OPTICAL GLASS TESTING
AGI has a complete testing facility to ensure our optical glass blanks adhere to the high standards we set for ourselves. We operate in conformance with MIL-G-174, MIL-l-45208 and MlL-Q-9858. All materials are accompanied by a certificate of compliance. Melt data, test reports and measured refractive index values are available on request.
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Homogeneity Measurements - Zygo Interferometer, 12.0" aperture
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HIndex measurements - B&L Refractometer, index values to 1.85
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HDimensional Sizing - Helmel CMM, Checkmate, OGP SmartScope
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HStress Birefringence measurements - 4 polarimeters