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Kinematic Rectangular Optic Mounts


  • Mount Rectangular Optics from 1/2" to 2" Tall
  • Versions with Adjustable Optic Height Offered

Holds Optics up to
1.3" (33.0 mm) Tall  

KM05S

Right-Handed Mount for
1/2" (12.7 mm) Tall Optics

KM100CL

Adjustable Left-Handed Mount
(Lens Sold Separately)

KM200S

Right-Handed Mount for
2" (50.8 mm) Tall Optics

Application Idea

KMSR Compact Kinematic Mount
with 25 mm Tall Diffraction Grating

Related Items


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Kinematic Mounts for Rectangular Optics
Click to Enlarge
Relative Sizes of Our Kinematic Mounts for Rectangular Optics

Features

  • Four Designs Available:
    • Mini-Series Mount for 1/2" Tall Rectangular Optics
    • Compact Mount for 1" Tall Rectangular Optics
    • Standard Mounts for 1/2", 1", or 2" Tall Rectangular Optics
    • Adjustable Optic Height Mounts for Rectangular Optics up to 1.3" (33.0 mm) Tall
  • Right- and Left-Handed Versions Available for KM05, KM100, and KM200 Series Mounts
  • Fabricated from Black Anodized Aluminum
  • Hardened Steel Inserts at Kinematic Contact Points to Reduce Wear
  • Compatible with our Mini-Series or Ø1/2" Posts

Thorlabs offers fixed and adjustable optic height kinematic mounts for square or rectangular optics, such as our square metallic or dielectric mirrors and diffraction gratings. The adjustable optic height mounts are designed to accept rectangular optics up to 1.3" (33.0 mm) tall, such as our cylindrical lenses. We also offer a 90° flip mount for rectangular optics.


Posted Comments:
yoav.romach  (posted 2019-02-10 23:32:40.903)
Non of these mounts is useful for the rectangular Dichroic Mirror that you are selling. The KM100S only supports optics that is 3mm thick, and while the KM100C does support it, it is not a good product... The screws are on the same side, so the top part never properly holds down the optics, and it always ends up applying pressure on it and distorts the beam... Please create a suitable kinematic mount for the 1mm rectangular optic that you are selling!
llamb  (posted 2019-02-12 08:54:29.0)
Thank you for your feedback. I am sorry to hear the KM100C is not suitable for your application, and I have brought this up to our internal product forum for revision/improvement.
paolo.maioli  (posted 2018-07-06 14:52:06.96)
Can I use a KM100S mount for a 1-mm thick plate beamsplitter (e.g. BSS11R) or is it designed only for thicker optics?
YLohia  (posted 2018-07-06 10:44:27.0)
Unfortunately, the minimum optic thickness for the KM100S is 3mm due to the locking setscrew mechanism of clamping down optics. You could look into the KM100C on the same page for your 1mm thick optic.
franxm  (posted 2014-03-05 16:12:21.863)
Can you provide a Left-Handed KM200S? Thanks, Fran
cdaly  (posted 2014-03-07 01:11:34.0)
Response from Chris at Thorlabs: Thank you for your feedback. Yes, we can offer a left handed version as a custom item. We will contact you directly in order to have a quote created.
jlow  (posted 2012-11-12 16:33:35.387)
Response from Jeremy at Thorlabs: Thank you very much for your feedback. You can find the 0.05" hex key at http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=1407&pn=HK050.
user  (posted 2012-11-09 09:15:07.28)
You supply hex drivers for the standard sizes, e.g. for the KS3 adjustment, but not for the rare 0.05" hex adjustment of the KM100C. This could be improved, thanks
jlow  (posted 2012-10-08 16:52:00.0)
Response from Jeremy at Thorlabs: You can accommodate taller optics with the KM100C by either replacing the posts or putting additional posts on it. The posts that came with the KM100C are our ER series posts (1.5" long, ER1.5). You can find the ER series posts at http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=4125.
cslabau  (posted 2012-10-08 15:07:24.0)
My hard-copy catalog shows this mount with 70mm posts to accept 50.8mm optics. Can I get an extended post length?
user  (posted 2012-05-15 07:59:02.0)
Do the set screws on the KM100C take a standard hex key to adjust and if so what size?
klee  (posted 2009-10-13 16:05:32.0)
A response from Ken at Thorlabs to cnadav: It is a #4-40 setscrew, 1/16" long.
cnadav  (posted 2009-10-13 14:00:37.0)
i lost a set screw of the sliding clamp in th KM100C. i want to replace it but i dont know the dimentions of the setscrew that i lost. could you help

