SYMPOSIA PAPER Published: 01 January 1988

Laser-Induced Damage to Titanium-Doped Sapphire Using 532 nm Wavelength Pulses of 10 ns Duration


Preliminary laser exposure tests of uncoated, polished titanium-doped sapphire from Union Carbide Corporation are reported. The measured surface damage thresholds varied from ∼3 to ∼14 J/cm2, depending on surface finish and sample orientation. The dependence on orientation is not correlated with crystallographic direction. A strong dependence on doping level was not observed. Well polished samples failed by pitting of the surface. On one sample, internal damage was also observed at fluences as low as 7 J/cm2.

Author Information

Seitel, SC
DeShazer, LG
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Developed by Committee: F01
Pages: 65–69
DOI: 10.1520/STP18537S
ISBN-EB: 978-0-8031-5032-4
ISBN-13: 978-0-8031-4477-4