Low Profile DC Motor Rotation Stages
Low Profile DC Motor Rotation Stages
The SR50 and PR50 compact rotation stages are designed to rotate optical components up to 1 inch in diameter such as polarizers, wave plates, or wedges. The small size allows use in confined spaces such as laser cavities, disk texturing machines, or manufacturing areas for fiber optical components. Utilizing a motor-mounted encoder, these closed-loop DC motor systems may provide more precision than open-loop stepper motors without an encoder.
- Compact, low-profile rotation stage for 1-inch diameter optics
- Proprietary ball bearings provide smooth motion with low wobble
- High speed (PR50) and high resolution (SR50) versions
- Plug and Play – ESP compatible See All Features
Compatible Controllers
Compatible motion controllers for these DC servo stages are:
- XPS-RLD Motion Controller (2 or 4 Axis): Requires an XPS-DRV11 Driver Module.
- XPS-D Motion Controller (2, 4, 6 or 8 Axis): Requires an XPS-DRV11 Driver Module.
- ESP302 Motion Controller (1, 2, or 3 Axis): Plug and Play compatible with ESP302 Motion Controller.
- SMC100CC Single Axis Motion Controller.
Specifications
Features
SR50 Series Stages
The SR50CC stage features minimum incremental motion of 0.004°. The DC motor is folded inside the stage body to give an extremely small footprint for a stage at this level of precision. The stage is equipped with a hardware origin, allowing the stage to return to a reference home position to within 0.01°. It can run in continuous rotation mode. Stepper motor version SR50PP is also available.
PR50 Series Stages
The PR50CC stage is a cost-efficient alternative to the SR50CC for applications that do not require the high-resolution and precision of the SR50, or for applications that could benefit from higher speeds up to 20°/s. This DC Servo stage features angular resolution of 0.02° and is equipped with a hardware origin, allowing for continuous rotation of 360°. Stepper motor version PR50PP is also available.
Vertical Mounting
The optional EQ45 bracket can be used for vertical mounting of a PR50 or SR50 stage.
CONEX Controller Versions
Newport also offers versions of the DC servo motor rotation stages with integrated CONEX motion controller. For out-of-the box control, the CONEX controller is preconfigured and delivered with the rotation stage.
Central Aperture
The central aperture of SR50 and PR50 stages is 1.063-20 threaded. Each stage is shipped with two retaining rings to allow mounting of any Ø25.4 mm diameter optics within the aperture. Four M3 holes allow for attachment of custom top plates.
Proprietary Ball Bearing Design
Metrology Report Included at No Additional Cost
Newport guarantees specification values which are measured and recorded following ASME B5.57 and ISO 230-2 standards. The typical performance values are two times better than the guaranteed specifications.
Accessories
Angle Bracket
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | EQ45 Right-Angle Bracket, PR50 and SR50 |
Resources
Application Notes
Computer Controlled Variable Attenuator for Tunable Lasers(861.7 kB, PDF)
Manuals
SR50 Rotation Stage User's Manual(1.2 MB, PDF) PR50 Rotation Stage User's Manual(1.2 MB, PDF)
