Outline of the contents: }.u[';q]S
vWW Q/^
1. Basic Interferometers for Optical Testing RYl{89
2. Phase-Shifting Interferometry \k$cg~
3. Specialized Optical Tests o8g]ho
4. Long Wavelength Interferometry ^^V+0 l
5. Testing of Aspheric Surfaces , iEGf-!k
6. Measurement of Surface Microstructure +pUYFDwFx
7. Absolute Measurements od@!WjcM[8
8. Concluding Remarks