Dichroic Beam Splitter Mirror
A thin-film dichroic mirror mounted on a substrate for separating wavelengths in fluorescence microscopes or multi-laser systems. It qualifies for HTS 9002.90.40.00 as a specialized mounted optical element for apparatus in this chapter.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for lasers or similar apparatus
Parts for heading 9013 apparatus like lasers take precedence per chapter part note (a).
If not optically worked rear-surface mirrors
Simple glass mirrors without optical working or mounting excluded and classify under glass chapter.
If with electrical encoding features
If incorporating electrical components for alignment, it shifts to electrical machinery headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide wavelength-specific reflectivity data; label as 'optical instrument fitting'; check for dual-use restrictions on high-precision optics
Related Products under HTS 9002.90.40.00
Fiber Optic Coupler Mirror
A 45-degree mounted mirror for coupling free-space beams into single-mode fibers in telecom test equipment. HTS 9002.90.40.00 as mounted optical element for fiber inspection apparatus.
Holography Reconstruction Mirror
A phase-conjugated mirror mounted for wavefront reconstruction in holographic interferometry setups. Falls under HTS 9002.90.40.00 for mounted use in specialized optical recording apparatus.
Schlieren Imaging Mirror
A large parabolic mirror pair mounted for flow visualization in schlieren wind tunnel imaging systems. Classified HTS 9002.90.40.00 as mounted optics for aerodynamic research apparatus.
Beam Expander Mirror Set
Two concave-convex mirrors mounted in a barrel for expanding laser beams in material processing optics. HTS 9002.90.40.00 for mounted mirrors as fittings for optical apparatus.
Mounted Dielectric Laser Mirror
A high-reflectivity dielectric mirror mounted in a precision optical holder, designed for use in laser cavities or beam steering systems within scientific instruments. It falls under HTS 9002.90.40.00 as a mounted optical mirror that is a part or fitting for optical apparatus, excluding unworked glass mirrors.
Precision Aluminum Coated Mirror Mount
An aluminum-coated front-surface mirror securely mounted in an adjustable kinematic mount for alignment in interferometers or spectrometers. Classified under HTS 9002.90.40.00 as a mounted mirror fitting for optical instruments, distinct from simple reflective glass.