Kinematic Mounts for 1/2" Tall Rectangular Optics

MK05S with 1/2" Square Mirror
Click to Enlarge
MK05S Kinematic Mount Shown with 1/2" Square Mirror
  • Hold 1/2" Tall Square or Rectangular Optics
  • ±4° Tip/Tilt Adjustment Range
  • High Resolution:
    • MK05S(/M): 13.4 mrad per Adjuster Revolution
    • KM05S(L)(/M): 13 mrad per Adjuster Revolution
  • Post Mounting Features:
    • MK05S(/M): Two 4-40 (M3) Taps for Mini-Series Posts
    • KM05S(L)(/M): Two 8-32 (M4) Taps for Ø1/2" Posts

The MK05S(/M) Mini-Series Kinematic Mount holds 1/2" tall rectangular optics that are at least 2.54 mm (0.10") thick, such as metallic or dielectric mirrors and diffraction gratings. The optic is secured with a nylon-tipped 0.050" (1.3 mm) hex setscrew. The setscrew and bottom of the mount provide three points of contact for stable mounting. This mount has two 4-40 (M3) threaded holes that enable horizontal or vertical mounting. This two-adjuster mount does not come with adjuster knobs, making it ideal for use in confined spaces. The M2.5 x 0.20 adjusters are actuated with a 0.050" (1.3 mm) hex key, such as our HKTS-050 Hex Key Thumbscrews. The angular displacement range of the mirror face is ±4° with an adjustment of 13.4 mrad (0.76°) per revolution. An optional accessory, the F10SC1-5 Locking Collar, is available to lock the M2.5 x 0.20 adjusters once the desired position is achieved. We also offer Mini-Series mounts for round mirrors.

The KM05S(/M) and KM05SL(/M) Standard Mounts secure 1/2" rectangular optics that are at least 3.0 mm (0.12") thick using a nylon-tipped 5/64" (2.0 mm) hex setscrew and a flexure clamp mechanism. The setscrew presses the flexure clamp against the edge of the optic to create an area of contact, holding the optic securely in the mount. The KM05S(/M) and KM05SL(/M) are right- and left-handed mounts, respectively. Each mount has two 8-32 (M4) tapped holes for mounting to our Ø1/2" posts. These mounts do not come with adjuster knobs, making them ideal for use in confined spaces. The 3/16"-100 adjusters are actuated with a 5/64" (2.0 mm) hex key, such as our HKTS-5/64 Hex Key Thumbscrews (sold below). An optional accessory, the F19SC1 Locking Collar, is available to lock the 3/16"-100 adjusters once the desired position is achieved.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
MK05S Support Documentation
MK05SNEW!Mini-Series Kinematic Mount for 1/2" Tall Rectangular Optics, Right Handed, 4-40 Taps
$110.00
Today
KM05S Support Documentation
KM05SKinematic Mount for 1/2" Tall Rectangular Optics, Right Handed, 8-32 Tap
$72.78
Today
KM05SL Support Documentation
KM05SLKinematic Mount for 1/2" Tall Rectangular Optics, Left Handed, 8-32 Tap
$72.78
Today
+1 Qty Docs Part Number - Metric Price Available
MK05S/M Support Documentation
MK05S/MNEW!Mini-Series Kinematic Mount for 12.7 mm Tall Rectangular Optics, Right Handed, M3 Taps
$110.00
Today
KM05S/M Support Documentation
KM05S/MKinematic Mount for 12.7 mm Tall Rectangular Optics, Right Handed, M4 Tap
$72.78
Today
KM05SL/M Support Documentation
KM05SL/MKinematic Mount for 12.7 mm Tall Rectangular Optics, Left Handed, M4 Tap
$72.78
Today

