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Optical Glass Metrology – Techniques / Limitations - Owens Design

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Overview of <strong>Optical</strong> <strong>Glass</strong> Measurement<br />

<strong>Techniques</strong> (aka “Microscopy”)<br />

: Laser Triangulation<br />

: Illumination and Contrast Methods<br />

- Confocal<br />

- AutoFocus<br />

- Bright Field Microscopy<br />

- Dark Field Microscopy<br />

- Kohler Illumination<br />

- Phase Contrast<br />

: Fluorescence Methods<br />

- Two Photon Excitation Microscopy<br />

- Multiphoton Excitation<br />

- Deconvolution<br />

: Sub-Diffraction Limit<br />

- Structured Illumination (Vertico SMI)<br />

- Near-Field<br />

: SICK AG: : BU02 side session: high end displacement<br />

Patrick Nutz 19.03.2009 4

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