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Kinematic/ Gimbal Mount Accessories

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Kinematic/Gimbal Mount Accessories




  • Allow Greater Mount Maneuverability in Optical Setups
  • Centering Plate Align Mirror Mounts Over Post Axis
  • Flip Mount Repositions a Mirror Mount Up to 90 Degrees

Features

  • Flip Mount Repositions an Optic Mount Out of a Beam Path
  • Fixed Centering Plates Align the Front Face of an Optic Held in Our Standard KM05(/M), KM100, or KM200 Kinematic Mount Over the Post Axis
  • Variable Centering Plate Aligns the Front Face of an Optic Held in a KM-Series Mount or KS1 Precision Mount Over the Post Axis
  • Fabricated from Black Anodized Aluminum

These kinematic/gimbal mount accessories are ideal for adding flexibility to an optical setup. A flip mount is offered for repositioning an optical mount up to 90° from its original position. The fixed centering adapters are designed to align the front face of an optic held in our KM05(/M), KM100, or KM200 Kinematic Mount over the center of a Ø1/2" or Ø1" post. Thorlabs also offers a variable centering plate for translating a kinematic mount between 0.46" (11.7 mm) and 0.79" (20.1 mm) from the center of the #8 (M4) counterbored hole used to post mount the plate.

 

Flip Mount

 

  • Rotates 90° to Clear Beam Path
  • Kinematic Design Ensures Repeatability
  • Post Mountable via 8-32 (M4) Tapped Hole

The FM90 is ideal for applications that require laser beams to be redirected for either diagnostic or beam sharing purposes. The hinged design allows an optical mount to be repositioned outside the beam path, and, when required, a simple flip of the mount relocates it back into its original position with a repeatability of 20 µrad.

The top surface of the mount is equipped with three 8-32 (M4) tapped holes as well as one #8 counterbored hole for inserting a cap screw from the underside of the mount. The base of the mount is counterbored for a 1/4" (M6) cap screw to attach the mount to a post or an optical table.

 

Fixed Centering Plates for Kinematic Mounts

 

  • Centers Mirror Face Over Post Rotation Axis for KM05(/M), KM100, or KM200 Standard Kinematic Mount
  • Constructed from a Single Piece of Black Anodized Aluminum

As most conventional mirror mounts utilize their back plates for mounting to a post, the front surface of the optic is typically offset from the center of the mounting post. These centering plates are designed to position the front face of an optic in the KM05(/M), KM100, or KM200 Kinematic Mount over the center of a Ø1/2" or Ø1" post. Centering the optical face reduces any off-axis shift of the optical path when rotating the mounting post.

The KCP1(/M) and KCP2(/M) are equipped with two 8-32 (M4) taps. Thread a Ø1/2" post into one end, and secure the kinematic mount to the centering plate using the other tap. Since our kinematic mounts for Ø1/2" optics are designed with an 8-32 (M4) tap instead of a #8 counterbore like their Ø1" and Ø2" counterparts, the centering plate [KCP2(/M)] for use with this mount provides one 8-32 (M4) tap and one #8 counterbore (see image to the right).

tem #MountingCompatible
Kinematic Mount
Optic Thickness
Needed for Centering
Total Length
of Centering Plate
Thickness
of Centering Plate
KCP05(/M) One 8-32 (M4) Tapped Hole,
One #8 Counterbored Hole
KM05 or
KM05/M
6 mm (0.24") 1.02" (25.9 mm) 0.25" (6.35 mm)
KCP1(/M) 8-32 (M4) Tapped Holes,
2 Places
KM100
KCP2(/M) 8-32 (M4) Tapped Holes,
2 Places
KM200 12 mm (0.47") 1.34" (34.0 mm)

 

 Variable Centering Plate for Kinematic Mounts

 

  • Positions Optical Face in Line with Post Rotation Axis
  • 8-32 (M4) Nut Attaches Kinematic Mounts
  • Positioning Range of 0.33" (8.4 mm)

As most conventional mirror mounts utilize their back plates for mounting to a post, the front surface of the optic is typically offset from the center of the mounting post. The KMCP Centering Plate utilizes an 8-32 (M4) nut embedded within a slotted counterbore to attach a kinematic mirror mount. The center of the nut translates between 0.46" (11.7 mm) and 0.79" (20.1 mm) from the center of the counterbored #8 (M4) hole used to post mount the centering plate. The mirror's front surface can be positioned over a range of 0.33" (8.4 mm), allowing the front surface of the mirror to be centered over the Ø1/2" mounting post. This reduces any off-axis shift of the optical path when rotating the mounting post. The KMCP can alternatively be used as an extension to insert a mount into a beam path when space limitations prevent using a post holder.

This centering plate is compatible with any KM-series mounts, the KS1 Precision Kinematic Mount, and all Ø1/2" Posts.

 

Kinematic Mounts with #8 (M4) Through Holes for MountingKinematic Mounts with Tapped 8-32 (M4) Mounting Holes
Use an 8-32 (M4) caphead screw to attach the mount to the KMCP using the sliding nut. The counterbored #8 (M4) through hole on the KMCP is then used to attach the KMCP to a post. Use an 8-32 (M4) caphead screw to attach the mount to the KMCP using the counterbored #8 (M4) through hole on the KMCP. The sliding nut is then used to attach the KMCP to a post.

 

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