60 mm Cage Rotation Mounts
- 360° of Continuous Rotation
- SM1 (1.035"-40)- or SM2 (2.035"-40)-Threaded Rotation Carriage
- Engraved Graduations at 1° Increments
LCRM2A
Rotation Mount with SM2-Threaded Bore, 360° Continuous
Application Idea
LCRM2A Mount Rotating 30 mm Cage Assembly Within 60 mm Cage System
LCP16R1
Rotation Mount with SM1-Threaded Bore, ±8° Fine Rotation Adjustment
LCP16R2
Rotation Mount with SM2-Threaded Bore, ±8° Fine Rotation Adjustment
LCP16RP2
SM2-Threaded Rotation Ring
LCP16RP1
SM1-Threaded Rotation Ring
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Alternative Size Options |
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16 mm Cage Rotation Mount |
30 mm Cage Rotation Mounts |
60 mm Cage Rotation Mounts |
Features
- Mount Ø1" (25.4 mm) Optics, Ø2" (Ø50.8 mm) Optics, SM1-Threaded Components, or SM2-Threaded Components
- LCP16R Series Rotation Mounts Include Removable Rotation Rings
- Additional Rotation Rings Available Separately
- Compatible with 60 mm Cage System
Thorlabs offers rotation mounts for integrating optics and mechanical assemblies with 60 mm cage systems. The LCRM2A(/M) Rotation Mount is designed to provide 360° of continuous rotation for Ø2" (50.8 mm) optics. Alternatively, other optomechanical components can be mounted in the SM2-threaded (2.035"-40) rotation carriage to integrate other optic sizes and shapes with a 60 mm cage system, as shown in the photo above (see the Application tab for details).
The LCP16R series rotation mounts provide 360° of coarse and ±8° of fine rotation for optics or components mounted in a 60 mm cage system. Each mount includes a removable rotation ring with an SM1- (1.035"-40) or SM2- (2.035"-40) threaded bore. The rotation rings are also available separately, allowing the user to switch the internal bore of an LCP16R mount from SM1- to SM2-threaded, or vice versa.
LCRM2A - Creating a Rotating 30 mm Cage Assembly Within a 60 mm Cage System
Thorlabs' versatile cage system can be used to create complex optical systems with elements that are aligned along a common optical axis. The cage system is available in three different sizes (16 mm, 30 mm, and 60 mm rod spacings), with a wide selection of accessories available as well as cage size adapters that allow for interoperability of different cage sizes. Smaller cage assemblies may be mounted within larger ones where clearances allow, as in the Application Idea above.
Design & Construction
In the Application Idea above, a 30 mm cage assembly is mounted on a CP38T SM2-Threaded Round Cage Plate, which is threaded into an LCRM2A 60 mm Cage Rotation Mount (available below). The 30 mm cage assembly consists of a TO-can laser diode and collimation optics. Rotating the laser diode in conjunction with its collimation optics allows the polarization axis of the TO can laser diode to be rotated while maintaining a collimated, approximately Gaussian beam.
The Ø9 mm TO can laser diode is mounted in an LDH9-P2 30 mm Cage Collimation Mount and SR9 ESD Protection/Strain Relief Cable. The collimated elliptical output of the laser diode is corrected for using cylindrical lenses mounted in CYCPA Cylindrical Lens Mounts. ER1.5 Cage Assembly Rods must be substituted for the ER2 rods that are included with each CYCPA mount. This provides the necessary clearance for the 30 mm cage assembly to rotate unobstructed within the 60 mm cage assembly.
