Table of contentsInterferometry and Fringe Analysis
Outline
Motivation for Amateur Interferometry
Basic Principles of Interferometry
Common Interferometer Types
Spherical Wave Twyman-Green Interferometer
Spherical-Wave Fizeau Interferometer
Bath Interferometer (K-L Bath, 1972)
Bath Interferometer -- Reference Beam
Bath Interferometer -- Test Beam
Bath Interferometer -- Interference
Bath Interferometer -- Implementation (1)
Bath Interferometer -- Implementation (2)
Bath Interferometer -- Typical Interferogram
Astigmatism in the Bath Interferometer
Slide 16
FringeXP – Defining the Pupil
Slide 18
FringeXP – Tracing Fringes
Slide 20
Fringe Spacing
Calculating Zernike Coefficients
Zernike Functions
Slide 24
FringeXP – Viewing and Selecting Zernikes
FringeXP – Mirror Analysis
Artificial Nulling
Sources of Error
Slide 29
Mirrors Can Have Significant Asymmetric Structure
Imperfections at the Eyepiece
Topics for Further Study
Resources -- Materials
Resources -- Information
The End
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