Outline of the contents: dc)%5fV\
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1. Basic Interferometers for Optical Testing
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2. Phase-Shifting Interferometry 1#d2 +J*
3. Specialized Optical Tests KuJ)alD;1
4. Long Wavelength Interferometry ]?y~;-^
5. Testing of Aspheric Surfaces OJ&'Z}LB
6. Measurement of Surface Microstructure <2pp6je\0s
7. Absolute Measurements IC
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8. Concluding Remarks