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Kinematic Platform Mounts


  • Mounts for Prisms, Fixed Optic Mounts, or Cube Beamsplitters
  • Mount Specifically Designed for Thorlabs' Wavefront Sensors
  • Vertical or Horizontal Mounting Surfaces

TPA01

8-32 (M4)
Mounting Holes

KM100B

6-32 (M4)
Mounting Holes

KM100PM 

Shown in the Right-Handed
Configuration with a
PM3 Clamping Arm
and PS610 Prism

Application Idea

KM100WFS

#8 and M3 Through Holes for Mounting Wavefront Sensors

Related Items

KM200x Body
Click for Details

KM200B with Mounting Plate Removed
KM100x Body
Click for Details

KM100B, KM100PM, or KM100WFS with Mounting Plate Removed

Features

  • Kinematic Vertical or Horizontal Mounting Surfaces
  • Mounts for Prisms, Non-Standard Optics, Fixed Optic Mounts and Wavefront Sensors
  • ±3° or ±4° of Tip and/or Tilt Adjustment
  • Platform Tap Options
    • KM100B or KM100PM: 6-32 (M4) Taps for Locating Clamping Arms (Sold Below)
    • KM200B: 1/4"-20 (M6) & 6-32 (M4) Taps and #8 Through Holes
    • KM100WFS: #8 and M3 Through Holes for Mounting Wavefront Sensors
    • TPA01: 8-32 (M4) Taps and #8 Through Holes
  • #8 (M4) Through Holes in Back Plate of Two-Adjuster Mounts for Ø1/2" Post Mounting
  • Fabricated from Black Anodized Aluminum

Thorlabs' Kinematic Platform Mounts provide a flat mounting surface with kinematic knobs for controlling tip and tilt. The back plate of each two-adjsuter mount has #8 (M4) through holes for mounting to a Ø1/2" Post. The fixed optic mount kinematic adapter has 8-32 (M4) taps for horizontal and vertical post mounting.

The KM100B(/M) and KM200B(/M) Kinematic Platform Mounts include a mounting plate that lies perpendicular to the tip and tilt fine adjusters. For the KM100B(/M), this mounting plate features five 6-32 (M4) taps for Clamping Arms (sold below), which use a nylon-tipped setscrew to hold optics against the flat surface. The KM200B(/M) has a mounting plate with four 6-32 (M4) taps, five 1/4"-20 (M6) taps, and four #8 (M4) clearance holes. Both the KM100B(/M) and KM200B(/M) have #8 (M4) counterbores on three surfaces, positioned so that the mounts can be attached to a Ø1/2" post with the top plate oriented horizontally or vertically with the adjusters in a left- or right-handed configuration.

The KM100PM(/M) Kinematic Prism Mount's mounting plate is parallel to the fine adjusters and features eight 6-32 (M4) taps that accept clamping arms. The KM100WFS Kinematic Mount has a similar design to our KM100PM(/M) mount, but includes a modified mounting platform with #8 and M3 through holes for our CCD-Based and High-Speed CMOS-Based Shack-Hartmann Wavefront Sensors. Both the KM100PM(/M) and KM100WFS have a removable two-piece mounting platform assembly that can be secured to either arm of the front plate using two 4-40 screws (3/32" hex), allowing for a left- or right-handed kinematic mount.

The mounting plates on all of these kinematic mounts are held in with 4-40 cap screws, and can be removed and replaced with custom-made plates. See the drawings to the upper right for information on dimensions. The 1/4"-80 adjusters can be locked in place using our LN2580 Bronze Locking Nut (sold separately) once the final position is reached.

The TPA01(/M) Pitch-Adjustable Kinematic Adapter has two 8-32 (M4) tapped holes for post mounting vertically or horizontally and through holes for attaching fixed optic mounts. Unlike the other items on this page, it only has one direction of adjustment with a range of ±4°.

