Deuterium Stabilized Gas Laser Tube from Mexico
Deuterium gas laser tubes provide stable UV output for spectroscopy using gas discharge excitation. The sealed tube contains deuterium at low pressure, classifying as a gas electron tube under HTS 8540.89.0020 despite laser application.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Distinguish from solid-state lasers; provide gas discharge excitation documentation
• Declare optical output wavelength to avoid optical element misclassification
• ITAR/EAR review needed for spectroscopy applications