FA Series
A fiber array (FA) is a fiber assembly consisting of multiple optical fibers arranged at a specific pitch (typically 127 μm or 250 μm) and precisely fixed to a V-Groove substrate. Our process capabilities allow us to process FAs with 2, 4, 8, 12, 16, 32, and 36 channels.
Description
A fiber array (FA) is a fiber assembly consisting of multiple optical fibers arranged at a specific pitch (typically 127 μm or 250 μm) and precisely fixed to a V-Groove substrate. We have the capability to process 2-, 4-, 8-, 12-, 16-, 32-, and 36-channel FAs. Material and process requirements are as follows:
V-Groove Substrate:
Usually a quartz or silicon substrate is used, with V-grooves formed by precision etching.
The width and depth of each groove must match the outer diameter of the optical fiber (typically 125 μm).
Fiber:
Standard single-mode fiber (SMF-28, etc.) or polarization-maintaining fiber (PMF).
Depending on the application requirements, pigtails or patch cables may be required.
Fixing and Gluing:
After placing the optical fiber into the V-groove, it is secured with low-shrinkage, low-stress UV adhesive or epoxy adhesive.
The gluing process is critical and affects loss and reliability.
End-face Treatment:
The fiber array end faces are ground and polished (PC, UPC, or APC end faces).
Ensure low insertion loss and reflection loss.
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