BUTT-MAN is designed to allow two bare fibers to be coupled quickly and easily without the need for splicing in applications such as OTDR testing. Typical losses are 0.8 dB (0.3 dB best).
Each fiber is gripped in the outer thumb-loaded clamps. The left hand clamp moves smoothly along the X-axis moving the fiber along the V-groove into contact with the fixed fiber. This movement can be clamped if required. Index matching gel can be used in the V-groove to improve the coupling efficiency.
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