Documents Tab to be Discontinued...
Please note that this tab will be removed at the end of 2015. The same information displayed here can be found by clicking on the red Docs Icon (Support Documentation icon) next to the item of interest in the pricing area below.
Click the Support Documentation icon document icon or Part Number below to view the available support documentation
Part NumberProduct Description
KM100B Support Documentation KM100B:2" x 2" Kinematic Platform Mount
KM100B/M Support Documentation KM100B/M:52 mm x 52 mm Kinematic Platform Mount
KM100PM Support Documentation KM100PM:Kinematic Prism Mount, Eight 6-32 Taps
KM100PM/M Support Documentation KM100PM/M:Kinematic Prism Mount, Eight M4 Taps
KM100WFS Support Documentation KM100WFS:Kinematic Mount for Thorlabs' Wavefront Sensors
KM200B Support Documentation KM200B:3" x 3" Kinematic Platform Mount
KM200B/M Support Documentation KM200B/M:77 mm x 77 mm Kinematic Platform Mount
PM3 Support Documentation PM3:Small Adjustable Clamping Arm, 6-32 Threaded Post
PM3/M Support Documentation PM3/M:Small Adjustable Clamping Arm, M4 Threaded Post
Part NumberProduct Description
PM3SP Support Documentation PM3SP:Extension Post for PM3 Clamping Arm, 6-32 Threaded
PM3SP/M Support Documentation PM3SP/M:Extension Post for PM3/M Clamping Arm, M4 Threaded
PM4 Support Documentation PM4:Large Adjustable Clamping Arm, 6-32 Threaded Post
PM4/M Support Documentation PM4/M:Large Adjustable Clamping Arm, M4 Threaded Post
PM4SP Support Documentation PM4SP:Extension Post for PM4 Clamping Arm, 6-32 Threaded
PM4SP/M Support Documentation PM4SP/M:Extension Post for PM4/M Clamping Arm, M4 Threaded
TPA01 Support Documentation TPA01:Pitch-Adjustable Kinematic Adapter
TPA01/M Support Documentation TPA01/M:Pitch-Adjustable Kinematic Adapter, Metric

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Posted Comments:
Poster:jlow
Posted Date:2014-11-18 09:26:16.0
Response from Jeremy at Thorlabs: We will contact you directly for a quote.
Poster:aurelie.jost
Posted Date:2014-11-18 12:47:38.383
Hello, I would like to know if it is possible to purchase the KM200B/M without mounting plate. Also, the screws that hold the mounting plate to the rest of the component seem to be imperial (4-40): is it possible to replace with metric screws? Many thanks for your advice.
Poster:jjurado
Posted Date:2011-06-14 10:28:00.0
Response from Javier at Thorlabs to last poster: Thank you very much for your feedback. We round the metric units in our reference pdf drawings to the nearest mm in order to maintain the presentation a bit cleaner. However, I will discuss your suggestion with our mechanics design engineers so that perhaps a change is implemented in the future. Please contact us at techsupport@thorlabs.com if you have any further questions or comments.
Poster:
Posted Date:2011-05-26 10:32:39.0
KM200B/M AutoCAD PDF rounds the metric dimensions to the nearest mm (two significant digits), while the SW file shows the correct dimensions in inches (with three significant digits). It makes sense to retain the same number of significant digits when converting to/from metric.
Poster:bdada
Posted Date:2011-04-13 16:05:00.0
Response from Buki at Thorlabs: We can offer a shorter spring assembly for this particular application on a custom basis. This would be comparable to offering a spring with a higher spring constant. We have contacted you directly to discuss this option.
Poster:gisi
Posted Date:2011-04-13 14:46:06.0
Hi We also have the problem, that the springs are not strong enough. Do you have stronger springs available?
Poster:tor
Posted Date:2010-11-23 08:53:15.0
A response from Tor at Thorlabs to Will: The KM100B is designed to mount standard 1” optics. I will contact you directly for more details in order to identify a more suitable solution for your application.
Poster:wgrigsby
Posted Date:2010-11-22 23:35:27.0
We currently have this mount, but the springs are not strong enough to support my attached optic. Do you have stiffer springs available? If not, can you let me know the specifications (length, diam, wire size, etc) of the springs that are currently used so that I can order stiffer springs elsewhere? Thank you for your help. -Will
Poster:Greg
Posted Date:2010-03-23 09:56:41.0
A web update from Greg at Thorlabs in response to Blairs question: I have added dimensioned drawings of the KM100x and KM200x to this web page. These drawings show the location and threading of the holes used to connect the mounting platforms to the kinematic mount.
Poster:apalmentieri
Posted Date:2010-03-02 09:38:36.0
A response from Adam at Thorlabs to Blair: The four screws used for mounting the plate to the kinematic platform are #4-40 screws. It sounds like you already have a custom adapter plate, but if you need this manufactured please let us know as we do custom manufacturing as well. I will contact you directly to get more information.
Poster:blair
Posted Date:2010-03-02 05:07:58.0
I plan on using this mount but removing the plate and adding my own custom adapter plate. What four screws do you use for mounting the plate to kinematic movement? Are they #4-40 or are they M3? Thanks, Blair

