The OptoTL-250 interferometer is designed for non-contact technological testing of the shape accuracy (N / ΔN) of optical polished flat surfaces up to 250 mm in diameter, distortion of the passing wavefront of plane-parallel and wedged windows.
Parameter | Value |
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Optical scheme | Fizeau |
Arrangement of the optical axis of the control circuit | Vertical |
Type of surfaces to be inspected |
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Test surface shape | Plane |
Reflectivity of controlled surfaces | 1-99% |
Optical zoom, times | 6 |
Diameter range:
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25 mm - 250 mm |
Measurement error, P-V | λ / 10 |
Maximum measurable deviation | 5λ |
Limits of measurement of wedge shape of transparent windows (depending on the diameter), sec | 120 |
Measurement error of wedge shape of plane-parallel windows, no more, sec | 0.5 |
Main radiation source | Single frequency laser module 633 nm |
Additional radiation source (optional) | Laser module 633 nm |
Device weight, no more, kg | 350 |
Dimensions:
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