Analysis of the Noise Reduction Characteristics of a Diffuser with Fizeau Interferometry

Figure 13

Effect of the surface roughness on the noise contrast at different rotational speeds. (a) V = 10 r/s. (b) V = 20 r/s. (c) V = 30 r/s. (d) V = 40 r/s. (e) V = 50 r/s. (f) V = 60 r/s. (g) V = 70 r/s. (h) V = 80 r/s. (i) V = 90 r/s. (j) V = 100 r/s.

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