Optical Element Testing
Introduction
ITRC has different kinds of optical inspection instruments that include spherometer, 12" interferometer, CGH interferometer, centering machine, centering/edging machine, precision optical bench, ultra-high power microscope, goniometer, autocollimator, and profilometer. For further information, please call and discuss your specific application with us.
Technology
- Measurement of Radius: φ 2 – 300 mm (Diameter), 2 mm – ∞ (Radius of curvature), accuracy ≤ 0.01%
- Measurement of Angle: measuring range 0° – 360°, accuracy 0.6"
- Measurement of Focal length: focusing range 10 – 450 mm, accuracy 0.3%
- Measurement of Parallelism: size ≤ φ 80 mm, accuracy < 3"
- Centering machine: machining size φ 5 – 200 mm, accuracy <10"
- Centering / edging machine: machining size φ 10 – 300 mm, accuracy < 10"
- CGH interferometer: testing size ≤ φ 150 mm, accuracy λ/4
Application
Focal length, center thickness, radius of curvature, surface texture, decenter, form accuracy, parallelism and angle