Click to Enlarge
Rotating 30 mm Cage Assembly Within 60 mm Cage System
60 mm Cage System Components | ||||
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# | Product Description | Item # | Item Qty. | |
1 | 60 mm Cage Rotation Mount for Ø2" Optics | LCRM2A | 1 | |
2 | SM2-Threaded Round 30 mm Cage Plate | CP38T | 1 | |
3 | 60 mm Threaded Cage Plate | LCP34 | 1 | |
4 | 60 mm Cage Clamp for Ø1.5" Posts | CH1560 | 1 | |
5 | Cage Assembly Rod, 8" Long, 4 Pack | ER8-P4 | 1 | |
6 | Ø1.5" Mounting Post | - | 1 | |
30 mm Cage Assembly Components | ||||
# | Product Description | Item # | Item Qty. | |
7 | Ø5.6 mm, Ø9 mm, or TO3 TO Can Laser Diode | - | 1 | |
8 | ESD Protection and Strain Relief Cable | - | 1 | |
9 | 30 mm Cage Plate Laser Diode Collimation Mount a |
For Ø5.6 mm TO Can LD | LDH56-P2 | 1 |
For Ø9 mm TO Can LD | LDH9-P2 | |||
For TO3 Laser Diode | LDH3-P1 | |||
10 | Mounted M9 x 0.5 mm Aspheric Lens | - | 1 | |
11 | 30 mm Cage Mount for Cylindrical Lenses | CYCPA | 2 | |
12 | Plano-Concave Cylindrical Lens | - | 1 | |
13 | Plano-Convex Cylindrical Lens | - | 1 | |
14 | Cage Assembly Rod, 1.5" Long, 4 Pack | ER1.5-P4 | 1 | |
15 | Cage Assembly Rod, 4" Long, 4 Pack | ER4-P4 | 1 |
Cage System Overview
The Cage Assembly System provides a convenient way to construct large optomechanical systems with an established line of precision-machined building blocks designed for high flexibility and accurate alignment.
16 mm, 30 mm, and 60 mm Cage System Standards
Thorlabs offers three standards defined by the center-to-center spacing of the cage assembly rods (see image below). The 16 mm cage, 30 mm cage, and 60 mm cage standards are designed to accommodate Ø1/2", Ø1", and Ø2" optics, respectively. Specialized cage plates that allow smaller optics to be directly inserted into our larger cage systems are also available.
Standard Threads
The flexibility of our Cage Assembly System stems from well-defined mounting and thread standards designed to directly interface with a wide range of specialized products. The three most prevalent thread standards are our SM05 Series (0.535"-40 thread), SM1 Series (1.035"-40 thread), and SM2 Series (2.035"-40 thread), all of which were defined to house the industry's most common optic sizes. Essential building blocks, such as our popular lens tubes, directly interface to these standards.
An example of the standard cage plate measurements determining cage system compatibility.
Standard Cage System Measurements | |||
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Cage System | 16 mm | 30 mm | 60 mm |
Thread Series | SM05 | SM1 | SM2 |
Rod to Rod Spacing | 16 mm (0.63") | 30 mm (1.18") | 60 mm (2.36") |
Total Length | 25 mm (0.98") | 41 mm (1.60") | 71.1 mm (2.80") |
Cage Components | ||
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Cage Rods | 16 mm | These rods are used to connect cage plates, optic mounts, and other components in the cage system. The SR Series Cage Rods are compatible with our 16 mm cage systems, while the 30 mm and 60 mm cage systems use ER Series Cage Rods. |
30 mm | ||
60 mm | ||
Cage Plates | 16 mm | These serve as the basic building blocks for a cage system. They may have SM-threaded central bores, smooth bores sized for industry standard optics or to accommodate the outer profile of our SM Series Lens Tubes, or specialized bores for other components such as our FiberPorts. |
30 mm | ||
60 mm | ||
Optic Mounts | 16 mm | Thorlabs offers fixed, kinematic, rotation, and translation mounts specifically designed for our Cage Systems. |
30 mm | ||
60 mm | ||
Cage Cubes | 16 mm | These cubes are useful for housing larger optical components, such as prisms or mirrors, or optics that need to sit at an angle to the beam path, such as beamsplitters. Our cage cubes are available empty or with pre-mounted optics. |
30 mm | ||
60 mm | ||
Replacement Setscrews | Replacement setscrews are offered for our 16 mm (SS4B013, SS4B025, and SS4B038) and 30 mm (SS4MS5 and SS4MS4) cage systems products. | |
Post and Breadboard Mounts and Adapters | Mounting options for cage systems can be found on our Cage System Construction pages. Cage Systems can be mounted either parallel or perpendicular to the table surface. | |
Size Adapters | Cage System Size Adapters can be used to integrate components from different cage system and threading standards. | |
Specialized Components | Thorlabs also produces specialized cage components, such as Filter Wheels, a HeNe Laser Mount, and a FiberPort Cage Plate Adapter, allowing a wide range of our products to be integrated into cage-mounted optical systems. Explore our Cage Systems Visual Navigation Guide to see the full range of Thorlabs' cage components. |
Posted Comments: | |
user
 (posted 2023-09-20 06:56:13.19) how many kg can endure this products in vertical position? jdelia
 (posted 2023-09-20 10:21:27.0) Thank you for contacting Thorlabs. We are reaching out to you directly regarding this. |
Rotation Mount and Stage Selection Guide
Thorlabs offers a wide variety of manual and motorized rotation mounts and stages. Rotation mounts are designed with an inner bore to mount a Ø1/2", Ø1", or Ø2" optic, while rotation stages are designed with mounting taps to attach a variety of components or systems. Motorized options are powered by a DC Servo motor, 2 phase stepper motor, piezo inertia motor, or an Elliptec™ resonant piezo motor. Each offers 360° of continuous rotation.
