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SM1-Compatible Kinematic and Gimbal Mounts


  • SM1 (1.035"-40) Threading
  • Mount SM1 Lens Tubes
  • Mount 1" (25.4 mm) Circular or Elliptical Optics

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KCB1C

K5X1

GMB1

KS1T

K6XS

Related Items

Features

  • Fine Adjustment Actuators for Precise Positioning
  • SM1-Threaded Kinematic and Gimbal Mounts Available
  • Mount 1" (25.4 mm) Round or Elliptical Optics
  • Integrate SM-Threaded Components such as Lens Tubes, Irises and Adapters

These SM1-threaded (1.035"-40) mounts allow a variety of optical components to be integrated into optomechanical setups. All of these kinematic and gimbal mounts allow for versatility and flexibility in optomechanical constructions due to compatibility with SM1-Threaded lens tubes, irises, and adapters. In addition, these mounts (except for the KC45D cage assembly mount) all include tapped holes or counterbores for post mounting (see below for details).

Kinematic Mounts offer pitch and yaw movement and precise angular adjustment. Gimbal mounts offer rotational movement without angular or positional crosstalk. The KC1-T, KCB1(/M), KCB1C(/M), KCB1E(/M) and the KC45D mounts are not only SM1-compatible, but also 30 mm cage system compatible.

This page contains our SM1-Compatible Kinematic and Gimbal Mounts; for a full selection of available kinematic mounts, please visit our Kinematic Mounts and Mirror Mounts navigation menus.

Thorlabs' Threading Specifications

Thorlabs' lens tubes utilize a series of non-standard threadings. Threading specifications are given below for our SM threadings utilized in our lens tube and cage system components so that you can machine mating components to suit your application. We also offer products with C-Mount and RMS threadings, and the specifications for these threadings are also given below. Please note that other manufacturers may have different tolerances for these threads. For other thread specifications that are not listed here, please contact Tech Support.

