Custom Optical Thin Film
Besides conventional coatings, 觉芯Email offers customized special coatings. Slab-crystal coatings face three challenges: full coverage of large/end faces to avoid temperature singularities, a flat ideal transition without cross-contamination between coatings, strong laser-damage resistance, and high-temperature-shock resistance for later metallization. At45° acute end edges, coating loss is microscopically<10μm; at135° obtuse edges it is<50μm, with no obvious missing regions. Threshold is>18J/cm² at1064nm,3ns. AF means Anti-Fingerprint, offering fingerprint/stain resistance and easy cleaning. Surface energy determines adhesion, wetting and penetration and can be derived from contact angleθ: smallerθ means higher energy/more wetting; largerθ means lower energy/nonstick, easy-clean surfaces. The company's hydrophobic coatings preserve spectral requirements with water contact angle>115°.
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