Kinematic Mounts for 1" Tall Rectangular Optics

KMSR Front View
Click to Enlarge
The KMSR(/M) mount also has an 8-32 (M4) tap for platform-style mounting.
  • Hold 1" Tall Square or Rectangular Optics
  • Mount Optics Greater than 3.0 mm (0.12") Thick
  • Tip/Tilt Adjustment Range of ±4°
  • High Resolution:
    • KMSR(/M): 15 mrad per Adjuster Revolution
    • KM100S(L): 8 mrad per Adjuster Revolution
  • Features for Mounting to Ø1/2" Posts:
    • KMSR(/M): Two 8-32 (M4) Taps
    • KM100S(L): Two #8 (M4) Counterbores

These kinematic mounts are designed to hold 1" tall rectangular optics that are at least 3.0 mm (0.12") thick, such as metallic or dielectric mirrors and diffraction gratings.

The KMSR(/M) Compact Mount features a compact design in which the optic is secured with a nylon-tipped 5/64" (2.0 mm) hex setscrew, as shown in the photo to the right. The setscrew and bottom of the mount provide three points of contact for stable mounting. This mount has two 8-32 (M4) threaded holes that enable horizontal or vertical mounting. This two-adjuster mount does not come with adjuster knobs, making it ideal for use in confined spaces. The 3/16"-100 adjusters are actuated with a 5/64" (2.0 mm) hex key, such as our HKTS-5/64 Hex Key Thumbscrews (sold below). The angular displacement range of the mirror face is ±4° with an adjustment of 15 mrad per revolution. An optional accessory, the F19SC1 Locking Collar, is available to lock the 3/16"-100 adjusters once the desired position is achieved. We also offer versions of this mount for round mirrors.

The KM100S and KM100SL Mounts secure 1" rectangular optics that are at least 3.0 mm (0.12") thick using a nylon-tipped 5/64" (2.0 mm) hex setscrew and a flexure clamp mechanism. The setscrew presses the flexure clamp against the edge of the optic to create an area of contact, holding the optic securely in the mount. The KM100S and KM200S rectangular optic mounts are right handed, while the KM100SL and KM200SL are left handed. They feature two 1/4"-80 adjusters and include one 8-32 cap screw and one M4 cap screw for mounting to our Ø1/2" posts. An optional accessory, the LN2580 Bronze Locking Nut, is available to lock the 1/4"-80 adjusters once the desired position is reached. We also offer the F25SSK1L Large-Diameter Knob for finer actuator control and the PIAK10 Piezo Inertia Actuator for high-resolution motorized control.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
KMSR Support Documentation
KMSRNEW!Compact Kinematic Mount for 1" Tall Rectangular Optics, 8-32 Taps
$75.00
Today
+1 Qty Docs Part Number - Universal Price Available
KM100S Support Documentation
KM100SKinematic Mount for 1" (25.4 mm) Tall Rectangular Optics, Right Handed
$85.49
Today
KM100SL Support Documentation
KM100SLCustomer Inspired! Kinematic Mount for 1" (25.4 mm) Tall Rectangular Optics, Left Handed
$85.49
Today
+1 Qty Docs Part Number - Metric Price Available
KMSR/M Support Documentation
KMSR/MNEW!Compact Kinematic Mount for 25.4 mm Tall Rectangular Optics, M4 Taps
$75.00
Today

Kinematic Mounts for 2" Tall Rectangular Optics

  • Hold 2" Tall Square or Rectangular Optics
  • Mount Optics Greater than 3.0 mm (0.12") Thick
  • ±3° Tip/Tilt Adjustment Range, 5 mrad per Adjuster Revolution
  • Compatible with Our Ø1/2" Posts

Our KM200S(/M) and KM200SL(/M) Mounts hold 2" tall square or rectangular optics that are at least 3.0 mm (0.12") thick. We recommend these mounts for holding our square metallic or dielectric mirrors and diffraction gratings. The KM200S(/M) mounts is right handed, while the KM200SL is left handed. The optic is secured in each mount with a nylon-tipped 5/64" (2.0 mm) hex setscrew and a flexure clamp mechanism, as shown in the photo to the right. The setscrew presses the flexure clamp against the edge of the optic to create an area of contact, holding the optic securely in the mount. It features two 1/4"-80 adjusters and includes one 8-32 cap screw and one M4 cap screw for mounting to our Ø1/2" posts. An optional accessory, the LN2580 Bronze Locking Nut, is available to lock the 1/4"-80 adjusters once the desired position is reached. We also offer the F25SSK1L Large-Diameter Knob for finer actuator control and the PIAK10 Piezo Inertia Actuator for high-resolution motorized control.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KM200S Support Documentation
KM200SKinematic Mount for 2" (50.8 mm) Tall Rectangular Optics, Right Handed
$147.17
Today
KM200SL Support Documentation
KM200SLCustomer Inspired! Kinematic Mount for 2" (50.8 mm) Tall Rectangular Optics, Left Handed
$147.17
Today

