310nm pin diode |
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Type |
PHOTODIODE |
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Place of Origin |
Fujian, China |
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Package Type |
Through Hole |
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Package / Case |
Coaxial |
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Operating Temperature |
-20 to +70 |
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Application |
CATV |
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Supplier Type |
Original manufacturer, ODM, agency, retailer |
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Media Available |
Datasheet, Photo |
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Max. Forward Voltage |
0.8V |
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Max. Reverse Voltage |
15V |
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Max. Forward Current |
20mA |
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Max. Reverse Current |
0.5mA |
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Product name |
InGaAs 1310nm photodiode |
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Brand |
Belycomm |
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Active area |
75um |
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Fiber type |
SM G625 |
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Wavelength |
1100-1700nm |
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Power |
10mW |
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Current |
10mA |
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Application |
CATV |
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Application 2 |
Optical receiver |
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Lead Time |
7 days |
● 7 Pin butterfly package
● Single-mode fiber pigtail and FC/APC optical connector
● Built in TEC, thermistor and monitor photodiode (MPD)
● Matched to 50Ω
● High linearity DFB laser, CWDM and DWDM
● Direct modulation
The Basic Principle Of 7-PIN Laser
7-PIN laser is a semiconductor device that generates coherent light through stimulated emission. Three fundamental conditions must be satisfied to produce laser radiation:
Population inversion
Creating a state where more charge carriers exist in the excited state than in the ground state.
Threshold conditions
Achieving sufficient gain to overcome optical losses in the cavity
Optical resonance
Establishing a resonant cavity that provides positive feedback for specific wavelengths.
7-PIN laser is a semiconductor device that generates coherent light through stimulated emission. Three fundamental conditions must be satisfied to produce laser radiation:
Population inversion: Creating a state where more charge carriers exist in the excited state than in the ground state.
Threshold conditions: Achieving sufficient gain to overcome optical losses in the cavity
Optical resonance: Establishing a resonant cavity that provides positive feedback for specific wavelengths.
Internal Structure of 7-PIN Laser
Laser emission section (LD)
The primary PN junction structure that generates coherent laser radiation. In 7-pin packages, this corresponds to the laser diode electrode (typically pin 2)
Monitor photodiode section (PD)
An integrated photodetector positioned to receive a portion of the rear-emitted laser light. This provides feedback for automatic power control circuits, ensuring stable output despite temperature variations and aging. This corresponds to the monitor photodiode electrode (typically pin 3)
Performance of 7-PIN Laser
7-PIN lasers incorporate a layer of photoactive semiconductor material between the junction regions. The end surfaces are precision-cleaved or polished and coated with appropriate reflective layers to form an optical resonant cavity. When forward-biased, the junction emits light that interacts with the optical resonator, selectively amplifying specific wavelengths through constructive interference.
Contemporary laser diodes used in applications such as optical storage, telecommunications, and industrial systems typically employ ternary compounds like aluminum gallium arsenide (AlGaAs) or more complex quaternary materials such as indium gallium arsenide phosphide (InGaAsP). These materials feature double heterostructure or multiple quantum well designs that confine both carriers and photons to the active region, dramatically improving efficiency.
Telecommunications & Data
High-speed optical communication, fiber optic sensors, and coherent detection systems, often using integrated EAMs for fast modulation (40Gb/s+).
01
Medical & Biomedical
Hair removal, dental surgery, dermatology, pain management, and diagnostic imaging, benefiting from precise power and wavelength control.
02
Sensing & Metrology
Trace gas detection (TDLAS), remote sensing, and environmental monitoring, utilizing narrow linewidths and stability.
03
Scientific Research
Seed lasers for high-power fiber lasers, spectroscopy, and fundamental physics experiments, demanding stable single-mode operation and precise pulsing.
04
Industrial
Pumping solid-state lasers, precise alignment, imaging, and specific material processing.
05
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Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
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Lead time (days) |
5 |
6 |
10 |
To be negotiated |
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Selling Units |
Single item |
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Single Package Size |
30X24X5 cm |
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SSingle Gross Weight |
0.005 KG |
As one of the most professional 7-pin laser manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized 7-pin laser from our factory.
1310 1550 7 PIN Laser Diode, 7 pin laser(0/10)
