Table 1.

The loss of absorption efficacy with contact surface amplitude oscillation (waviness).

Surface amplitude	Average surface absorption
0.0	0.8888
0.1	0.8879
0.2	0.8808
0.3	0.8675
0.4	0.8507
0.5	0.8327
0.6	0.8126
0.7	0.7878
0.8	0.7679
0.9	0.7485
1.0	0.7315