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

Robert O. Gappinger; John E. Greivenkamp; Claudia Borman

doi:10.1117/1.1645258

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

Robert O. Gappinger, John E. Greivenkamp, Claudia Borman

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

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 language	English (US)
Pages (from-to)	689-696
Number of pages	8
Journal	Optical Engineering
Volume	43
Issue number	3
DOIs	https://doi.org/10.1117/1.1645258
State	Published - Mar 2004

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
General Engineering

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10.1117/1.1645258

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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.",

keywords = "Aliasing, High-frequency detector, Modulation transfer function testing, Non-null interferometer, Sparse array sensor, SubNyquist interferometry",

author = "Gappinger, {Robert O.} and Greivenkamp, {John E.} and Claudia Borman",

year = "2004",

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AU - Greivenkamp, John E.

AU - Borman, Claudia

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N2 - 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.

AB - 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.

KW - Aliasing

KW - High-frequency detector

KW - Modulation transfer function testing

KW - Non-null interferometer

KW - Sparse array sensor

KW - SubNyquist interferometry

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

Abstract

Keywords

ASJC Scopus subject areas

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