These 1.5" wide cage cubes directly accept a 1" or 25 mm square optic, such as a beamsplitter cube or right-angle prism, with adapters available here for mounting a 5 mm (0.20"), 10 mm (0.39"), 12.7 mm (0.50"), or 20 mm (0.79") beamsplitter cube. The base of the cube has an 8-32 (M4) tap to attach to Ø1/2" Posts. Shown to the far right is a 12.7 mm (0.50") beamsplitter cube being mounted in the CCM1-4ER using the BS127CAM Beamsplitter Cube Adapter. Two cage cubes can be connected using ER rods and ERSCB Cage Rod Adapters.

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These Cage Cube-Mounted Turning Mirrors provide additional flexibility when building optical devices from our 30 mm cage system and SM1 lens tube products. The mounted turning mirrors are prealigned so that the reflected beam exits to within ±20 arcmin of 90º, which can reduce the time needed for aligning the mirror in a setup. For higher accuracy or more alignment flexibility, see our 90º turning mirror kinematic mounts. The turning mirrors are available with any of seven reflective coatings: UV-enhanced aluminum, protected aluminum, protected silver, protected gold, E02 broadband dielectric (400 - 750 nm), E03 broadband dielectric (750 - 1100 nm), or K13 Nd:YAG dielectric (532 nm and 1064 nm). A complete list of mirror specifications is provided on the Specs tab. Reflectance plots and data are provided on the Graphs tab.

The CM1-CC cage cube connector allows two or more CM1 or CCM1 style cubes to be connected as shown in the image to the right. The CM1 and CCM1 series of cage cubes, which are all compatible with this connector, include empty cubes, empty dichroic cubes, mounted beamsplitters, mounted penta prisms, and mounted turning mirrors. The CM1-CC cage cube connector includes four 4-40 button-head screws, two 4-40 flat-head screws, four washers, and a 1/16" hex key.

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A bottom-located 8-32 (M4) tapped hole is included for post mounting. The entrance and exit ports feature our SM1 (1.035"-40) threading for compatibility with Thorlabs' SM1 lens tubes (as seen in the photo to the right) and four 4-40 taps that accept our Ø6 mm cage rods. The mounted turning mirrors can be connected to other cage cubes through the use of our cage rods and ERSCB adapters, as shown to the far right. Please note that two turning mirrors cannot be connected using the CM1-CC Cage Cube Connector (available below) due to a lack of Ø6 mm cage rod holes on two sides of the cube. However, the CM1-CC can be used to attach the turning mirrors to other CM1 style cubes. Each mirror is epoxied within the cage cube and cannot be removed. However, empty 30 mm cage cubes are available below that are compatible with our line of unmounted Prism Mirrors. For a complete selection of our cube-mounted optics please see the Mounted Optics Guide tab.

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These plots show the reflectance of our -E02 (400 - 750 nm) and -E03 (750 - 1100 nm) dielectric coatings for a typical coating run. The shaded region in each graph denotes the spectral range over which the coating is highly reflective. Due to variations in each run, this recommended spectral range is narrower than the actual range over which the optic will be highly reflective. If you have any concerns about the interpretation of this data, please contact Tech Support. For applications that require a mirror that bridges the spectral range between the dielectric coatings, please consider a metallic mirror.

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Alignment PinsPlease note that because dowel alignment pins are used, the connector requires drilled holes on the cube face between the SM1-threaded (1.035"-40) ports. If you have an older cube and would like it updated to have alignment holes for free, please contact Technical Support. Alternatively, the alignment pins are press-fit inside their mounting holes, and can be pressed out for use with cubes that do not have these alignment holes.

The optic is clamped within the cube by tightening three 1.5 mm hex screws of a tension plate (see image to the right), allowing the user to replace the optic with any other compatible optic when necessary. The optic must sit flush against the three corners of the cube base. Do not overtighten the tension plate, this could damage the optic. The image to the right shows a penta prism mounted in a CCM1-4ER with the outer housing removed.

Two cage cube-mounted turning mirrors cannot be connected using the CM1-CC due to a lack of Ø6 mm cage rod holes on two sides of the cube.

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The table below provides links to all of our 30 mm Cage-Cube-Mounted optics. For our selection of 16 mm Cage-Cube-Mounted Optics, please see our 16 mm Cage Systems guide.

These plots show the reflectance of our Nd:YAG (532 nm and 1064 nm) dielectric coating for a typical coating run. Although there will be variations in the broadband reflectance from run to run, this optic is guaranteed to meet the reflectance specification at 532 nm and 1064 nm (see the table on the Overview tab). If you have any concerns about the interpretation of this data, please contact Tech Support.

We also offer the C4W-CC to connect two 2" wide 30 mm cage cubes. Both C4W-CC and CM1-CC cage cube connectors can be used to connect one 1.5" wide 30 mm cage cube, such as our CCM1-4ER(/M), with a 2" wide 30 mm cage cube.

The shaded regions in the graphs denote the ranges over which we guarantee the specified reflectance. Please note that the reflectance outside of these bands is typical and can vary from lot to lot, especially in out-of-band regions where the reflectance is fluctuating or sloped.