SM05 Threading: Ø1/2" Lens Tubes, 16 mm Cage Systems
External Thread, 0.535"-40.0, UNS-2A Internal Thread, 0.535"-40.0, UNS-2B
Max Major Diameter 0.5340" Min Major Diameter 0.5350"
Min Major Diameter 0.5289" Min Pitch Diameter 0.5188"
Max Pitch Diameter 0.5178" Max Pitch Diameter 0.5230"
Min Pitch Diameter 0.5146" Min Minor Diameter (and 83.3% of thread) 0.508"
Max Minor Diameter 0.5069" Max Minor Diameter (and 64.9% of thread) 0.514"
RMS Threading: Objective, Scan, and Tube Lenses
External Thread, 0.800"-36.0, UNS-2A Internal Thread, 0.800"-36.0, UNS-2B
Max Major Diameter 0.7989" Min Major Diameter 0.8000"
Min Major Diameter 0.7934" Min Pitch Diameter 0.7820"
Max Pitch Diameter 0.7809" Max Pitch Diameter 0.7866"
Min Pitch Diameter 0.7774" Min Minor Diameter (and 83.3% of thread) 0.770"
Max Minor Diameter 0.7688" Max Minor Diameter (and 64.9% of thread) 0.777"
C-Mount Threading: Machine Vision LensesCCD/CMOS Cameras
External Thread, 1.000"-32.0, UN-2A Internal Thread, 1.000"-32.0, UN-2B
Max Major Diameter 0.9989" Min Major Diameter 1.0000"
Min Major Diameter 0.9929" Min Pitch Diameter 0.9797"
Max Pitch Diameter 0.9786" Max Pitch Diameter 0.9846"
Min Pitch Diameter 0.9748" Min Minor Diameter (and 83.3% of thread) 0.966"
Max Minor Diameter 0.9651" Max Minor Diameter (and 64.9% of thread) 0.974"
SM1 Threading: Ø1" Lens Tubes, 30 mm Cage Systems
External Thread, 1.035"-40.0, UNS-2A Internal Thread, 1.035"-40.0, UNS-2B
Max Major Diameter 1.0339" Min Major Diameter 1.0350"
Min Major Diameter 1.0288" Min Pitch Diameter 1.0188"
Max Pitch Diameter 1.0177" Max Pitch Diameter 1.0234"
Min Pitch Diameter 1.0142" Min Minor Diameter (and 83.3% of thread) 1.008"
Max Minor Diameter 1.0068" Max Minor Diameter (and 64.9% of thread) 1.014"
SM30 Threading: Ø30 mm Lens Tubes
External Thread, M30.5x0.5 Internal Thread, M30.5x0.5
Max Major Diameter 30.480 mm Min Major Diameter 30.500 mm
Min Major Diameter 30.371 mm Min Pitch Diameter 30.175 mm
Max Pitch Diameter 30.155 mm Max Pitch Diameter 30.302 mm
Min Pitch Diameter 30.059 mm Min Minor Diameter (and 83.3% of thread) 29.959 mm
Max Minor Diameter 29.938 mm Max Minor Diameter (and 64.9% of thread) 30.094 mm
SM2 Threading: Ø2" Lens Tubes, 60 mm Cage Systems
External Thread, 2.035"-40.0, UNS-2A Internal Thread, 2.035"-40.0, UNS-2B
Max Major Diameter 2.0338" Min Major Diameter 2.0350"
Min Major Diameter 2.0287" Min Pitch Diameter 2.0188"
Max Pitch Diameter 2.0176" Max Pitch Diameter 2.0239"
Min Pitch Diameter 2.0137" Min Minor Diameter (and 83.3% of thread) 2.008"
Max Minor Diameter 2.0067" Max Minor Diameter (and 64.9% of thread) 2.014"
SM3 Threading: Ø3" Lens Tubes
External Thread, 3.035"-40.0, UNS-2A Internal Thread, 3.035"-40.0, UNS-2B
Max Major Diameter 3.0337" Min Major Diameter 3.0350"
Min Major Diameter 3.0286" Min Pitch Diameter 3.0188"
Max Pitch Diameter 3.0175" Max Pitch Diameter 3.0242"
Min Pitch Diameter 3.0133" Min Minor Diameter (and 83.3% of thread) 3.008"
Max Minor Diameter 3.0066" Max Minor Diameter (and 64.9% of thread) 3.014"
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
GM100 Support Documentation GM100:Ø1" Gimbal Mirror Mount, Imperial, One Retaining Ring Included
GM100/M Support Documentation GM100/M:Ø25.4 mm Gimbal Mirror Mount, Metric, One Retaining Ring Included
GMB1 Support Documentation GMB1:Ø1" Full Gimbal Mount, 360° Adjustable, One Retaining Ring Included
GMB1/M Support Documentation GMB1/M:Ø25.4 mm Full Gimbal Mount, Metric, 360° Adjustable, One Retaining Ring Included
K5X1 Support Documentation K5X1:5-Axis Locking Kinematic Mount for Ø1" Optics
K6XS Support Documentation K6XS:6-Axis Locking Kinematic Optic Mount
KC1-T Support Documentation KC1-T:Kinematic, SM1-Threaded, 30 mm-Cage-Compatible Mount for Ø1" Optic
KC1-T/M Support Documentation KC1-T/M:Kinematic, SM1-Threaded, 30 mm-Cage-Compatible Mount for Ø1" Optic, Metric
KC45D Support Documentation KC45D:Cage Assembly Turret Mount Ø1" Optics
Part NumberProduct Description
KCB1 Support Documentation KCB1:Right-Angle Kinematic Mirror Mount with Tapped Cage Rod Holes, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
KCB1/M Support Documentation KCB1/M:Right-Angle Kinematic Mirror Mount with Tapped Cage Rod Holes, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
KCB1C Support Documentation KCB1C:Right-Angle Kinematic Mirror Mount with Smooth Cage Rod Bores, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
KCB1C/M Support Documentation KCB1C/M:Right-Angle Kinematic Mirror Mount with Smooth Cage Rod Bores, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
KCB1E Support Documentation KCB1E:Right-Angle Kinematic Elliptical Mirror Mount, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
KCB1E/M Support Documentation KCB1E/M:Right-Angle Kinematic Elliptical Mirror Mount, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
KM100T Support Documentation KM100T:SM1-Threaded Kinematic Mount for Thin Ø1" Optics
KS1T Support Documentation KS1T:SM1-Threaded Precision Kinematic Mirror Mount for Ø1" Optics, 3 Adjusters

