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Optical Table / Breadboard Bases for Cage System Plates
Mounting Base for 30 mm Cage Plates
Mounting Base for 60 mm Cage Plates
30 mm Cage Plate Mounted to an Optical Table Using the CPB1 Mounting Base
These bases allow 30 mm and 60 mm cage plates to be directly mounted to an optical table or optical breadboard surface via two 1/4" (M6) slots on 1" (25 mm) centers. Each base has a lip in order to prevent the rotation of the cage plate when subjected to a torque. The image to the right shows an CP08 cage plate mounted on a CPB1 base.
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 accomodate 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.
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.