Manual Rotation Mounts
Rotation Mounts for Ø1/2" Optics | |||||||
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Item # | MRM05(/M) | RSP05(/M) | CRM05 | PRM05(/M)a | SRM05 | KS05RS | CT104 |
Click Photo to Enlarge |
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Features | Mini Series | Standard | External SM1 (1.035"-40) Threads |
Micrometer | 16 mm Cage-Compatible | ±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Compatible with 30 mm Cage Translation Stages and 1/4" Translation Stagesb |
Additional Details |
Rotation Mounts for Ø1" Optics | ||||||||
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Item # | RSP1(/M) | LRM1 | RSP1D(/M) | DLM1(/M) | CLR1(/M) | RSP1X15(/M) | RSP1X225(/M) | PRM1(/M)a |
Click Photo to Enlarge |
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Features | Standard | External SM1 (1.035"-40) Threads |
Adjustable Zero | Two Independently Rotating Carriages | Rotates Optic Within Fixed Lens Tube System |
Continuous 360° Rotation or 15° Increments |
Continuous 360° Rotation or 22.5° Increments |
Micrometer |
Additional Details |
Rotation Mounts for Ø1" Optics | ||||||
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Item # | LM1-A & LM1-B(/M) |
CRM1T(/M) | CRM1LT(/M) | CRM1PT(/M) | KS1RS | K6XS |
Click Photo to Enlarge |
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Features | Optic Carriage Rotates Within Mounting Ring | 30 mm Cage-Compatiblea | 30 mm Cage-Compatible for Thick Opticsa |
30 mm Cage-Compatible with Micrometera |
±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Six-Axis Kinematic Mounta |
Additional Details |
Rotation Mounts for Ø2" Optics | |||||||
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Item # | RSP2(/M) | RSP2D(/M) | PRM2(/M) | LM2-A & LM2-B(/M) |
LCRM2A(/M) | KS2RS | K6X2 |
Click Photo to Enlarge | |||||||
Features | Standard | Adjustable Zero |
Micrometer | Optic Carriage Rotates Within Mounting Ring | 60 mm Cage-Compatible | ±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Six-Axis Kinematic Mount |
Additional Details |
Rotation Drive Mechanism and Adjustment Range | Manual, 360° Continuous | Coarse: Manual, 360° Continuous; Fine: ±7° Micrometer |
Manual, 360° Continuous | ||||
Optic Mounting | Internally SM2-Threaded Carriage | Internal SM2 Threads in LM2-A |
Internally SM2-Threaded Carriage | ||||
Maximum Accepted Optic Thickness | 0.51" (13 mm) | 0.54" (13.7 mm) | 0.48" (12.2 mm) | 0.46" (11.7 mm) | 0.52" (13.2 mm) | 0.47" (12 mm) | 0.53" (13.4 mm) |
Post Mounting | 8-32 (M4) Tap | 8-32 (M4) Tap in LM2-B | 8-32 (M4) Tap | Four Counterbores for 8-32 (M4) Cap Screws | Six Counterbores for 8-32 (M4) Cap Screws | ||
Cage System Compatibility | N/A | Four 4-40 (M3) Taps on Rotation Dial with 60 mm Spacing |
N/A | Four Bores for Ø6 mm Cage Rods with 60 mm Spacing |
N/A | N/A |
Manual Rotation Stages
Manual Rotation Stages | ||||||
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Item # | RP005(/M) | PR005(/M) | MSRP01(/M) | RP01(/M) | RP03(/M) | QRP02(/M) |
Click Photo to Enlarge |
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Features | Standard | Two Hard Stops | ||||
Additional Details |
Manual Rotation Stages | ||||||
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Item # | XRNR1(/M) | XRR1(/M) | PR01(/M) | CR1(/M) | XYR1(/M) | OCT-XYR1(/M) |
Click Photo to Enlarge |
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Features | Fine Rotation Adjuster and 2" Wide Dovetail Quick Connect |
Fine Rotation Adjuster and 3" Wide Dovetail Quick Connect |
Fine Rotation Adjuster and SM1-Threaded Central Aperture |
Fine Pitch Worm Gear | Rotation and 1/2" Linear XY Translation | |
Additional Details |
Motorized Rotation Mounts and Stages
Motorized Rotation Mounts and Stages with Central Clear Apertures | |||||
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Item # | DDR25(/M) | PDR1C(/M) | PDR1(/M) | PDR1V(/M) | PDXR1(/M) |
Click Photo to Enlarge |
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Features | Compatible with SM05 Lens Tubes, 16 mm Cage System, & 30 mm Cage System |
