Outline of the contents: BK1I_/_!
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1. Basic Interferometers for Optical Testing 7n7UL0Oc1
2. Phase-Shifting Interferometry i93^E~q]
3. Specialized Optical Tests EZ[e
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4. Long Wavelength Interferometry ''}2JJU{
5. Testing of Aspheric Surfaces , 8o
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6. Measurement of Surface Microstructure "] ]aF1
7. Absolute Measurements o\X|\nUk
8. Concluding Remarks