5.3Integration Control ______________________________________________ 123
5.3.1Integration Operation ______________________________________________ 124
5.4Digital Camera Operations ________________________________________ 124
5.4.1Digital Camera Control _____________________________________________ 124
5.4.1.1Digital Camera Binning Effects __________________________________________ 124
5.4.1.2Digital Camera ROI Formating __________________________________________ 125
5.4.1.3Digital Camera Exposure Controls________________________________________ 125
5.4.1.4Digital Camera Triggering ______________________________________________ 125
5.4.1.5Digital Camera Gain and Black Level Control _______________________________ 126
Chapter 6 COMPUTATIONS _________________________________ 128
6.1Computational Accuracy __________________________________________ 128
6.2Numerical Formats ______________________________________________ 128
6.3Beam Presentation Affects Results__________________________________ 129
6.4Manual Background Energy Nulling _________________________________ 129
6.4.1What is Ultracal! __________________________________________________ 129
6.5Clip Level______________________________________________________ 130
6.6Total Energy ___________________________________________________ 130
6.7Percent in Aperture______________________________________________ 131
6.8Peak and Min __________________________________________________ 131
6.9Peak Location __________________________________________________ 131
6.10Centroid Location ______________________________________________ 131
6.11Beam Widths and Diameters _____________________________________ 132
6.11.1
6.11.2Knife Edge Method_______________________________________________ 133
6.11.3Percent of Energy Method _________________________________________ 134
6.11.4Percent of Peak Method___________________________________________ 134
6.12Elliptical beam ________________________________________________ 134
6.13Gauss Fit ____________________________________________________ 135
6.14Whole Beam fit equations _______________________________________ 136
6.15X/Y or Major/Minor line fit equations ______________________________ 136
6.16Deviation of Fit________________________________________________ 137
6.17Correlation of Fit ______________________________________________ 137
6.18Top Hat _____________________________________________________ 138
6.18.1Top Hat Mean and Standard Deviation _______________________________ 139
6.18.2Top Hat Minimum and Maximum intensities ___________________________ 139
6.19Top Hat Factor ________________________________________________ 139
6.20Effective Area and Effective Diameter______________________________ 141
6.21
6.21.1The Focal Length Method _________________________________________ 141
6.21.2The Far-Field Method_____________________________________________ 142
6.22Histogram____________________________________________________ 142
6.23Statistics_____________________________________________________ 143
6.24Frame Averaging ______________________________________________ 144
6.25Frame Summing_______________________________________________ 144
6.26Gamma Correction _____________________________________________ 145
6.27Convolution __________________________________________________ 146
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