Fabry-Perot Interferometer from Mexico
Precision optical cavity with parallel mirrors for measuring laser wavelengths and fine spectra. HTS 9013.80.91.00 covers this as other unspecified optical instruments for spectroscopy. Not a scanning confocal microscope.
Duty Rate — Mexico → United States
14.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify free spectral range (FSR) and finesse values in technical literature
• Ensure vibration isolation specs if claiming research instrument status
• Classify mounts separately if generic, under parts rules