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Ø1" Kinematic Mount for Optics up to 0.14" (3.5 mm) Thick

Both images above show the F280APC-B fiber collimator mounted in the KM100T kinematic mount using an AD11F adapter. On the left, the KM100T is mounted upwards using the #8 (M4) counterbore accessed by a through hole in the front plate. On the right, the KM100T is mounted with one of two back-located #8 (M4) counterbores, which are orthogonal to the optic mounting bore and to each other.
  • Mounts Thin Ø1" Optics up to 0.14" (3.5 mm) Thick
  • Optics Held with Retaining Ring
  • Angular Range: ±4°
  • Resolution: 8 mrad (0.5°) per Rev via Two 1/4"-80 Precision Adjusters
  • Three Counterbored #8 (M4) Through Holes Allow for Left-Handed, Right-Handed, or Upward-Facing Orientation
  • Removable Knobs Expose Hex Sockets in the Adjuster Screws
  • Ø1" Lens Tube Compatible via SM1 Threading

The KM100T mirror mount uses a retaining ring for stress-free mounting of a thin optical component. An optic is secured in the mounting hole with the included SM1RR SM1 (1.035"-40) threaded retaining ring, which can be attached using the SPW602 spanner wrench. This threading also allows the mount to be compatible with Ø1" lens tubes.

The universal KM100T is compatible with both imperial and metric threaded Ø1/2" mounting posts via #8 (M4) counterbored through holes, and can be attached to the post in a right-handed, left-handed, or upward-facing orientation, as shown in the photos to the right. The mount has removable knobs that expose hex sockets in the lead adjuster screws. The KM100T features two 1/4"-80 adjusters for tip and tilt adjustments. An optional accessory, the LN2580 bronze locking nut, is available to lock the adjusters once the desired position is reached.

Thin Kinematic Mounts are also suitable for mounting fiber collimators utilizing adapters such as the AD11F, as shown above.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
KM100T Support Documentation
KM100TSM1-Threaded Kinematic Mount for Thin Ø1" Optics
$64.00
Today

Ø1" Kinematic Mount for Optics up to 0.14" (3.5 mm) Thick, 3 Adjusters

KS1T with a Mounted Laser Diode
Click to Enlarge
AD11F Adapter Threaded into the KS1T for Mounting a Laser Diode Module
  • Internally SM1-Threaded (1.035"-40) for Ø1" Lens Tube Compatibility
  • Mounts Thin Ø1" Optics up to 0.14" (3.6 mm) Thick via Included Retaining Rings
  • Two Counterbored #8 (M4) Through Holes Allow for Left-Handed or Right-Handed Orientation
  • Angular Range: ±4°
  • Three lockable 1/4"-80 Precision Adjusters Provide 8 mrad (0.5°) of Travel per Revolution
  • Removable Knobs Expose Hex Sockets in the Adjuster Screws

The KS1T mirror mount uses a retaining ring for stress-free mounting of a thin optical component. An optic is secured in the mounting hole with the two included SM1RR SM1 (1.035"-40) threaded retaining rings, which can be attached using the SPW606 spanner wrench. This threading also allows the mount to be compatible with Ø1" lens tubesThis mount incorporates a thicker back plate than our two adjuster mirror mount, sold above, thereby providing increased stability. In addition to the increased mass of the mount, stiffer springs and hardened inserts at all contact points have been utilized to enhance the overall performance.

The KS1T is universal, making it compatible with both imperial and metric threaded Ø1/2" mounting posts via a #8 (M4) counterbored through hole, and can be attached to the post in a right-handed or left-handed orientation. The mount has removable knobs that expose hex sockets in the lead adjuster screws. The KS1T features three 1/4"-80 TPI, lockable adjusters that allow the ±4° adjustment range to be altered by translating the front plate of the mirror mount. The spacing between the front and back plate must be 0.120" (3.05 mm) for the adjustment range to be symmetric (i.e., ±4°). When using all three adjusters, a maximum Z translation of 0.25" (6.4 mm) can be achieved.

