The Newport NRC URL-18 is an 18-inch precision optical rail engineered to provide a stable, accurate platform for optical component mounting. Built from aluminum with a precision dovetail construction, the rail delivers the rigid alignment and low-vibration performance required for laser experiments, optical system prototyping, and research applications demanding minimal deflection and repeatable positioning.
Technical Specifications
• Model: URL-18
• Manufacturer: Newport Research Corporation (NRC)
• Length: 18 inches (457.2 mm)
• Height: 9.5 mm
• Width: 19.1 mm
• Material: Aluminum
• Construction: Precision dovetail design
• Mounting Holes: 8-32 thread and 1/4-20 CLR (MRL-18M variant)
• Profile: Low-profile design
– Key Features
• Dovetail construction enables quick attachment and alignment without sacrificing rigidity.
• Spring-loaded MC Series carriers slide along the rail with wobble-free motion and maintain dependable linear alignment.
• Carrier positioning via clamping screw adjustment—no need to remove adjacent components during setup or adjustment.
• Modular design permits assembly of multiple rails in series for extended optical bench lengths.
• Compact 9.5 mm height integrates into space-constrained optical systems.
– Typical Applications
• Laser system alignment and testing
• Optical component mounting for R&D prototyping
• Precision optical bench construction
• Linear motion platforms requiring minimal vibration
– Compatibility & Integration
The URL-18 accepts MC Series rail carriers and mounts via 8-32 and 1/4-20 CLR fastening points. Rails assemble into compact, modular optical systems with in-line configurations. Spring-loaded carrier design ensures repeatable positioning across multiple rail setups.
