Anamorphic Prism Pair from Japan
Matched pair of wedge prisms used to circularize elliptical laser beams by differential expansion in orthogonal directions. Falls under HTS 9001.90.50.00 when imported as unmounted individual prisms. Common in laser diode collimation and beam shaping applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Import as individual prisms, not matched sets, to maintain unmounted status
• Specify wedge angles and apex orientation for beam expansion ratio calculation
• AR coating specifications essential for high-power laser transmission