Polarization Maintaining 4x4 FBT Coupler 1550nm Fiber Splitter Module High Stability for Power Monitoring Fiber Sensor & Optical Instrument

4x4 Filter PM FBT Coupler

1. Features

Ø Low Insertion Loss

Ø Low Extinction Ratio

Ø Available for Slow Only or Fast Axis App

Ø High Stability and Reliability

2. Applications

Ø EDFA

Ø Fiber Optical Instrument

Ø Coherent Communication

Ø Power Monitoring

Ø Fiber Sensor

3. Specifications

With connectors, the handling power is 50mW only, IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB lower.

Connector key is aligned to slow axis.

4.Package Dimensions

5. Ordering information

FAQ

1. What specifications can be customized?

Customizable port structure, operating wavelength, splitting ratio, module type, fiber type, fiber length, sheath specifications, and connector type. The ordering information on the page shows selectable wavelengths such as 1310nm, 1550nm, 980nm, 1064nm, and 780nm, as well as connectors such as FC/UPC, FC/APC, SC/UPC, SC/APC, LC/UPC, and LC/APC; the connector key is aligned to the slow axis by default.

2. How do you ensure quality and batch consistency before shipment?

Gracyfiber is an engineering-driven passive optical component manufacturer, founded in 2014. The team has over 25 years of industry experience and a manufacturing facility of over 2,000㎡, focusing on PM components, WDM solutions, fiber arrays, and precision photonic components. The product page indicates ISO9001 and RoHS certifications, with an MOQ of 1 piece and a monthly supply capacity of 100,000 pieces. Before shipment, tests can be performed on insertion loss, additional loss, splitting ratio, extinction ratio, return loss, directivity, axial alignment, connector quality, and appearance. Sample verification and bulk delivery are supported.