Shenzhen Puhuixin Tecnhnology Co., Ltd.


FWDM Coupler (filter wavelength division multiplexing) filter chip wavelength division multiplexer is based on mature membrane filter technology. Filter type wavelength division multiplexer can combine or separate light of different wavelengths in a wide wavelength range. 

It is widely used in erbium-doped optical amplifier, Raman amplifier and WDM fiber network.

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Features of FWDM Coupler

Features of FWDM Coupler

Wide Operating Wavelength Range and Low Insertion Loss
Ultra Flat Wide Pass band and High Channel Isolation
Utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging

Advantages of FWDM Coupler

Lower insertion loss and high return loss
High isolation, high extinction ratio
High stability and reliability

Fiber Optic Solutions We Serve

PHX FIBER products are widely applied in fiber optical communication systems, fiber optic sensors, CATV, fiber lasers and other fiber optical instruments, etc.
Optical sensing is the key technology of self-driving because a self-driving car relies on a sensor system to perceive and navigate its surrounding environment accurately to ensure safety.
Optical technology in Autonomous Vehicles
Application of fiber optic passive components enable the engineering implementation of full fiber network to realize, and improve the performance of optical communication system.
Optical Fiber Used in Optical Communication System
Passive Optical LAN is of higher Efficiency, Security and energy conservation, but lower cost.
Optical Fiber Used In Local Area Networks
Connection, distribution, isolation and filtration of optical fiber passive components play important parts in CATV system.
Optical Fiber Used In CATV Systems
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