GEZHI introduces a remarkable addition to its fiber optic product line - the PM Fused Coupler 1x2 (2x2). Available at center wavelengths of 525nm, 630nm, 780nm, 850nm, and 980nm, these couplers are designed to split or combine light signals between two fibers, making them an essential component for a wide range of applications.

The PM Fused Couplers offered by GEZHI are built with cutting-edge technology, making them stand out in the market. Here are the key features that set them apart:
High Extinction Ratio with PANDA Fiber: The PM Fused Couplers by GEZHI utilize PANDA fiber, ensuring a high extinction ratio for light incident along the slow axis of the fiber. This characteristic makes them ideal for applications requiring precise control of polarization.
Low Insertion Loss: These couplers are engineered to deliver low insertion loss, minimizing signal attenuation and preserving the integrity of transmitted light signals.
High Return Loss: GEZHI's PM Fused Couplers offer high return loss, contributing to signal fidelity and reducing reflections that may degrade performance.
Due to their exceptional performance and versatility, GEZHI's PM Fused Couplers find applications in various industries. Some of the key applications include:
Fiber Amplifiers: In fiber amplifiers, these couplers facilitate the distribution and management of optical signals, contributing to amplification efficiency.
Power Monitoring: The precise control and distribution of light signals make these couplers well-suited for power monitoring applications, ensuring accurate measurements.
Fiber Optical Instruments: Leveraging the high extinction ratio and low insertion loss, these couplers play a crucial role in various fiber optical instruments, optimizing their performance.
GEZHI's PM Fused Couplers are available in different configurations, each with specific specifications. Here are the key specifications of these couplers:
| Type: | Available in 1x2 or 2x2 configurations |
| Center Wavelength: | 525nm, 630nm, 780nm, 850nm, 980nm |
| Operating Wavelength Range: | ±10nm to ±20nm, depending on the center wavelength |
| Max. Excess Loss: | Ranging from 0.5dB to 1.2dB, depending on the center wavelength |
| Tap Coupling Ratio: | Available in various ratios: 1±0.5%, 5±1.0%, 10±2.0%, and 50% |
| Extinction Ratio: | 1x2: ≥20dB; 2x2: ≥18dB |
| Return Loss: | ≥55dB |
| Max Power Handling (CW): | Up to 3W, depending on the center wavelength |
| Tensile Load: | ≤5N |
| Operating Temperature: | -5°C to +75°C |
| Storage Temperature: | -40°C to +85°C |
Fiber optic communication has revolutionized the way we transmit data over long distances with incredible speed and reliability. It has become an indispensable technology in various industries, including telecommunications, data centers, healthcare, and more. As the demand for high-speed and large-capacity data transmission increases, the need for efficient and reliable fiber optic components also rises.
GEZHI's PM Fused Couplers have been designed and developed to cater to the ever-growing demand for high-performance fiber optic components. The unique characteristics of these couplers make them an ideal choice for a wide range of applications, ensuring seamless data transmission and superior performance.
In fiber optic communication systems, precise control of polarization is crucial to maintain signal integrity and reduce signal degradation. GEZHI's PM Fused Couplers, equipped with PANDA fiber, offer a high extinction ratio, ensuring that only light along the slow axis of the fiber is efficiently coupled. This feature makes these couplers ideal for applications requiring strict polarization control, such as coherent communications and interferometric sensing systems.
Insertion loss refers to the amount of signal power lost when passing through a component. High insertion loss can result in reduced signal strength and limit the transmission distance. With GEZHI's PM Fused Couplers, you can rest assured about minimal signal loss. These couplers are engineered to deliver low insertion loss, ensuring efficient signal transmission with minimal signal degradation.
Return loss is a measure of the amount of light reflected back from the component towards the source. High return loss can lead to signal distortion and affect signal fidelity. GEZHI's PM Fused Couplers are designed to provide high return loss, reducing reflections and maintaining signal integrity, thus improving signal quality and reliability.
Fiber amplifiers are essential components in modern fiber optic communication systems, providing a boost to optical signals without converting them into electrical signals. This enables longer transmission distances and higher data rates. GEZHI's PM Fused Couplers are used in fiber amplifiers to split or combine light signals between two fibers, facilitating efficient signal distribution and management. These couplers play a crucial role in optimizing the performance of fiber amplifiers, contributing to increased amplification efficiency and signal quality.
Accurate power monitoring is critical in various applications, including telecommunications, data centers, and industrial processes. GEZHI's PM Fused Couplers, with their ability to precisely control and distribute light signals, are well-suited for power monitoring applications. The couplers ensure that the light signals are efficiently distributed and measured, enabling accurate power measurements and helping to maintain optimal system performance.
Fiber optical instruments, such as optical spectrum analyzers and optical time-domain reflectometers, are essential tools for testing and characterizing fiber optic communication systems. These instruments rely on precise light manipulation and control for accurate measurements. GEZHI's PM Fused Couplers, with their high extinction ratio and low insertion loss, play a crucial role in optimizing the performance of fiber optical instruments, ensuring reliable and precise measurements.
Fiber optic communication systems often operate in challenging environmental conditions, where temperature fluctuations can impact performance. GEZHI's PM Fused Couplers are designed to withstand a wide operating temperature range, from -5°C to +75°C, ensuring reliable performance even in extreme conditions. Additionally, the couplers have a storage temperature range of -40°C to +85°C, providing enhanced durability and longevity.
GEZHI's PM Fused Couplers are a testament to the commitment to innovation and excellence in fiber optic technology. The remarkable features and outstanding specifications of these couplers make them the ideal choice for a wide range of applications, from fiber amplifiers to power monitoring and fiber optical instruments. With GEZHI's PM Fused Couplers, you can enhance your fiber optic communication systems, achieving unparalleled performance, precision, and reliability.
Upgrade your fiber optic systems with GEZHI's PM Fused Coupler 1x2 (2x2) and experience the next level of efficiency, performance, and connectivity in your optical networks.