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Fourier Optics I. Spatial Frequency Filtering

  • Ajoy K. Ghatak
  • K. Thyagarajan
Part of the Optical Physics and Engineering book series (OPEG)

Abstract

We will show in this chapter that the amplitude distribution in the back focal plane of an aberrationless lens is the Fourier transform* of the amplitude distribution in the front focal plane. This remarkable property has many interesting applications and forms the fundamental principle underlying the subject of spatial frequency filtering.

Keywords

Spatial Frequency Focal Plane Field Distribution Amplitude Distribution Spherical Wave 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Ajoy K. Ghatak
    • 1
  • K. Thyagarajan
    • 1
  1. 1.Indian Institute of TechnologyNew DelhiIndia

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