A simple, ultrasonic method for non-destructively testing commercial optical grinding tools is demonstrated, with results compared to a material database collected for diamond composite tool materials. The ultrasonic wave-speed strongly correlates with other properties.
© 2008 The Optical Society
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4610) Optical design and fabrication : Optical fabrication
(350.0350) Other areas of optics : Other areas of optics
(350.3850) Other areas of optics : Materials processing
Y. Wu and P. Funkenbusch, "Non-Destructive Evaluation of Diamond Tool Materials for Optical Manufacturing Applications," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OThC1.