Kinematic Platform Mounts

KM200B Kinematic Platform Mount
Click to Enlarge

KM200B Mounted on Ø1/2" Post Using an 8-32 Cap Screw
  • Two 80 TPI Adjusters for Fine Tip and Tilt Control
  • Orient Horizontally or Vertically
  • Designed for Use with Clamping Arms (Sold Below)
  • Removable Knobs Expose Adjuster Screws with Hex Socket

Thorlabs' KM100B(/M) and KM200B(/M) Kinematic Platform Mounts provide kinematic control for prisms and non-standard optics. Each contains several 6-32 (M4) tapped holes for mounting our PM3(/M) or PM4(/M) Clamping Arms (sold below). The design used in the KM100B(/M) and KM200B(/M) offers an unobstructed path from any direction by positioning the knobs below the mounting plane, as shown in the photo to the right.

The KM100B(/M) is a 2" x 2" (52 mm x 52 mm) mount with ±4° of tip and tilt control, while the KM200B(/M) is a 3" x 3" (77 mm x 77 mm) mount with ±3° of tip and tilt control. The KM200B(/M) additionally contains five 1/4"-20 (M6) tapped holes and four #8 (M4) counterbores that provide direct mechanical compatibility with standard optomechanics.

The mounting plate is attached using four 4-40 screws and can be replaced to create a custom kinematic mount.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
KM100B Support Documentation
KM100B2" x 2" Kinematic Platform Mount
$54.60
Today
KM200B Support Documentation
KM200B3" x 3" Kinematic Platform Mount
$94.00
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KM100B/M Support Documentation
KM100B/M52 mm x 52 mm Kinematic Platform Mount
$54.60
Today
KM200B/M Support Documentation
KM200B/M77 mm x 77 mm Kinematic Platform Mount
$94.00
Today

Kinematic Prism Mount

  • Two 80 TPI Adjusters for ±4° of Fine Tip and Tilt Control
  • 8 mrad Adjustment per Revolution
  • Platform can be Removed and Secured to Either Arm Enabling Left- or Right-Handed Configuration
  • Designed for Use with Clamping Arms (Sold Below)
  • Removable Knobs Expose Adjuster Screws with Hex Socket

Thorlabs' KM100PM(/M) Kinematic Prism Mount provides kinematic control for prisms, cube beamsplitters, corner cubes, and other optics that require tip and tilt control. It contains eight 6-32 (M4) tapped holes for mounting our PM3(/M) or PM4(/M) Clamping Arms (sold below). The design used in the KM100PM(/M) orients the knobs in the usual vertical plane.