Adjustable Kinematic Mounts for Rectangular Optics up to 1.3" Tall

KM100C Application
Click to Enlarge
View Product List
Item #QtyDescription
KM100C1Kinematic Mount for up to 1.3" (33 mm) Tall Rectangular Optics, Right Handed
ER1.52Cage Assembly Rod, 1.5" Long, Ø6 mm
AYL5040-A1f=40.00 mm, L=50.0 mm, H=50.0 mm, S-LAH64 Plano-Convex Acylindrical Lens, AR Coating: 350-700 nm
KM100C Mount with 50 mm Tall Cylindrical Lens Using Additional ER Rods
  • Adjustable Clamping Arm Capable of Mounting Optics up to 1.3" (33.0 mm) Tall
  • Mounts Optics up to 65 mm Wide
  • Tip/Tilt Adjustment Range of ±4°, 8 mrad per Adjuster Revolution
  • Two #8 (M4) Counterbores at 90° in Back Plate Enable Post Mounting
  • Right- and Left-Handed Configurations Available
  • Rubber Pads Increase Contact Area with Optic

The KM100C(L) Adjustable-Height Mounts are ideal for mounting cylindrical lenses of various sizes. They are available in right-handed (item # KM100C) or left-handed (item # KM100CL) configurations. Optics are securely held in place by two rubber-padded arms that can be locked with a 0.05" hex key. The length of the rubber pads is 0.79" (20.0 mm) and we recommend mounting optics with an edge thickness no greater than 0.3" (7.62 mm). Mounting larger optics may affect the stability and performance of the mounts.

The mount accepts cylindrical optics up to 1.3" (33.0 mm) tall. The adjustable clamping arm is mounted to two preinstalled ER1.5 rods. To accommodate taller optics, additional ER rods (sold separately) can be screwed onto those included with the mount (as seen in the photo to the right). It also has two #8 (M4) counterbores for mounting to our Ø1/2" posts.

The kinematic tip/tilt adjustments, driven by two 1/4"-80 adjusters, simplify positioning. An optional accessory, the LN2580 Bronze Locking Nut, is available to lock the adjusters once the desired position is reached.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KM100C Support Documentation
KM100CKinematic Mount for up to 1.3" (33 mm) Tall Rectangular Optics, Right Handed
$102.54
5-8 Days
KM100CL Support Documentation
KM100CLKinematic Mount for up to 1.3" (33 mm) Tall Rectangular Optics, Left Handed
$102.54
Today

5/64" Hex Key Adjusters

POLARIS-K12AH with HKTS-5/64 Adjuster
Click for Details

POLARIS-K1-2AH with HKTS-5/64 Adjuster
  • For Convenient Adjustment of 5/64" and 2 mm Hex-Driven Actuators
  • Red Anodized Adjustment Knob with Engraved Hex Size
  • Replaceable Hex Tip
  • Sold in Packages of 4

These 5/64" Hex Key Adjuster Thumbscrews allow for quick adjustment of many 5/64" and 2 mm hex-driven actuators (or standard actuators with the knobs removed). These temporary knobs can be left in the screw's hex socket between adjustments for convenience (see photo to the right). An 8-32 setscrew (5/64" hex) secures the replaceable hex bit, which can be reversed if the tip is stripped. Contact Tech Support to order replacement hex key bits.

We offer hex key thumbscrews in sizes from 0.050" to 3/16" and 2 mm to 5 mm.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
HKTS-5/64 Support Documentation
HKTS-5/64Customer Inspired! 5/64" (2 mm) Hex Key Thumbscrew, 4 Pack
$25.13
Today
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