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Figure 7
Optical micrograph showing the gap between the two mirror surfaces. The measured gap was ∼7 µm near the mirror centre whereas the ideal gap should have been less than 5 µm. |
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Figure 7
Optical micrograph showing the gap between the two mirror surfaces. The measured gap was ∼7 µm near the mirror centre whereas the ideal gap should have been less than 5 µm. |