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Beamsplitter Cube Attached to the KCB1 Turning Mirror Using the CM1-CC Cage Cube Connector

• Mounts Ø1" (25.4 mm) Optics at a 45° Angle to the Optical Axis
• Eight 4-40 Tapped Holes for ER Cage Rods
• Provides ±4° Kinematic Tip and Tilt Adjustment
• 30 mm Cage System and SM1 (1.035"-40) Compatible
• 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) right-angle mount provides pitch and yaw adjustment for a Ø1" (Ø25.4 mm) optic held in a mounting plate whose nominal horizontal position is at a 45° angle. The ports are equipped with SM1-threaded (1.035"-40) bores. The KCB1(/M) has eight 4-40 tapped holes spaced to mate with our 30 mm cage system standard. ERSCB 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 three 100 TPI (Threads per Inch) adjustment screws that allow for smooth, high-resolution movement of 0.01" (0.254 mm) per turn. 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), and optics thinner than 0.12" (3 mm) will need to be combined with an optic spacer.

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KCB1C Mount with Smooth Bores (Right) Directly Attached to a KCB1 Mount with Tapped Holes (Left)

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KCB1C(/M) Mounts have Smooth Bores for Cage Rods

• Mounts Ø1" (25.4 mm) Optics at a 45° Angle to the Optical Axis
• Eight 0.25" (6.35 mm) Deep Smooth Bore Holes for ER Cage Rods
• Provides ±4° Kinematic Tip and Tilt Adjustment
• 30 mm Cage System and SM1 (1.035"-40) Compatible
• 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) right-angle mount provides pitch and yaw adjustment for a Ø1" (Ø25.4 mm) optic held in a mounting plate whose nominal horizontal position is at a 45° angle. The ports are equipped with SM1-threaded (1.035"-40) bores and four 0.25" (6.35 mm) deep smooth bore holes 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 ERSCB ER Rod Adapters. The kinematic tip and tilt adjustment plate on these cubes is actuated with three 100 TPI (Threads per Inch) adjustment screws that allow for smooth, high-resolution movement of 0.01" (0.254 mm) per turn. 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), and optics thinner than 0.12" (3 mm) will need to be combined with an optic spacer.

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KCB1E Elliptical Mount on a Post with ER Cage Rods and an SM1 Lens Tube

• Mounts 1" (25.4 mm) Elliptical Optics at a 45° Angle to the Optical Axis
• Eight 4-40 Tapped Holes for ER Cage Rods
• Provides ±4° Kinematic Pitch and Yaw Adjustment
• Z-Axis Translation Using All Three Adjusters: ±0.12" (±3.0 mm)
• 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 Ø25.0 mm Posts)

The KCB1E(/M) right-angle mount provides pitch and yaw adjustment for a 1" (25.4 mm) elliptical optic held in a mounting plate whose nominal 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 pitch and yaw adjustment plate is actuated with 100 TPI (Threads per Inch) adjustment screws that provide angular resolution of 7.6 mrad/rev. Two of these adjusters include removable knobs, while the third must be tuned with a 5/64" (2 mm) hex key or balldriver. While the optic face is nominally centered within the mount, the third adjuster can be used for fine tuning the position along the optical axis.

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 mount's 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. We offer dielectric and metallic elliptical mirrors, which are compatible with these mounts.

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KCB1EC(/M) Mounts have Smooth Bores for Cage Rods

• Mounts 1" (25.4 mm) Elliptical Optics at a 45° Angle to the Optical Axis
• Eight 0.25" (6.35 mm) Deep Smooth Bore Holes for ER Cage Rods
• Provides ±4° Kinematic Pitch and Yaw Adjustment
• Z-Axis Translation Using All Three Adjusters: ±0.12" (±3.0 mm)
• 30 mm Cage System and SM1 (1.035"-40) Compatible
• Post Mountable:
  • KCB1EC: One 8-32 Tap and One 1/4"-20 Tap (for Ø1/2" and Ø1" Posts)
  • KCB1EC/M: One M4 Tap and One M6 Tap (for Ø1/2" and Ø25.0 mm Posts)