Compatible with 16 mm Cage System |
Compatible with SM05 Lens Tubes & 30 mm Cage System |
Vacuum-Compatible; Also Compatible with SM05 Lens Tubes & 30 mm Cage System |
Compatible with SM05 Lens Tubes & 30 mm Cage System |
Additional Details |
Motorized Rotation Mounts and Stages with Central Clear Apertures | |||||
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Item # | K10CR1(/M) | PRM1Z8(/M)a | DDR100(/M) | ELL14 | HDR50(/M) |
Click Photo to Enlarge |
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Features | Compatible with SM1 Lens Tubes & 30 mm Cage System | Compatible with SM1 Lens Tubes, 16 mm Cage System, 30 mm Cage System |
Compatible with SM1 Lens Tubes, Open Frame Design for OEM Applications |
Compatible with SM2 Lens Tubes |
|
Additional Details |
Motorized Rotation Mounts and Stages with Tapped Platforms | ||
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Item # | PRMTZ8(/M)a | ELL18(/M)b |
Click Photo to Enlarge |
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Features | Tapped Mounting Platform for Mounting Prisms or Other Optics | Tapped Mounting Platform, Open Frame Design for OEM Applications |
Additional Details |
- Mounts Ø2" (Ø50.8 mm) Optics or SM2-Threaded Components
- Ø48.3 mm Clear Aperture
- 360° of Continuous Rotation
- 1° Engraved Graduations on Dial, Labeled Every 10°
- Setscrew Locking Mechanism
- SM2-Compatible Rotation Carriage
- 8-32 (M4 x 0.7) Hole for Post Mounting
The LCRM2A(/M) Rotation Mount is designed to mount Ø2" (50.8 mm) optics up to 0.52" (13.2 mm) thick in an SM2-threaded (2.035"-40) rotation carriage. The optic is secured using the included SM2RR retaining ring (the SPW604 spanner wrench is ideal for tightening this retaining ring). For thicker optics, any of our SM2 series of lens tubes can be threaded into the carriage. The smooth rotation mechanism allows for precise positioning of the rotation carriage. The mount is compatible with the 60 mm cage system and can be mounted on a Ø1/2" optical post using the 8-32 (M4 x 0.7) tapped mounting hole on the bottom side of the rotation mount.
The LCRM2A(/M) mount is also compatible with the CP38T SM2-Threaded Round Cage Plate which allows 30 mm cage assemblies to be used inside a 60 mm cage system. This is illustrated in the Application Idea above. For more details, please see the Application tab.
Click to Enlarge
This mount offers 360° of coarse rotation via the rotation ring and ±8° of fine rotation via the threaded adjuster. The coarse and fine rotation are independent of each other and both positions can be locked using the respective 5/64" (2 mm) hex locking screws.
Click to Enlarge
The recessed area in the back of the mount provides clearance for the camera's input aperture.
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The LCP16R1 rotation mount in a 60 mm cage system with the CS2100M-USB Quantalux® camera and the LCP4S cage plate adapter.
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The LCP16R1(/M) rotation mount includes the LCP16RP1 rotation ring.
- Mount Ø1" (Ø25.4 mm) Optics or SM1-Threaded Components
- Ø0.95" (Ø24.1 mm) Clear Aperture
- ±8° of Fine Rotation; 360° of Manual Coarse Rotation
- 1° Engraved Graduations, Labeled Every 2° up to ±8°
- Setscrew Locking Mechanism
- Suitable for Cantilevered Loads up to 0.5 ft-lbs (0.68 N•m) Torque
- Includes LCP16RP1 Removable Rotation Ring
- Additional SM1- and SM2-Threaded Rotation Rings Available Below
- One 8-32 (M4 x 0.7) Hole for Post Mounting
Thorlabs' LCP16R1(/M) 60 mm Cage System Rotation Mount with SM1 Threads provides ±8° of fine and 360° of coarse rotation angle adjustment for SM1-threaded components integrated with a 60 mm cage system. A nylon-tipped setscrew secures the included LCP16RP1 rotation ring; this setscrew can be loosened using a 5/64" (2 mm) hex key to allow for 360° of manual rotation (see the image to the right). Once this screw is tightened, fine rotation adjustment is achieved via a 3/16"-100 threaded adjuster. A fine adjustment scale engraved on the top of the mount has graduations every 1° with a range of ±8°.
