14 Sep 2010 Lasertec BBO crystal is grown with flux technology The better internal quality of BBO is important as it has lower absorption,higher damage threshold,and better laser performance. Lasertec supplies crystal length from 0.01 to 20mm with various aperture and coating.
Angle tolerance: Δθ< ± 0.25°; Δφ< ±0.25°
Dimension tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: less than λ/8 @ 632.8nm
Wavefront distortion: less than λ/8 @ 632.8nm
Chamfer Chamfer: ≤0.2mm@45°
Scratch/Dig code: 10/5 per MIL-PRF-13830B
Parallelism: better than 20 arc seconds
Perpendicularity: 15 arc minutes
Chip <0.1mm
Clear aperture: > 90% central area
Inside quanlity: no visible scattering paths or centers when inspected by a 50mw green laser Quality Warranty Period one year under proper use
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