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  • International Optical Design Conference and Optical Fabrication and Testing
  • OSA Technical Digest (CD) (Optica Publishing Group, 2010),
  • paper OThB5
  • https://doi.org/10.1364/OFT.2010.OThB5

The Response of Pitch to Higher Frequency Vibrations

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Abstract

Two different grades of optical polishing pitch were subjected to steady state vibrations ranging from 50 Hz to 16 kHz. Accelerometers were used to measure the ratio of the accelerations put into the sample to those transmitted through the sample. Pitch grade does not significantly impact the transmittance of vibrations through the sample. Vibrations with frequency values below the sample’s resonance frequency are transmitted through, while vibrations at frequencies higher than the resonance frequency are attenuated.

© 2010 OSA, SPIE

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