As shown in the image above and to the right, the internal threads can also be used to mount externally threaded adapters, allowing for various components to be mounted such as laser diode modules or fiber collimators.

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KS1T Support Documentation
KS1TNEW!SM1-Threaded Precision Kinematic Mirror Mount for Ø1" Optics, 3 Adjusters
$105.00
Today

5-Axis Kinematic Optic Mount


Click to Enlarge
K5X1 Kinematic Mount Shown with a Ø1" Lens Tube and a Ø1/2" Post
  • Five Axes of Lockable Adjustment
    • Pitch/Yaw: ±4° at 8 mrad/rev
    • X and Y Translation: ±0.04" (±1.0 mm) at 254.0 µm/rev
    • Z Translationa: ±0.13" (±3.2 mm)
  • SM1-Threaded (1.035"-40) Bore for Ø1" (Ø25 mm) Optics up to 0.38" (9.5 mm) Thick
  • Two #8 (M4) Counterbores for Post Mounting
  • Compact Size: 2.54" x 2.54" x 2.10" (64.4 mm x 64.4 mm x 53.3 mm)

The K5X1 5-Axis Kinematic Optic Mount offers an optic cell that can be adjusted along 5 axes (pitch, yaw, and XYZ), each with a locking screw for stability. The translating cell has SM1 threading (1.035"-40) for attaching Ø1" mounted optics. The cell can also be used to mount Ø1" (Ø25 mm) unmounted optics up to 0.38" (9.5 mm) thick using the included SM1RR Retaining Ring, which can be tightened using an SPW602 or SPW606 Spanner Wrench (sold separately). The mount features engraved vertical and horizontal tick marks to use as an alignment aid for the mounting cell. For post mounting the K5X1 kinematic mount in a right- or left-handed configuration, two orthogonal #8 (M4) counterbores are provided. For information on the hex key sizes needed to adjust and lock the kinematic mount, please click on the Docs icon () below and select a drawing format.

For adjustment on all of the axes available with the K5X1 plus rotational adjustment, we offer the K6XS 6-Axis Kinematic Mount (sold below).

  • Z-axis translation is accomplished by turning all three tip/tilt adjusters equally in the same direction.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
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K5X1 Support Documentation
K5X1Customer Inspired!5-Axis Locking Kinematic Mount for Ø1" Optics
$232.00
Today

6-Axis Kinematic Optic Mount

  • Six Adjustment Axes with Locks
    • Kinematic Pitch/Yaw: ±4° at 5 mrad/rev
    • X and Y Translation: ±2 mm at 254 µm/rev
    • Z Translation: 6.35 mm at 318 µm/reva
    • Continuous 360° Roll Control with 1° Graduations
  • Independent X, Y, and Roll Adjustment
  • SM1-Threaded Bore for Ø1" (25 mm) Optics up to 0.55" (14 mm) Thick
  • Six #8 (M4) Counterbores for Post Mounting

The K6XS 6-Axis Kinematic Optic Mount is designed as a general-purpose, high-precision positioner. The optic cell can be translated along 6 axes, and each axis has a locking screw for stability. The translating cell has SM1 (1.035"-40) threading for attaching Ø1" lens tubes or mounting Ø1" (25 mm) optics up to 0.55" (14 mm) thick using the included SM1RR Retaining Ring, which can be tightened using an SPW602 or SPW606 Spanner Wrench (sold separately). The rotating dial has tapped 4-40 holes for attaching the K6A1 (sold separately below).

In testing, the K6XS was shown to drift less than 15 µrad in 48 hours at typical environmental conditions, with a 2 °C temperature fluctuation. The X and Y axes cause less than ±10 µm of crosstalk when translated over their full range.

  • Z-axis translation is accomplished by turning all three tip/tilt adjusters equally in the same direction.
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K6XS Support Documentation
K6XSCustomer Inspired!6-Axis Locking Kinematic Optic Mount
$252.00
Today

30 mm Kinematic Cage Mount

KC1-T
  • ±4º Angular Rotation, ±3 mm Linear Translation
  • Compatible with 30 mm Cage System
  • Minimum Optic Thickness: 0.04" (1 mm)
  • Maximum Optic Thickness: 0.23" (5.8 mm)
  • Post-Mountable With a #8-32 (M4) Tapped Hole

The KC1-T offers three adjusters with independently locking setscrews. The rugged mechanical design provides excellent stability when mounted in a cage system or on a post.