The two-piece mounting platform assembly is secured to the front plate using two 4-40 screws (3/32" hex), allowing for a left- or right-handed kinematic mount. The two pieces of the mounting platform assembly are held together with two 3-48 screws [5/64" (2 mm) hex]. The animation to the right shows how to convert between the left- and right-handed orientations. If desired, the mounting plate can also be removed and replaced with a user-supplied alternative, enabling custom mounting options.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
KM100PM Support Documentation
KM100PMKinematic Prism Mount, Eight 6-32 Taps
$72.50
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KM100PM/M Support Documentation
KM100PM/MKinematic Prism Mount, Eight M4 Taps
$72.50
Today

Kinematic Wavefront Sensor Mount

Wavefront Sensor Kinematic Mount
Click to Enlarge
 
The KM100WFS used to mount a WFS20-5C Wavefront Sensor.
  • Two 80 TPI Adjusters for ±4° of Fine Tip and Tilt Control
  • 8 mrad Adjustment per Revolution
  • Platform can be Removed and Secured to Either Arm Enabling Left- or Right-Handed Configuration
  • Removable Knobs Expose Adjuster Screws with Hex Socket

Thorlabs' KM100WFS Kinematic Platform Mount provides kinematic control for our CCD-Based and High-Speed CMOS-Based Shack-Hartmann Wavefront Sensors. The mount features a similar design to our KM100PM with a modified mounting platform designed to accommodate the WFS150, WFS300, and WFS20 wavefront sensors. The WFS20 high-speed wavefront sensor can be mounted using the two #8 through holes near the front edge of the plate and the included 8-32 screws. Two M3 through holes are also provided for mounting a WFS150 or WFS300 CCD-based wavefront sensor. Each CCD-based wavefront sensor is shipped with an adapter plate for post mounting; two lengths of M3 screws are included with the KM100WFS so that this wavefront sensor can be mounted with or without the adapter plate attached.

The two pairs of holes for mounting each type of wavefront sensor are offset so that the sensor of any WFS150, WFS300, or WFS20 will sit in the same plane when secured to the mount. Any of our wavefront sensors mounted on the platform will also share the same center line, but the sensor heights will vary. The sensor of a WFS150 or WFS300 with the adapter plate attached will be 0.4 mm higher than than the sensor of a WFS20. Please note that the optical axis of the sensor will not be centered over the optical post.

The DCU CCD Cameras can also be mounted on the KM100WFS: remove the two M3 screws from the bottom plate of the camera and use the longer set of M3 screws to attach the camera to the mount. Be sure not to loosen the third screw or remove the bottom plate completely, as this will expose the internal camera electronics.

The two-piece mounting platform assembly is secured to the front plate using two 4-40 screws (3/32" hex), allowing for a left- or right-handed kinematic mount. The two pieces of the mounting platform assembly are held together with two 3-48 screws [5/64" (2 mm) hex]. The animation to the right shows how to convert between the left- and right-handed orientations.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
KM100WFS Support Documentation
KM100WFSKinematic Mount for Thorlabs' Wavefront Sensors
$80.00
Today

Pitch-Adjustable Kinematic Adapter for Fixed Optic Mounts


Click to Enlarge
TPA01 Mounted Vertically on a Ø1/2" Post to Provide Yaw Adjustment
  • Pitch Adapter Gives 1-Axis Adjustment for Fixed Mounts
  • Compatible with All Fixed Mounts with Thickness Between 0.25" to 0.50" (6.4 mm to 12.7 mm)
  • 1/4"-80 Adjuster Provides ±4° Pitch Adjustment
  • Two 8-32 (M4) Tapped Holes Allow for Vertical and Horizontal Post Mounting

The TPA01(/M) Pitch-Adjustable Kinematic Adapter holds fixed optic mounts (such as the fixed lens and fixed mirror mounts) with thicknesses between 0.25" to 0.50" (6.4 mm to 12.7 mm) that feature an 8-32 (M4) tap. A lip at the front of the adapter acts as a mechanical guide in order to square the mount to the adapter. The two-piece kinematic design allows the user to actuate one axis of a fixed optic holder, making it ideal for beam-leveling or optic centration applications.