The KCB1EC(/M) right-angle mount provides pitch and yaw adjustment for a 1" (25.4 mm) elliptical optic held in a mounting plate whose nominal horizontal position is at a 45° angle. The ports are equipped with SM1-threaded (1.035"-40) bores and four 0.25" (6.35 mm) deep smooth bore holes 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 ERSCB ER Rod Adapters. The kinematic pitch and yaw adjustment plate is actuated with 100 TPI (Threads Per Inch) adjustment screws that provide angular resolution of 7.6 mrad/rev. Two of these adjusters include removable knobs, while the third must be tuned with a 5/64" (2 mm) hex key or balldriver. While the optic face is nominally centered within the mount, the third adjuster can be used for fine tuning the position along the optical axis.

A nylon-coated spring clip is used to secure 1" (25.4 mm) elliptical optics using a 0.05" (1.3 mm) hex key or balldriver via the mount's 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 to hold a 6 mm thick elliptical optic. We offer dielectric and metallic elliptical mirrors, which are compatible with these mounts.

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Beam Path Inside KCB1P Mount
(OAP Mirror Sold Separately)

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KCB1P Mounting Plate and Housing Body Shown with
Off-Axis Parabolic Mirror (Sold Separately)

• Mounts Ø1" (Ø25.4 mm) Off-Axis Parabolic Mirrors at a Right Angle
• Eight 0.25" (6.35 mm) Deep Smooth Bore Holes for Ø6 mm ER Cage Rods
• Provides ±4° Kinematic Pitch and Yaw Adjustment
• Z-Axis Translation Using All Three Adjusters: ±0.12" (±3.0 mm)
• 30 mm Cage System and SM1 Lens Tube Compatible
• Two 1/4"-20 (M6) Taps for Mounting on Ø1/2" or Ø1" Posts

The KCB1P(/M) right-angle mount provides pitch and yaw adjustment for a Ø1" (Ø25.4 mm) off-axis parabolic (OAP) mirror mounted on a plate that positions the surface of the mirror at a 45° angle. The ports are equipped with SM1-threaded (1.035"-40) bores and four 0.25" (6.35 mm) deep smooth bore holes spaced to mate with our 30 mm cage system. The cage rods are secured by eight setscrews using a 5/64" (2.0 mm) hex key or balldriver. This design allows multiple 30 mm cage components to be directly interfaced without the need for ERSCB ER Rod Adapters. The kinematic pitch and yaw adjustment plate is actuated with 100 TPI (Threads Per Inch) adjustment screws that provide an angular resolution of 7.6 mrad/rev. The knob on each adjuster is removable. While the optic face is nominally centered within the mount, the third adjuster can be used for fine tuning the position along the optical axis.

Three captive 4-40 cap screws in the optic mounting plate are used to secure the Ø1" (Ø25.4 mm) off-axis parabolic mirror using a 5/64" (2.0 mm) hex key or balldriver. The rear-loading, removable mounting plate features our ball and V-groove design that allows it to be precisely kinematically positioned on the body of the mount. The plate and mount are held together using pairs of rare-earth magnets. Once mounted, the plate can be firmly secured in place using the captive locking screw with 5/64" (2.0 mm) hex on the back. The rear-loading design ensures that the optic remains accessible even after the mount is fitted with cage rods or lens tubes. The back of the mounting plate offers an engraved label for marking details about the installed mirror such as the focal length or part number. The mounting plate also features through bores for OAP mirrors with holes for the focused or collimated beams, though we do not currently stock these mirrors in a Ø1" form factor. To request a quote for custom Ø1" OAP mirrors with holes, please contact Tech Support.

