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Home > Products > Manual Positioning > Manual Fiber Alignment Stages > Fiber Optic Positioners

Fiber Optic Positioners
Fiber Optic Positioners

  • Three or five degrees of precision positioning for bare, connectorized, or polarization-preserving fibers
  • High-resolution, 100 TPI XYθXθY adjustment screws, 80 TPI Z-adjustment
  • Large diameter knobs with integral hex hole for increased sensitivity
  • Non-influencing locks to maintain stable alignment
  • Wide assortment of interchangeable fiber holders

Product Description Product Detail Specifications Drawings Catalog PDF 3-D Model
Product Description
FP Series Fiber Optic Positioners provide three or five degrees of precision positioning for bare, connectorized, or polarization-preserving fibers. Smooth adjustment with increased sensitivity are enabled by high-resolution 100 TPI adjustment screws and large diameter knobs with an integral hex hole.
Bare fibers are positioned using FP-1A or FP-2A. Models FPR-1A and FPR-2A add rotation about the fiber axis for aligning bare polarization-preserving fibers. Connectorized standard or polarization-preserving fibers are positioned with FPR1-C1A or FPR2-C1A. Fibers are aligned in three axes (XYZ) using FP-1A, FPR-1A, or FPR1-C1A, and in five axes (XYZθXθY) using FP-2A, FPR-2A, or FPR2-C1A. Axial Z motion is accomplished without rotation of the fiber by a knurled knob with a precision 80 TPI thread.
Models FP-1A, FP-2A, FPR-1A, and FPR-2A include a position lock for the XY axes. FPR1-C1A and FPR2-C1A incorporate our new zero-freeplay XY mechanism ensuring accurate positioning and enhanced long-term stability, reducing drift over both time and temperature. Independent locks for each axis of translation and rotation securely lock the mechanism, not just the actuator screws, maintaining stable alignment. Engaging or disengaging each lock on these models has negligible influence on the other axes.


Fiber chucks must be ordered separately.

Ordering Information
 Quantity Model Description Price
   For bare fibers
  FP-1A(1) Fiber Optic Positioner, XYZ, Bare Fiber, For FPH-S, FPH-J, or FPH-DJ, 25.4mm Optical Axis 
  FP-2A(1) Fiber Optic Positioner, XYZθXθY, Bare Fiber, For FPH-S, FPH-J, or FPH-DJ, 25.4mm Optical Axis 
   For bare polarization-preserving fibers
  FPR-1A(1) Fiber Optic Positioner, XYZθZ, Bare Fiber, For FPH-S, FPH-J, or FPH-DJ, 25.4mm Optical Axis 
  FPR-2A(1) Fiber Optic Positioner, XYZθXθYθZ, Bare Fiber, For FPH-S, FPH-J, or FPH-DJ, 25.4mm Optical Axis 
   For connectorized fibers
  FPR1-C1A(2) Fiber Optic Positioner, XYZθZ, Connectorized Fiber, For FPH-CA Series, 25.4mm Optical Axis 
  FPR2-C1A(2) Fiber Optic Positioner, XYZθXθYθZ, Connectorized Fiber, For FPH-CA Series, 25.4mm Optical Axis 

1) An FPH-S, FPH-S-2.5, FPH-J, or FPH-DJ Bare Fiber Chuck must be ordered separately (see Fiber Chucks and Holders).
2) An FPH-CA Series Connectorized Fiber Chuck must be ordered separately (see Fiber Chucks and Holders).
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