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Lens Processing

Various optical elements can be provided.Includes optical glass lenses, optical prism, cylindrical lenses, and other laser optical components.Our vertical integration methods include polishing glass processing, rotation, double-sided and MRF polishing, and a film coating of BBH's proprietary .These highly refined processing capabilities have made BBH the world's recognized optical manufacturer of meter-level .BBH in the big, medium, small spherical lens, microsphere lens, plane lens are very good.

Material: BK7, UV Fused Silica
Shape: Circular, Square, Elliptical
Flatness: λ/10, λ/4, λ/2, 2λ per 25mm.
Parallelism: 10 arcsec, 3 arcmin
Wedge: 0, 30 arcmin, 1°, 2°, 3°
Prism Feature:
Size：3*3～60*60
Size tolerance：±0.01
90 tolerance：3″～5″
Other angle tolerance：1′
△N：λ/4
Roughness:20-10
Abrasiveness:40-224
Grind: outter diameter: Φ1.5-100mm 0.01mm R: R2mm-∞ 0-3 diaphragm center thickness: 0.5-12mm ±0.03mm △N: 0.2 stage of wear: 40-447.
Coring: eccentricity 10″ D type,H type,Z type, etc
Coating: single layer anti-reflect film;wide band reducing reflecting film（400-720nm , Rave＜0.8%) infrared cutting off film（Tave≥88%, Rave≤1%) reflect film; eliminate partial vibration separating light film; all types of cutting off light tinted flim
There is the specialist crystal technology: from cutting, polishing, flatness technology, cleaning, coating, combining technology…
Angle cutting tolerance improving from +/-0.3’ to +/-0.1’; thickness tolerance improving from +/-0.05 TO +/- 0.025mm, and cutting speed improving from 1.2mm/H to 9mm/H, all by ourself-made Multi-cutting machine.
The flatness technology can let the 4 angle and 8 sides be polishing at the same time. And the quality improving about 50%;

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