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Alignment of Laser Beam Along Holes of Optical Table Using an RBP1 Post Base

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Top and Bottom View of the RBP1 Post Base

• Ideal for Aligning a Laser Beam Along the Threaded Holes of an Optical Table
• Compatible with Imperial and Metric Optical Tables and Ø1" or Ø25 mm Pillar Posts
• Alignment Pins and Attachment Screw Position the Front Surface of the Mirror in a KCB1(/M), KCB1C(/M), KCB1E(/M), or KCB1EC(/M) Mount Above a Hole in the Table
• Post Rotates Freely When Locking Screw is Loosened

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Using a BHM6 Ruler and RBP1 Base to Align a KCB1 Mount

The RBP1(/M) Pin-Aligned, Clamping Post Base is designed to simplify aligning a laser beam over the threaded holes in an imperial or metric optical table by holding the front surface of a mirror mounted in a KCB1(/M), KCB1C(/M), KCB1E(/M), or KCB1EC(/M) Right-Angle Kinematic Mirror Mount above a hole in the table. The clamping post base accepts Ø1" (Ø25 mm) Pillar Posts, to which the right-angle mirror mount can be connected as shown in the image to the left; note that the base does not accept pedestal posts. Alignment pins on the bottom of the RBP1(/M) clamp fit into the holes on an optical table, which sets the mount in the correct position, while a 1/4"-20 (M6) cap screw and washer (not included) secure the clamp to the table. The body of the clamp is made of stainless steel, with an additional anodized aluminum piece that works with the locking screw to lock the post to the clamp.

Once the RBP1(/M) is attached to the table, the angle of the post can be set so that the mirror sends the beam along the general direction of the holes in the table by aligning the center of the back of the mount over the locking screw side of the clamp, as shown in the image above and to the right. To secure the post in place, tighten the locking screw with a 3/16” (5 mm) hex key or balldriver. The post clamping mechanism uses three points of contact for stable mounting (see the image to the upper right). The knobs on the mirror mount can then be used for further precise alignment of the beam. We recommend the BHM6 Magnetic Beam Height Ruler with Dowel Pins as an ideal tool for aligning a laser with a table's hole pattern using the RBP1(/M) post bases, as it places a series of alignment holes at different heights above two threaded holes in the table (see the image to the left).

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Front View of VRC1CPT Drop-In Alignment Plate

• Drop-In Beam Alignment Tools
• Small Through Hole Aligned at Center of 30 mm Cage Assembly

The CPA1 and CPA2 Alignment Plates are convenient tools for aligning cage-based optical systems. These drop-in plates feature a small through hole at the exact center of the 30 mm cage assembly that is used for aligning visible beams. For easy alignment, the through hole is surrounded by engraved rings, which indicate Ø4 mm, Ø7 mm, Ø10 mm, and Ø13 mm. The CPA1 provides a Ø0.9 mm through hole, while the CPA2 provides a Ø5 mm through hole.

The VRC1CPT, VRC2CPT, VRC4CPT, and VRC6SCPT Alignment Plates are specifically designed to align UV to MIR beams in a cage-based optical assembly. These plates have concentric alignment ring engravings identical to the CPA1 (shown to the left) plate on the back. The fronts of the VRC1CPT, VRC2CPT, and VRC4CPT plates each include a Ø1/2" (Ø12.7 mm), non-rotating fluorescing alignment disk made of the same material used in our VRC1, VRC2, and VRC4 Viewing Cards, respectively. Alternatively, the front of the VRC6SCPT plate includes a Ø0.39" (Ø10.0 mm), non-rotating MIR alignment disk made of the same thermochromic liquid crystal material used in our VRC6S Viewing Card. The disk on the VRC1CPT, VRC2CPT, or VRC4CPT plate has a Ø1.5 mm hole centered on the plate's Ø0.9 mm hole, and the disk on the VRC6SCPT plate has a Ø2.0 mm hole centered on the plate's Ø0.9 mm hole.

Item #	Absorption Band	Emission Band	Sensitivity Graph	Minimum Detectable Power Density	Active Region Diameter	Alignment Features
VRC1CPT	250 - 540 nm	450 to 750 nm		N/A	1/2" (12.7 mm)	Ø0.9 mm Hole in Plate Ø1.5 mm Hole in Disk Center
VRC2CPT	400 - 640 nm, 800 - 1700 nm	~580 to 750 nm
VRC4CPT	790 - 840 nm, 870 - 1070 nm, 1500 - 1590 nm	~520 to 580 nm
VRC6SCPT	1.5 to >13.2 µm	N/A	N/A	0.05 mW/mm2 @ 1550 nm (22 °C)	0.39" (10.0 mm)	Ø0.9 mm Hole in Plate Ø2.0 mm Hole in Disk Center