Brewster Prism from Japan
A prism cut at Brewster's angle to minimize reflection losses when used at specific polarization for laser cavities. Classified under HTS 9001.90.50.00 as an unmounted dispersion prism optimized for p-polarized light transmission. Provides both dispersion and polarization selection in tunable lasers.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify Brewster angle precision and material refractive index data
• Polarization extinction ratio testing required for laser applications
• High transmission coating specifications mandatory for cavity use