Thorlabs offers the Optical-Grade Epoxy and Optically Clear Double-Sided Adhesive Tape. Thorlabs also carries standard epoxies and adhesives.
Global Optic Adhesive Market Size, Share, Forecasts to 2032
Glued diffraction optical elements with broadband and a large field of view
These are authentic Norland NOA61 optical adhesive in 1cc or 3cc bottles. I recommend a 365-395nm UV light source (the higher the wattage the faster
Norland NOA61 Optical Adhesive 365nm UV Cure
Optic Adhesives Market, Global Industry Size Forecast
Opti-tec 5001 Optical Epoxy Adhesive - Intertronics
Optical Adhesive 1622H, Norland Products Inc., Adhesives, Optical Fabrication Accessories, Photonics ProdSpec
Optical Adhesive Materials by Dowsil (Dow Corning)
Enhancing Optical Clarity: UV Curing Optical Adhesive in Display Technology - Electronic Adhesive Manufacturer
Optical Adhesives and Sealants
Video on Adhesives for Optical Applications
HIGH PERFORMANCE OPTICAL ADHESIVE Product Data Sheet
General Adhesives
UV-LED Cured Silicone Liquid Optical Adhesive Material Bulk
OPTICAL
LINQTAPE OCA, Optically Clear Adhesive film for bonding optical components