Outline of the contents: Ih0GzyU*4
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1. Basic Interferometers for Optical Testing hGeRM4zVZZ
2. Phase-Shifting Interferometry 5cU8GgN`
3. Specialized Optical Tests P$bo8*
4. Long Wavelength Interferometry `*a,8M%
5. Testing of Aspheric Surfaces 7vFqO;
6. Measurement of Surface Microstructure 8
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7. Absolute Measurements 21qhlkdc
8. Concluding Remarks