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Opto-Alignment - Model QuickPRO-CUBE MINI -High-Speed Optical Metrology System
The QuickPRO-CUBE by Opto-Alignment Technology, Inc. is a sophisticated optical metrology system designed for precise factory-floor quality assurance of optical components. It utilizes dual single-point, non-contact, nanometer-resolution chromatic confocal sensors integrated with high-speed X/Y/Z coordinated motion to provide 3D point cloud topography of both the front and back surfaces of lenses. The system can measure both rotationally symmetric and complex freeform optical shapes, with a maximum measurement diameter of 50mm, extendable to up to 75mm. The measurement process varies from 30 to 240 seconds per surface, dictated by lens diameter and density of 3D sampling. The system's compact design is built on a vibration-insensitive Invar frame, equipped with advanced features like magnetic linear motors for precise motion control and user-friendly software for data acquisition and analysis including CalcuSurf-3D™.
By integrating a pair of single-point, non-contact, nanometer-resolution chromatic confocal sensors with high-speed, nanometer-encoded X/Y/Z coordinated motion, the QuickPRO-CUBE™ captures simultaneous front, back and datum surface 3D point cloud topography for the geometric characterization of single lenses or micro lenses in trays. The form invariant motion architecture permits measurement of both rotationally symmetric and more complex non-axially symmetric or freeform shapes to a maximum measurement diameter of 50mm (up to 75mm OD). The total measurement time is from 30sec to 240sec per surface per lens, depending on the lens diameter and 3D point cloud sampling density.
Measured geometric parameters include:
- Front-to-Back surface Vertex Offset relative to defined centration datum
- Front-to-Back surface Wedge Angle relative to defined tilt datum
- Front-to-Back Total Thickness variation (TTV) and Center Thickness (CT)
- Front and Back surface Sag/Form error
SYSTEM CHARACTERISTICS
- Compact, bench-top unit with environmental enclosure
- Dual single-point, non-contact, visible-light, chromatic confocal sensors with 8kHz combined measuring rate
- Vibration insensitive and dimensionally stable Invar metrology frame
- Nanometer encoded X/Y/Z coordinated motion with magnetic linear motors and cross roller bearings for fast raster or spiral scanning over 50mm (X), 50mm (Y), 50mm (Z)
- Self-centering fixture with precision quick connect for fast load/unload
- Fixtures for both single optical components (up to 75mm OD) and micro-lens trays
- User-friendly QuickPRO™ instrument control and data acquisition software for sensor optimization, auto-centering, data capture and coordinated motion sequencing
- CalcuSurf-3D™ view and analyze software for multi-surface 3D point cloud data
APPLICATIONS
The CUBE is specifically designed for factory-floor QA of polished, molded, or diamond turned optical components, including optically opaque infrared materials and metals. An added advantage is the ability to measure multiple smaller lenses in-tray or lens arrays during a single measurement sequence.
