Phase Measuring Interferometer
Advanced optical instrument for phase map measurement of optical surfaces and wavefront analysis. High-precision metrology equipment under HTS 9031.49.9000 for optics manufacturing quality control.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If interference microscopes for surface observation
Microscopic examination instruments classified in 9013.
If specifically optical flatness measurement
More specific provisions exist for certain optical measuring applications.
If multi-function optical test stations
Complex optical testing systems combining multiple functions may classify differently.
Not sure which classification is right?
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Import Tips & Compliance
• Specify phase resolution (nm RMS), aperture size, and interferogram sampling
• Include reference flat/cgp specifications and coating compatibility
• Document vibration isolation requirements and environmental controls
Related Products under HTS 9031.49.90.00
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