International Journal of Optics / 2019 / Article / Tab 1

Research Article

Optical and Reflective Characteristics Measurement and Focal Length Calculation of a Hollow Tetrahedral Corner and a Solid Highly Retroreflective Cubes

Table 1

The number of Newton rings and focal length for each case individually.

N[m]= = [m]ND[mm] [μ]R[m2/str][m−1]f [m]

6.53602502.2501.2554.3-0.01222-81.81

5.54503122.0501130.9-0.0078-113

46005001.8500.75249.40.00834-119.7

39006251.5500.5499.4-0.0069-144

2180012501.14500.25999.4-0.0035-285

1250020001.0500.51999.5-0.0021-476

0.5360025000.5500.1254899.4-0.00172-580.6

0.3600045000.2500.0755749.4-0.00095-1052

0.196725054000.2500.055812-0.00078-1269

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