laser laser laser-crylink.com Ti Sapphire Crystal Case 2 — Brewster Angle Cut, Φ4*20mm Laser-CryLink May 7, 2021 Ti:Sapphire Crystal, parallel double brewster angle: 60.4 ° ± 0.5 ° , Size: Φ4*20mm, Absorption coefficient: 2.3cm-1,