Wholesale of longitudinal displacement type optical attenuators

Longitudinal displacement optical attenuators are available wholesale with high precision, multiple interface options, and industrial-grade reliability for telecom, data center, and laboratory applications.

Overview

Longitudinal displacement type optical attenuators are variable optical attenuators (VOAs) that adjust optical signal power by changing the relative position of fiber cores along the optical axis. This method allows precise control of attenuation while maintaining signal integrity, making them ideal for WDM systems, receiver protection, and laboratory testing . They are widely used in telecom networks, 5G base stations, data centers, and high-power laser diagnostics .

Wholesale Suppliers and Platforms

1. Global B2B Platforms Platforms like GLB Gate connect manufacturers and traders worldwide, offering fixed and variable optical attenuators, in-line attenuators, and custom ODM/OEM solutions. They support multilingual collaboration and bulk orders for telecom and lab applications .
2. Alibaba and Industrial Marketplaces Alibaba provides a wide range of wholesale optical attenuators, including longitudinal displacement types, with specifications such as attenuation ranges from 0–60 dB, ±0.1–0.2 dB precision, and SC/LC/FC interfaces. Many suppliers offer bulk discounts, fast shipping, and industrial-grade certifications .
3. 1688 Industrial Platform 1688 offers factory-direct sales of adjustable and fixed optical attenuators, supporting single-mode and multi-mode fibers, high return loss (>55 dB), and industrial-grade temperature stability. These attenuators are compatible with Huawei/ZTE equipment and suitable for 5G testing, data centers, and laboratory research .
4. FS.com FS provides fixed and variable fiber optic attenuators with stable attenuation (0–60 dB) for WDM transmission, suitable for high-precision applications in telecom and data centers .

Key Specifications to Consider

• Attenuation Range: 0–60 dB for variable attenuators; fixed attenuators typically 1–20 dB.
• Precision: ±0.1–0.2 dB for high-stability applications.
• Interfaces: SC, LC, FC; single-mode or multi-mode compatibility.
• Temperature Stability: Industrial-grade options suitable for high-temperature environments.
• Return Loss: High return loss (>55 dB) ensures minimal signal reflection.
• Bulk Purchase Options: Many suppliers provide sample orders, bulk discounts, and fast shipping.

Applications

• Telecom Networks: Signal power balancing, WDM channel equalization, and receiver protection.
• Data Centers: High-speed optical links, 5G infrastructure, and fiber testing.
• Laboratory Testing: BER testing, high-power laser attenuation, and optical experiments.
• Industrial Use: Carrier-grade optical networks and high-temperature environments.

Conclusion

For wholesale procurement of longitudinal displacement optical attenuators, platforms like GLB Gate, Alibaba, 1688, and FS.com offer a wide selection of high-precision, industrial-grade, and customizable attenuators. Buyers can select based on attenuation range, interface type, fiber mode, and application requirements, ensuring reliable performance for telecom, data center, and laboratory deployments .