Both the front and rear plates have been machined with four clearance holes designed for direct compatibility with our 30 mm cage system standards. The rear plate provides locking setscrews to clamp to cage rods for secure positioning. The cage rod holes in the front plate are sufficiently oversized to allow ±4º tip and tilt without interference with the rods. The KC1-T has an SM1 (1.035"-40) center tap for mounting optics and is compatible with our SM1-Series Lens Tubes and related accessories. Two SM1RR Retaining Rings are included with the KC1-T and can be used to mount a Ø1" optic up to 5.5 mm thick. Thicker optics can be mounted by using an SM1-series lens tube.

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KC1-T Support Documentation
KC1-TKinematic, SM1-Threaded, 30 mm-Cage-Compatible Mount for Ø1" Optic
$90.78
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KC1-T/M Support Documentation
KC1-T/MKinematic, SM1-Threaded, 30 mm-Cage-Compatible Mount for Ø1" Optic, Metric
$90.78
Today

30 mm Cage Right-Angle Kinematic Mirror Mount with Tapped Cage Rod Holes

  • Eight 4-40 Tapped Holes to Mate with 30 mm Cage Systems
  • Mounts Ø1" (25.4 mm) Optics at a 45° Angle to the Optical Axis
  • Provides ±4º Kinematic Tip and Tilt Adjustment
  • Compatible with SM1-Threaded (1.035"-40) Lens Tubes
  • Post Mountable:
    • KCB1: One 8-32 Tap and One 1/4"-20 Tap (for Ø1/2" and Ø1" Posts)
    • KCB1/M: One M4 Tap and One M6 Tap (for Ø1/2" and Ø1" Posts)

The KCB1(/M) cube provides kinematic tip and tilt of an optic held in a mounting plate whose mean horizontal position is at a 45° angle. Entrance and exit ports are equipped with an SM1-threaded (1.035"-40) bore. The KCB1(/M) has eight 4-40 tapped holes center-to-center spaced to mate with our 30 mm cage system standard. ERSCA ER Rod Adapters are necessary to effectively connect, adjust, and lock two of these right angle cage mounts together within the cage system. The kinematic tip and tilt adjustment plate on these cubes is actuated with 100 TPI (Threads per Inch) adjustment screws that allow for smooth, high-resolution movement. Two of these adjusters include removable knobs, while the third must be tuned with a 5/64" (2 mm) hex key or balldriver.

A nylon-tipped setscrew is used to secure Ø1" (25.4 mm) optics using a 5/64" (2 mm) hex key or balldriver via the mounts' rear-loading, double-bored hole. The rear loading design does not limit the maximum thickness of the mounted optic and the mounted optic remains accessible even after the mount is fitted with cage rods or lens tubes. The minimum thickness for optics that can be secured by these mounts is 0.12" (3 mm).

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KCB1 Support Documentation
KCB1Right-Angle Kinematic Mirror Mount with Tapped Cage Rod Holes, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
$139.94
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KCB1/M Support Documentation
KCB1/MRight-Angle Kinematic Mirror Mount with Tapped Cage Rod Holes, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
$139.94
Today

30 mm Cage Right-Angle Kinematic Mirror Mount with Smooth Cage Rod Bores

Beamsplitter Cube Attached to KCB1 Turning Mirror
Click to Enlarge

KCB1C Mount with Smooth Bores (Right) Directly Attached to a KCB1 Mount with Tapped Holes (Left)
  • Eight 0.25" (6.35 mm) Deep Smooth Bore Holes to Mate with 30 mm Cage Systems
  • Mounts Ø1" (25.4 mm) Optics at a 45° Angle to the Optical Axis
  • Provides ±4º Kinematic Tip and Tilt Adjustment
  • Compatible with SM1-Threaded (1.035"-40) Lens Tubes
  • Post Mountable:
    • KCB1C: One 8-32 Tap and One 1/4"-20 Tap (for Ø1/2" and Ø1" Posts)
    • KCB1C/M: One M4 Tap and One M6 Tap (for Ø1/2" and Ø1" Posts)

