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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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Type |
Fiber Opitc Adapter |
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Model Number |
1550 In-Line Isolator |
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Place Of Origin |
Fujian, China |
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Brand Name |
Belycomm |
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Power - Minimum Receivable |
Customized |
Signal protection
Isolators block pesky back-reflections, preserving signal quality.
01
Equipment safety
They shield sensitive components from potentially damaging reflected light.
02
Improved performance
By reducing interference, isolators boost overall system efficiency.
03
Stability enhancement
In laser systems, they maintain consistent output power.
04
Noise reduction
Isolators minimize unwanted noise, resulting in clearer signals.
05
The three main components of the isolators are an input polarizer, a Faraday rotator that incorporates a magnet, and an output polarizer. Only linearly polarized light can pass through the input polarizer and enter the Faraday rotator. The Faraday rotator's function involves rotating the incoming light at a specific angle before its arrival at the output polarizer. This enables unobstructed passage of light in the forward direction, while the light in the reverse direction is either absorbed or reflected and cannot pass through the optical isolator. The collaborative function of these three components ensures the smooth transmission of light signals.
Types of Isolator
Polarized Optical Isolator
A polarized optical isolator makes use of the polarization axis to ensure that light travels in a single direction. This device permits light to propagate in a forward direction without any prohibition, while effectively blocking any light from travelling in the opposite direction. There exist two types of polarized optical isolators: dependent and independent.
Composite Optical Isolator
The composite optical isolator is a type of independent polarized optical isolator that is employed in EDFA optical amplifiers, which incorporate several other components such as erbium-doped fiber, wavelength-division multiplexer, and pumping diode laser, among others. Due to the presence of numerous components in the EDFA module, this type of isolator is referred to as a composite optical isolator.
Magnetic Optical Isolator
The magnetic optical isolator is a type of polarized optical isolator but with a focus on the magnetic component of the Faraday rotator. The Faraday rotator, which is typically a rod made of a magnetic crystal under a strong magnetic field that exhibits the Faraday effect, plays a crucial role in this type of isolator.
The isolator contains a Faraday rotator, an input polarizer, and an output polarizer. The isolator has two operating modes, namely the forward mode and the backward mode, which are classified based on the direction of light.
During the forward mode, the light is first polarized linearly upon entering the input polarizer. As the light beam approaches the Faraday rotator, the rod of the rotator undergoes a 45° rotation, which causes the light to exit the output polarizer at a 45° angle. Similarly, in the backward mode, the light initially enters the output polarizer at a 45° angle. As it passes through the Faraday rotator, it rotates an additional 45° in the same direction. Then, the 90° polarization light turns vertically towards the input polarizer and cannot leave the isolator, leading to either absorption or reflection of the light beam.
Isolators have several applications in optical communication systems, especially in high-speed fiber optic networks. They are used to prevent reflections and feedback from reaching the source, which can cause signal degradation and instability.
Isolators are used in various other applications beyond optical communication systems. In industries, they can be used to protect laser diodes and other optical components from back-reflections, while in laboratories they are used in experiments that involve sensitive optical measurements.
They are also used in corporate settings for fiber optic sensing, testing, and measurement applications. Isolators are utilized in fiber optic sensing systems for detecting temperature, pressure, strain, and vibration changes.
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Quantity (pieces) |
1 - 10 |
11 - 100 |
101 - 1000 |
> 1000 |
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Lead time (days) |
8 |
30 |
40 |
To be negotiated |
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Selling Units |
Single item |
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Single Package Size |
20X15X5 cm |
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Single Gross Weight |
1.000 KG |
As one of the most professional isolator manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized isolator from our factory.
In line Isolator, isolator(0/10)
