SN0203 8" f/5.8

      	Obsidian Optics Mirror Test - 7/10/02

          Comments: SN0203 Creamer 8" f/5.8 
   Optical diameter: 7.85
Radius of curvature: 90.81
                f/D:  5.78
   Diffraction disc: 0.000152422

	ZONE                1          2          3          4          5      
	h(x)              1.5700     2.3800     3.0000     3.5000     3.9300
	h(m)              0.7850     1.9750     2.6900     3.2500     3.7150
	hm**2/R           0.0068     0.0430     0.0797     0.1163     0.1520
	hm/4f             0.0043     0.0109     0.0148     0.0179     0.0205
	Diam1             0.0600     0.0920     0.1250     0.1580     0.2060
	Diam2             0.0720     0.1040     0.1400     0.1800     0.2210
	Diam12            0.0660     0.0980     0.1325     0.1690     0.2135
	D12 -  0.0574     0.0086     0.0406     0.0751     0.1116     0.1561
	Lambda c          0.0018    -0.0024    -0.0046    -0.0047     0.0041
	Lambda f * 1e5      0.78      -2.56      -6.79      -8.43       8.43
	Lambda f / rho     0.052     -0.168     -0.445     -0.553      0.553
	u * 1E6            -0.17       0.56       1.49       1.86      -1.86
	Wavefront           0.00       0.08       0.62       1.17       0.00
		Reference parabola: y = 0.116547 * x**2 + -0.558706
		passing through (  1.57,  0.00) and (  3.93,  0.00)

Arithmetic wavefront error = 1 / 18.4 wave at zone 4 (average both diameters)

Results for individual sets of readings:
	Reading Diam1: 1 / 15.8 lambda, Max Trans Aberration=0.77
	Reading Diam2: 1 / 19.4 lambda, Max Trans Aberration=0.49

 
 

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