The KCB1C(/M) cube provides kinematic tip and tilt of an optic held in a mounting plate whose mean horizontal position is at a 45° angle. Entrance and exit ports are equipped with an SM1-threaded (1.035"-40) bore and four 0.25" (6.35 mm) deep smooth bore holes center-to-center spaced to mate with our 30 mm cage system standard. The cage rods are secured by eight setscrews using a 5/64" (2 mm) hex key or balldriver. This design allows multiple 30 mm cage components to be directly interfaced without the need for ERSCA ER Rod Adapters. The kinematic tip and tilt adjustment plate on these cubes is actuated with removable 100 TPI (Threads per Inch) adjustment screws that allow for smooth, high-resolution movement. Two of these adjusters include removable knobs, while the third must be tuned with a 5/64" (2 mm) hex key or balldriver.

A nylon-tipped setscrew is used to secure Ø1" (25.4 mm) optics using a 5/64" (2 mm) hex key or balldriver via the mounts' rear-loading, double-bored hole. This hole features a clearance cut that provides a maximum clear aperture for any transmitted light and allows easy access to mounted optics. The rear loading design does not limit the thickness of the mounted optic and the mounted optic remains accessible even after the mount is fitted with cage rods or lens tubes. The minimum thickness for optics that can be secured by these mounts is 0.12" (3 mm).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
KCB1C Support Documentation
KCB1CCustomer Inspired!Right-Angle Kinematic Mirror Mount with Smooth Cage Rod Bores, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
$139.94
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KCB1C/M Support Documentation
KCB1C/MCustomer Inspired!Right-Angle Kinematic Mirror Mount with Smooth Cage Rod Bores, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
$139.94
Today

30 mm Cage Right-Angle Kinematic Elliptical Mirror Mount

Elliptical Mirror Mount
Click to Enlarge

KCB1E Elliptical Mount on a Post with ER Cage Rods and an SM1 Lens Tube
  • Eight 4-40 Tapped Holes for ER Cage Rods
  • Mounts 1" (25.4 mm) Elliptical Optics at a 45° Angle to the Optical Axis
  • Provides ±4° Kinematic Tip and Tilt Adjustment
  • 30 mm Cage System and SM1 (1.035"-40) Compatible
  • Post Mountable:
    • KCB1E: One 8-32 Tap and One 1/4"-20 Tap (for Ø1/2" and Ø1" Posts)
    • KCB1E/M: One M4 Tap and One M6 Tap (for Ø1/2" and Ø1" Posts)

The KCB1E(/M) cube provides kinematic tip and tilt of a 1" (25.4 mm) elliptical optic held in a mounting plate whose mean horizontal position is at a 45° angle. The ports are equipped with SM1-threaded (1.035"-40) bores and four 4-40 tapped holes center-to-center spaced to mate with our 30 mm Cage System standard. The kinematic tip and tilt adjustment plate is actuated with 100 TPI (Threads per Inch) adjustment screws that allow for smooth, high-resolution movement. Two of these adjusters include removable knobs, while the third must be tuned with a 5/64" (2 mm) hex key or balldriver.

A nylon-tipped adjustment screw and a nylon-coated spring clip are used to secure 1" (25.4 mm) elliptical optics using a 0.05" (1.3 mm) hex key or balldriver via the mounts' rear-loading, double-bored hole. The rear loading design ensures that the optic remains accessible even after the mount is fitted with cage rods or lens tubes. These mounts were designed for a 6 mm thick optic, and the spring clip mechanism will not secure optics that are significantly thicker or thinner than this. We offer dielectric and metallic elliptical mirrors, which are compatible with these mounts.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
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KCB1E Support Documentation
KCB1ERight-Angle Kinematic Elliptical Mirror Mount, 30 mm Cage System and SM1 Compatible, 8-32 and 1/4"-20 Mounting Holes
$198.00
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
KCB1E/M Support Documentation
KCB1E/MRight-Angle Kinematic Elliptical Mirror Mount, 30 mm Cage System and SM1 Compatible, M4 and M6 Mounting Holes
$198.00
Today

Ø1" Gimbal Mount for the 30 mm Cage System

KC45D Application
Click to Enlarge

The photos above show the KC45D Gimbal mount in different 30 mm cage system configurations.

