Polarizer Holders

Polarizer Holders

The most common requirement for polarizers is to rotate them about the optical axis. Sometimes it is only necessary to set them at the correct orientation but in some applications, it is necessary to rotate the polarizer during use. Our polarizer holders are available in two configurations. Micrometer driven polarizer holders offer high precision adjustment for the most demanding polarization rotation applications. The micrometer drive version provides continuous 360-degree coarse adjustment and 10 degrees of fine micrometer adjustment. Lever type polarizer rotators are suitable for less precise applications. Simply grasp the lever protruding from the side of the holder to rotate and set the polarizer angle, while maintaining the axis on the optical centerline. Once in place the angle can be locked by using the clamp screw. Both types of holders are offered for 20, 30 and 50mm diameter polarizers or waveplates. Adapters are available for most common mica and calcite polarizers. The base of the holder is threaded 8-32 or M4 for use with our post and post holder or pedestal base mounting systems.

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