Improved aperture for modulation transfer function measurement of detector arrays beyond the Nyquist frequency
Abbreviated Journal Title
modulation transfer functions; speckle; charge-coupled devices; CHARGE-COUPLED-DEVICES; LASER SPECKLE; GENERATION; Optics
The design of an aperture for the generation of laser speckle with a flat power spectrum covering a wide band of the measurement spatial-frequency range is presented. This aperture allows for the measurement of modulation transfer function (MTF) from zero to twice the Nyquist frequency of a two-dimensional detector array. This design mitigates many of the measurement problems inherent in other aperture designs. The MTF measurement of a CCD detector array is used to demonstrate the measurement technique and illustrate the advantages of the new aperture design. (C) 2008 Society of Photo-Optical Instrumentation Engineers.[DOI: 10.1117/1.2976798]
"Improved aperture for modulation transfer function measurement of detector arrays beyond the Nyquist frequency" (2008). Faculty Bibliography 2000s. 293.