  • True Gimbal Design
  • Maximum Optic Thickness: 0.24" (6 mm)
  • Mounts Ø1" Optics
  • Compatible with Thorlabs' 30 mm Cage System
  • Full 360º Rotation of Optic Holder
  • ±30º Rotation on the Optic Holder Saddle

The KC45D Turret Mount is designed to allow a Ø1" optic to be rotated about a point in the center of a 30 mm cage assembly with true gimbal motion. The optic holder is free to rotate through 360º. Once its coarse angular orientation is set, the fine adjustment mechanism (i.e., two 100 TPI adjusters offering an adjustment per revolution of 13 mrad/rev) can be used for precise alignment, using the HKTS-5/64 hex key thumbscrew or any other 5/64" hex key or balldriver. The second angular degree of freedom is achieved by rotation of an intermediate saddle. This saddle connects the optic holder to the cage assembly and is free to rotate ±30º.The optic is secured against the back lip of the SM1 (1.035"-40) center tapped region using the included SM1RR Retaining Ring.

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KC45D Support Documentation
KC45DCage Assembly Turret Mount Ø1" Optics
$197.40
Today

Gimbal Mount

  • Designed for Intra-Cavity Use
  • Maximum Optic Thickness: 0.63" (16 mm)
  • Angular Range: ±2.5°
  • Angular Displacement per Revolution: 0.35°
  • Post Mountable with Three 8-32 (M4) Tapped Holes

The GM100 gimbal mount for Ø1" optics is designed for intra-cavity use. 50 divisions per revolution graduated adjustment knobs are located on the top surface of the mount, making them easily accessible even if the mount is integrated into an optical cavity. This design provides pure rotational motion without angular or positional crosstalk.

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+1 Qty Docs Part Number - Imperial Price Available / Ships
GM100 Support Documentation
GM100Ø1" Gimbal Mirror Mount, Imperial, One Retaining Ring Included
$233.00
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+1 Qty Docs Part Number - Metric Price Available / Ships
GM100/M Support Documentation
GM100/MØ25.4 mm Gimbal Mirror Mount, Metric, One Retaining Ring Included
$233.00
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Full Gimbal Mount for Ø1" Optics

GMB1 Application
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The minimal profile of the GMB1 Gimbal mount is ideal for crowded optical setups.
  • True Gimbal Design
  • Maximum Optic Thickness: 0.25" (6.4 mm)
  • Mounts Ø1" (25.4 mm) Optics
  • Fine Adjustment Provides ±15° at 1°/rev
  • Fully Lockable Design
  • Superior Kinematic Performance Without Crosstalk

GMB1 optic mount, which is designed to hold Ø1" (Ø25.4 mm) optics up to 0.25" (6.4 mm) thick, features true gimbal motion in order to eliminate crosstalk when steering a beam of light. The point of rotation for both axes is located at the center of the mounted optic’s surface. Utilizing locking thumbscrews and fine pitch adjusters, the GMB1 offers both coarse adjustment and fine tuning.The coarse adjustment allows 360° of manual positioning for both angular degrees of freedom. The fine adjustment allows for ±15° of control, with rotation of the control knob yielding 1° of angular displacement per revolution. The yaw can be adjusted in a similar fashion using the thumbscrew and setscrew closest to the post. After the desired pitch and yaw position is established, the entire mount can be easily locked into place by tightening both thumbscrews and both setscrews.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
GMB1 Support Documentation
GMB1Customer Inspired!Ø1" Full Gimbal Mount, 360° Adjustable, One Retaining Ring Included
$268.00
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
GMB1/M Support Documentation
GMB1/MCustomer Inspired!Ø25.4 mm Full Gimbal Mount, Metric, 360° Adjustable, One Retaining Ring Included
$268.00
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