06 Feb 2009 Ultrathin BBO crystals of thickness down to 10 microns with protective hard (IBS) AR coating are available. EKSMA OPTICS offers BBO crystals of thickness down to 10 microns for frequency conversion of femtosecond lasers. Crystals of thickness less than 100 µm are supplied optically contacted on UV grade Fused Silica substrates with sizes 10×10×2 mm or 12×12×2 mm. Other sizes of substrates are also available on request. The tolerance of BBO crystal thickness on substrate is +10/-5 µm. Crystals can be protective coated with single layer non dispersive in VIS range AR coating, which could be optimized for particular crystal application.
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