BBO crystal case (3) – 4×4×20 mm

Requirements

Process Indicators

• Size: 4*4*20mm, z-cut
• AR/AR@1030nm, R<0.1%
• Electrodes on X faces (with Au/Cr electrodes.)
• Ends 0/0 deg
• Length between electrodes: 4.0 +0.0/-0.2 mm
• Length between grinded sides: 4.0 +/-0.1 mm
• Length tolerances: +0.5/-0.2mm
• Orientation tolerances: +/-30 arcmin
• Surface Quality: 10-5 s/d
• Surface flatness: L/8@633nm
• Wavefront distortion: Better than L/8@633nm
• Parallelism: better than 30 arcsec
• Perpendicularity: better than 10 arcmin
• Contrast without voltage: better than 1:1000
• Coating on both 4*4 mm sides: AR<0.1% @1030nm
• Electrodes on both X 4*20 mm faces
• Electrodes as close to 4 mm side as possible. Not more than 0.5mm
• No gold on chamfers
• Damage threshold: >7J/cm²@1064nm, 10ns,10HZ