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Fabry-Perot Interferometer Spacer from Canada

Precision invar spacer tube maintaining cavity length in Fabry-Perot laser spectrum analyzers. Falls under HTS 9013.90.70.00 as an optical instrument part.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Specify thermal expansion coefficient (1.2×10^-6/°C) proving precision function

Include finesse calculation data showing spacer criticality

Document material certification for dimensional stability