Spatial Light Modulator
Liquid crystal array modulating laser wavefront phase/amplitude for beam shaping. HTS 9013.80.91.00 covers as other optical appliances for adaptive optics. Not display LCDs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as part for other 9013 optical instruments
Parts dedicated to 9013 apparatus classify with them per note 2.
If LCD capability without optical modulation specification
LCD modules primarily for display classify under chapter 85.
If with beam profiling measurement function
Measuring optical instruments prioritize 9031 classification.
Not sure which classification is right?
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Import Tips & Compliance
• Document pixel pitch, modulation speed, and laser damage threshold
• Driver electronics may classify separately under chapter 85
• Research institution end-use declarations
Related Products under HTS 9013.80.91.00
He-Ne Laser Tube
A helium-neon gas laser tube used in scientific instruments for alignment and interferometry. It generates a continuous visible red laser beam and falls under HTS 9013.80.91.00 as a laser other than laser diodes, not specified elsewhere. This classification covers standalone optical appliances for precision applications.
Holographic Interferometer
An optical instrument using lasers to measure surface deformations and vibrations via holography. Classified in HTS 9013.80.91.00 as other optical appliances not elsewhere specified, distinct from basic telescopes or measuring tools. Ideal for non-destructive testing in engineering.
Optical Spectrum Analyzer
A device that analyzes the optical spectrum of light sources using diffraction gratings and detectors. It qualifies under HTS 9013.80.91.00 for other optical instruments not specified elsewhere, used in photonics R&D. Excludes electrical spectrum analyzers.
Laser Beam Profiler
An instrument using CCD cameras and optics to measure laser beam intensity profiles and quality (M² factor). Falls under HTS 9013.80.91.00 as other optical appliances for laser characterization. Not a general measuring telescope.
Schlieren Imaging System
Optical setup with parabolic mirrors and knives to visualize air flow and shock waves via density gradients. Classified HTS 9013.80.91.00 for other optical instruments in aerodynamic research. Excludes machine vision systems.
Fabry-Perot Interferometer
Precision optical cavity with parallel mirrors for measuring laser wavelengths and fine spectra. HTS 9013.80.91.00 covers this as other unspecified optical instruments for spectroscopy. Not a scanning confocal microscope.