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NIST Authors in Bold
|Author(s):||Chu-Shik Kang; Ulf Griesmann; Johannes A. Soons;|
|Title:||Measurement of the diameter variation and refractive index inhomogeneity of a fused silica sphere using four-surface phase-shifting interferometry|
|Published:||September 09, 2012|
|Abstract:||The diameter variation and refractive index inhomogeneity of a fused silica sphere were measured with a frequency-shifting Fizeau interferometer in a four-surface configuration. The phase-shifting algorithms to analyze the interference signals for each basic cavity were designed using the characteristic polynomial theory. We describe the experimental setup and preliminary results.|
|Proceedings:||XX IMEKO World Congress; Metrology for Green Growth|
|Dates:||September 9-14, 2012|
|Keywords:||phase-shifting interferometry, characteristic polynomial, sphere measurement, diameter variation, refractive index inhomogeneity|
|Research Areas:||Measurement Solutions, Instrumentation|