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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If glass mirror not optically worked
Unmounted or unworked glass mirrors classify here instead of mounted versions for instruments.
If dedicated part of laser or sighting device
Parts solely for specific optical instruments like lasers fall under heading 9013 per chapter notes.
If for machines in section XVI
Optical elements for general machinery excluded by chapter note 1(g) and classified by constituent material.
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Import Tips & Compliance
• Verify optical coating specifications and mounting compatibility in documentation to confirm classification; obtain certificates of optical performance; avoid misclassification as unmounted elements under 9002.90.20
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.
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.
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.