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8 Optical Adhesive Specifications That Matter in Diffractive
Optical adhesive specifications determine whether a diffractive waveguide can deliver stable coupling, low haze, and durable optical performance. The most important factors are refractive index, transmission, viscosity, cure behavior, shrinkage,…When to Consider Custom Nanoimprint Adhesive Formulations
Custom nanoimprint adhesive should be considered when standard materials cannot meet the required viscosity, curing behavior, residual layer control, optical performance, substrate compatibility, or production window. The strongest case is…How to Choose the Right Refractive Index for
The right refractive index for a low refractive index adhesive depends on the optical stack, the substrate pair, and the target light path. In practice, refractive index selection should match…
