Modern Observational/Instrumentation Techniques Astronomy 500

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Presentation transcript:

Modern Observational/Instrumentation Techniques Astronomy 500 Andy Sheinis, Sterling 5520,2-0492 sheinis@astro.wisc.edu MW 2:30, 6515 Sterling Office Hours: Tu 11-12

Fourier Transform Review

Fourier Transform Relations

Fourier Transform Relations

Useful Transforms Tophat

Useful Transforms sinc

Useful Transforms Gaussian

Fraunhofer (far-field) diffraction

examples

examples

Fresnel (near-field) Diffraction

Optical Transfer function

Alternative definitions

Alternative definitions

Alternative definitions

Alternative systems

Doing Fourier Transforms in your head

Doing Fourier Transforms in your head

Convolution

Convolution

properties