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Wollaston Prism from Canada

A birefringent prism composed of two calcite prisms cemented together to separate orthogonally polarized light beams. Falls under HTS 9001.90.50.00 as an unmounted optical prism for polarization applications in microscopy and ellipsometry. Produces widely separated ordinary and extraordinary beams for polarimetric analysis.

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

Include birefringence specifications and beam separation angle data for verification

Canada balsam cement specifications required for multi-material prisms

Handle with extreme care; cement interface highly susceptible to delamination