A side-located (when horizontally mounted) 1/4"-80 fine pitch adjuster with a 5/64" (2 mm) hex (compatible with the HKTS-5/64 hex adjuster) is used to articulate the platform through its ±4° adjustment. The mount is equipped with a physical stop (F25SC1) on the pitch adjuster to prevent overextension of the mount. An 8-32 (M4) screw (included with the adapter) secures the fixed optic mount to the top platform through a counterbored slot in the underside of the adapter. The TPA01(/M) has 8-32 (M4) taps on the bottom and side of the adapter to permit horizontal (see image above) and vertical (see image to the right) mounting.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
TPA01 Support Documentation
TPA01Pitch-Adjustable Kinematic Adapter
$85.00
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
TPA01/M Support Documentation
TPA01/MPitch-Adjustable Kinematic Adapter, Metric
$85.00
Today

Clamping Arms


Click to Enlarge

Clamping Arm Extension Posts with Metric Indicator Groove

Click for Details

Mechanical Drawings
  • Provide Clamping Force for Our Platform Mounts
  • 6-32 (M4) Threads on Top and Bottom of Post
  • PM3(/M): Holds Optics up to 0.97" (24.6 mm) Tall
  • PM4(/M): Holds Optics up to 1.61" (40.9 mm) Tall
  • Extension Posts Available to Increase Max Optic Height
    • PM3SP(/M) with PM3(/M): Hold Optics up to 2.21" (56.1 mm) Tall
    • PM4SP(/M) with PM4(/M): Hold Optics up to 3.61" (91.7 mm) Tall

Thorlabs' PM3(/M) and PM4(/M) Clamping Arms use a nylon-tipped setscrew with a 5/64" (2.0 mm) hex to secure optics to our kinematic platform mounts and V-clamps. The PM3(/M) accommodates optics up to 0.97" (24.6 mm) tall and features a 0.69" (17.5 mm) center-to-center distance between the post and the nylon-tipped setscrew. In contrast, the PM4(/M) accommodates optics up to 1.61" (40.9 mm) and features a 1.16" (29.3 mm) center-to-center distance between the post and the nylon-tipped setscrew. The maximum optic height of the PM3(/M) or PM4(/M) Clamping Arms can be extended using our PM3SP(/M) or PM4SP(/M) Extension Posts, respectively. These extension posts are identical to the posts included in each complete clamping arm.

The clamping arm for all items is held to the post using a flexure mechanism that locks with a 5/64" (2.0 mm) balldriver or hex key. The post also offers a through hole for added torque when tightening down the post. Please see the diagram above for additional information.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
PM3 Support Documentation
PM3Small Adjustable Clamping Arm, 6-32 Threaded Post
$18.00
Today
PM3SP Support Documentation
PM3SPNEW!Customer Inspired!Extension Post for PM3 Clamping Arm, 6-32 Threaded
$5.00
Today
PM4 Support Documentation
PM4Large Adjustable Clamping Arm, 6-32 Threaded Post
$22.00
Today
PM4SP Support Documentation
PM4SPNEW!Customer Inspired!Extension Post for PM4 Clamping Arm, 6-32 Threaded
$5.00
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
PM3/M Support Documentation
PM3/MSmall Adjustable Clamping Arm, M4 Threaded Post
$18.00
Today
PM3SP/M Support Documentation
PM3SP/MNEW!Customer Inspired!Extension Post for PM3/M Clamping Arm, M4 Threaded
$5.00
Today
PM4/M Support Documentation
PM4/MLarge Adjustable Clamping Arm, M4 Threaded Post
$22.00
Today
PM4SP/M Support Documentation
PM4SP/MNEW!Customer Inspired!Extension Post for PM4/M Clamping Arm, M4 Threaded
$5.00
Today
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