Detailed Product Description Ti:sapphire crystal Ti:sapphire lasers (also known as Ti:Al2O3 lasers, titanium-sapphire lasers, or simply Ti:sapphs) are which emit ... the , a crystal of (Al2O3) that is doped with . A Ti:sapphire laser is usually with another laser with a wavelength ... .5 nm) and , , and lasers (527-532 nm) are used. Ti:sapphire lasers operate most efficiently at wavelengths near 800 nm.