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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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Field |
Content |
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Model Number |
BLLD-PN5-90550KF-R-L |
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Brand Name |
Belycomm |
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Mounting Type |
Unniversual Type |
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Description |
Coaxial Fiber Pulse Laser |
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Type |
Laser Diode |
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Place Of Origin |
Fujian, China |
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Package Type |
Surface Mount |
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Package / Case |
Surface Mount |
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Operating Temperature |
-40~+105℃ |
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Series |
900-1190nm Laser Diode |
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Application |
Medical Applications |
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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 |
Customized |
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Max. Reverse Voltage |
50V |
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Max. Forward Current |
25A |
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Max. Reverse Current |
Customized |
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Diode Type |
Customized |
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Technology |
Customized |
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Voltage - Peak Reverse (Max) |
Customized |
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Current - Average Rectified (Io) |
Customized |
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Voltage - Forward (Vf) (Max) @ If |
Customized |
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Current - Reverse Leakage @ Vr |
Customized |
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Diode Configuration |
Customized |
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Voltage - DC Reverse (Vr) (Max) |
Customized |
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Current - Average Rectified (Io) (Per Diode) |
Customized |
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Speed |
Customized |
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Reverse Recovery Time (Trr) |
Customized |
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Capacitance @ Vr, F |
Customized |
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Current - Max |
Customized |
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Resistance @ If, F |
Customized |
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Power Dissipation (Max) |
Customized |
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Capacitance Ratio |
Customized |
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Capacitance Ratio Condition |
Customized |
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Q @ Vr, F |
Customized |
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Configuration |
Customized |
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Voltage - Zener (Nom) (Vz) |
Customized |
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Tolerance |
Customized |
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Power - Max |
Customized |
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Impedance (Max) (Zzt) |
Customized |
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Junction Temperature |
<125℃ |
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Pulse Width (FWHM) |
<100ns |
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Duty Cycle |
0.10% |
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Fiber Bend Radius |
>15mm |
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Center Wavelength |
905~908nm |
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Spectral Width |
7nm |
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Power |
50W |
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Fiber Type |
Bare Fiber |
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Brand |
Belycomm |
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Connector |
None |
Better Frequency Response
Pigitial photodiodes can respond quickly to changes in light intensity, making them suitable for high-speed applications.
Linearity
The output current of a pigitial photodiode is linearly proportional to the input light intensity over a wide range.
Low Noise
Compared to other photodetectors, pigitial photodiodes generate less noise, resulting in cleaner signals.
Variable Resistance
Can be used as a variable resistance device, where resistance changes based on the light it receives.
High Light Sensitivity
Pigitial photodiodes are very sensitive to light, making them suitable for low-light applications.
Fast Switching Speed
The switching speed between high and low current/resistance values is very rapid.
● Silicon (Si): Low dark current, high speed, good sensitivity between roughly 400 and 1000 nm (best around 800–900 nm).
● Gallium arsenide (GaAs): Suitable for visible light to near infrared, e.g. 400 to 870 nm; can be made very fast (but less sensitive) with low temperature growth, neutron irradiation or ion implantation for carrier lifetimes well below 1 ps.
● Germanium (Ge): High dark current, slow speed due to large parasitic capacity, good sensitivity between roughly 900 and 1600 nm (best around 1400–1500 nm).
● Germanium-on-silicon diodes, however, can be extremely fast (>100 GHz).
● Indium gallium arsenide phosphide (InGaAsP): Expensive, low dark current, high speed, good sensitivity roughly between 1000 and 1350 nm (best around 1100–1300 nm, often engineered for 1.3 μm).
● Indium gallium arsenide (InGaAs): Expensive (particularly for large active areas), low dark current, high speed, good sensitivity roughly between 900 and 1700 nm (best around 1300–1600 nm).
Fiber-optic receivers in optical fiber communications use high-speed p–i–n and avalanche pigitial photodiodes (APDs) to detect modulated light, typically at 850 nm, 1310 nm or 1550 nm.
Optical power meters use pigitial photodiodes to provide a calibrated current proportional to optical power. One achieves much higher sensitivity than with thermal detectors, but the wavelength dependence of the responsivity can be a problem.
Spectroscopy uses broadband pigitial photodiodes in absorption or fluorescence measurements.
Position-sensitive detectors (quadrant or lateral-effect photodiodes) measure beam displacement with micrometer precision. This is used in alignment systems and scanning probe microscopes.
Laser rangefinders / LiDAR devices require fast response and high sensitivity for distance measurements with lasers.
Pigitial photodiode arrays / image sensors can contain millions of tiny photodiodes for imaging purposes.
Medical imaging uses X-ray detectors with scintillators that convert X-rays into visible light, which is then detected by pigitial photodiodes.
Scientific cameras also use pigitial photodiode arrays or hybrid sensors (e.g., avalanche photodiode arrays for single-photon detection).
Laser diode monitoring is often done with small pigitial photodiodes integrated inside laser packages.
Automatic brightness control in displays, lighting systems, and smartphones also requires monitor pigitial photodiodes.
Optical encoders measure rotation angle or speed (robotics, industrial automation) with pigitial photodiodes which detect the transmission/reflection of patterned disks.
Luminance and irradiance meters and other devices in radiometry and photometry use pigitial photodiodes calibrated with known spectral response.
High-speed pigitial photodiodes are needed in time-domain reflectometry, ultrafast laser diagnostics and sampling oscilloscopes.
Remote controls / IR receivers for TV and other consumer devices use PIN photodiodes to detect modulated infrared light from remote controls.
Smoke detectors sense scattered light from particles in the air. CD/DVD/Blu-ray players have pigitial photodiodes to read the intensity of reflected laser light to decode stored data.
Avalanche pigitial photodiodes in Geiger mode are used as single-photon detectors in quantum photonics.
Arrays of single-photon detectors enable quantum imaging, low-light astronomy, and fluorescence lifetime microscopy.
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Safety Tip |
Explanation |
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Avoid Excessive Light Exposure |
Intense light or lasers can stress the sensor or cause saturation, so keep it within its recommended light limits. |
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Prevent Electrostatic Damage |
Use grounding straps or antistatic mats because static discharge can harm the internal structure. |
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Handle Leads Carefully |
Avoid bending or pulling the pins; hold the device by its body to protect the connections. |
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Follow Proper Soldering Practices |
Apply controlled heat and limit contact time to prevent performance issues from excessive soldering temperature. |
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Protect The Active Area |
The sensitive surface can scratch easily, so avoid touching it and keep it free from dust or debris. |
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Store In a Dry, Clean Space |
Moisture and dust can lower sensitivity or cause corrosion; sealed antistatic bags offer good protection. |
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Check Voltage Limits |
Make sure the applied reverse voltage stays within safe ratings to avoid permanent junction damage. |
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Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
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Lead time (days) |
16 |
17 |
20 |
To be negotiated |
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Selling Units |
Single item |
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Single Package Size |
29X22.5X5.5 cm |
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Single Gross Weight |
2.000 KG |
As one of the most professional pigitial photodiode manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized pigitial photodiode from our factory.
Photodiode with Bare Fiber, pigitial photodiode, Pigtailed Photodiode with FC Connector(0/10)