This mount features four through holes for ER cage rods that are compatible with Thorlabs' 60 mm cage system or cameras that use this hole pattern, such as our scientific CCD cameras. The removable rotation ring on the front of the mount has 0.40" (10.1 mm) deep internal SM1 (1.035"-40) threads, allowing Ø1" (Ø25.4 mm) optics, Ø1" lens tubes, or other externally SM1-threaded components to be integrated with the rotation mount. Internally C-mount threaded components, such as Thorlabs' USB C-Mount CCD, Quantalux® sCMOS, or Kiralux™ CMOS cameras, can be attached to the rotation ring using an SM1A39 adapter; alternatively, the SM1T2 coupler can be used to connect internally SM1-threaded components, such as Zelux® CMOS cameras or a selection of our microscope port adapters. Note that the back of the SM1-threaded bore has a retaining lip, so SM1-threaded components can only be mated to the front side.
Users can switch out the included SM1-threaded LCP16RP1 rotation ring with the SM2-threaded LCP16RP2 rotation ring, sold below, to integrate SM2-threaded components into the LCP16R1(/M) mount.
Click to Enlarge
This mount offers 360° of coarse rotation via the rotation ring and ±8° of fine rotation via the threaded adjuster. The coarse and fine rotation are independent of each other and both positions can be locked using the respective 5/64" (2 mm) hex locking screws.
Click to Enlarge
Back View. The LCP16R2 rotation mount is 60 mm cage compatible.
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The LCP16R2(/M) rotation mount includes the LCP16RP2 rotation ring.
- Mount Ø2" (Ø50.8 mm) Optics or SM2-Threaded Components
- Ø1.90" (Ø48.3 mm) Clear Aperture
- ±8° of Fine Rotation; 360° of Manual Coarse Rotation
- 1° Engraved Graduations, Labeled Every 2° up to ±8°
- Setscrew Locking Mechanism
- Suitable for Cantilevered Loads up to 0.5 ft-lbs (0.68 N•m) Torque
- Includes LCP16RP2 Removable Rotation Ring
- Additional SM1- and SM2-Threaded Rotation Rings Available Below
- One 8-32 (M4 x 0.7) Hole for Post Mounting
Thorlabs' LCP16R2(/M) 60 mm Cage System Rotation Mount with SM2 Threads provides ±8° of fine and 360° of coarse rotation angle adjustment for SM2-threaded components integrated with a 60 mm cage system. A nylon-tipped setscrew secures the included LCP16RP2 rotation ring; this setscrew can be loosened using a 5/64" (2 mm) hex key to allow for 360° of manual rotation (see the image to the right). Once this screw is tightened, fine rotation adjustment is achieved via a 3/16"-100 threaded adjuster. A fine adjustment scale engraved on the top of the mount has graduations every 1° with a range of ±8°.
This mount features four through holes for ER cage rods that are compatible with Thorlabs' 60 mm cage system or cameras that use this hole pattern, such as our scientific CCD cameras. The removable rotation ring on the front of the mount has 0.40" (10.1 mm) deep internal SM2 (2.035"-40) threads, allowing Ø2" (Ø50.8 mm) optics, Ø2" lens tubes, or other externally SM2-threaded components to be integrated with the rotation mount. Internally C-mount threaded components, such as Thorlabs' USB C-Mount CCD, Quantalux® sCMOS, or Kiralux™ CMOS cameras, can be attached to the rotation ring using an SM2A55 adapter.
Users can switch out the included SM2-threaded LCP16RP2 rotation ring with the SM1-threaded LCP16RP1 rotation ring, sold below, to integrate SM1-threaded components into the LCP16R2(/M) mount.
Thorlabs' LCP16RP1 and LCP16RP2 rotation rings are sold separately to allow users the option to switch the internal bore of an LCP16R mount from SM1-threaded to SM2-threaded, or vice versa. The LCP16R1(/M) mount (sold above) includes the LCP16RP1 rotation ring; likewise, the LCP16R2(/M) (sold above) mount includes the LCP16RP2. To switch the rotation ring in a mount, loosen the side-located 5/64" (2 mm) hex setscrew on an LCP16R mount to release the inserted rotation ring; replace it with the desired rotation ring and secure the setscrew.