SYMPOSIA PAPER Published: 01 January 1986
STP23103S

Picosecond Damage in Y O Stabilized Cubic Zirconia

Source

The hardness, strength, and transparency of cubic zirconia ZrO2 makes it a good candidate as a laser window material; however, to obtain these qualities a relatively large percentage of Y2O3 is added to stabilize the crystals and increase their mechanical strength. As impurities are often regarded as the initiators of laser-induced damage we have performed a study of the damage thresholds of optical quality ZrO2 stabilized with Y2O3. These thresholds have been measured with picosecond 1.06 μm laser pulses in crystals having Y2O3 concentrations of 9.4%, 12%, 15%, 18%, and 21%. We found that the addition of Y2O3 for increasing the mechanical strength of zirconia does not necessarily lead to a decrease in the damaging irradiance. In addition, the thresholds for ZrO2 are comparable to those of NaCl.

Author Information

Mansour, N
North Texas State University, Denton, Texas
Soileau, MJ
North Texas State University, Denton, Texas
Van Stryland, EW
North Texas State University, Denton, Texas
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Details
Developed by Committee: F01
Pages: 31–38
DOI: 10.1520/STP23103S
ISBN-EB: 978-0-8031-4997-7
ISBN-13: 978-0-8031-0960-5