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Precision rotation of components from new stages

A Newport Spectra-Physics product story
Edited by the Engineeringtalk editorial team Jan 31, 2002

A new series of Rotation Stages rotate 360deg in a precision bored bushing and provide precision rotation of components for laboratory, production, or industrial OEM applications

Newport's latest M-RS Series Rotation Stages provide precision rotation of components for laboratory, production, or industrial OEM applications.

These aluminum stages rotate 360deg in a precision bored bushing.

By tightening a thumbscrew on the side of the stage, the platform is tangentially driven by the precision actuator.

M-RS40 includes a BM11.5 micrometer, while M-RS65 is supplied without an actuator to allow the user to choose between a fine adjustment screw, micrometer, differential micrometer, or a motorized or electrostrictive actuator available in our Newport catalog of standard products.

Angular position is indicated by a graduated scale marked in 2deg increments and a vernier scale allows position readout to 6 arc min.

Rotation can be locked to prevent accidental adjustment and reduce drift by tightening a second thumbscrew on the side of the stage.

M-RS65 allows 1 in (25.4 mm) diameter linear polarizers, wave plates, calcite polarizers, and polarizing cube beamsplitters to be rotated with precision.

The inside diameter of the mount is threaded 1.063-20.

Two Delrin retainer rings are supplied to securely hold the optics.

Thin optics can be held with one retaining ring on each side of the optic.

The internal thread enables Newport calcite polarizers and CH Series cube beamsplitter holders, with the equivalent male thread, to be rotated in this stage.

The mounting hole pattern for M-RS40 is compatible with other 40 mm size components, while M-RS65 is compatible with optical tables.

A tapped hole is provided on the side for mounting these rotation stages vertically on a post.

The M-RS65 also includes a solid aperture insert with a centered clearance hole for on-axis mounting of components such as post holders.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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