Table 1. Measured and calculated average period of the fringe contrasts.
| Fringe period (µm) | |||
|---|---|---|---|
| W | Fringe numbers | Measured | Calculated |
| −198.58 | 4 | 7.78 | 7.28 |
| −132.38 | 3 | 9.95 | 10.9 |
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