High-modulation camera for use with a non-null interferometer

Robert O. Gappinger, John E Greivenkamp, Claudia Borman

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

High-frequency fringe patterns found in non-null interferometric testing of aspheres require the use of special detector arrays containing small, widely spaced pixels. A sparse array camera with the ability to detect high spatial frequencies has been developed. The modulation transfer function (MTF) of the camera is measured using a sinusoidal fringe pattern generated by a Mach-Zehnder interferometer. Spatial frequencies up to 400 cycles/mm are generated and used to characterize the MTF of the camera.

Original languageEnglish (US)
Pages (from-to)689-696
Number of pages8
JournalOptical Engineering
Volume43
Issue number3
DOIs
StatePublished - Mar 2004

Fingerprint

Interferometers
interferometers
Cameras
cameras
Optical transfer function
Modulation
modulation transfer function
modulation
diffraction patterns
aspheric optics
Mach-Zehnder interferometers
Pixels
pixels
Detectors
cycles
detectors
Testing

Keywords

  • Aliasing
  • High-frequency detector
  • Modulation transfer function testing
  • Non-null interferometer
  • Sparse array sensor
  • SubNyquist interferometry

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

High-modulation camera for use with a non-null interferometer. / Gappinger, Robert O.; Greivenkamp, John E; Borman, Claudia.

In: Optical Engineering, Vol. 43, No. 3, 03.2004, p. 689-696.

Research output: Contribution to journalArticle

Gappinger, Robert O. ; Greivenkamp, John E ; Borman, Claudia. / High-modulation camera for use with a non-null interferometer. In: Optical Engineering. 2004 ; Vol. 43, No. 3. pp. 689-696.
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