d(cm)

P_MPP (mW∙cm⁻²)

S_f (10^m cm∙s⁻¹)

η (%)

3.5

20.834

4.5

24.5

3

20.851

4.5

24.5

2.5

20.878

4.4

24.5

2

20.919

4.4

24.6

1.5

20.987

4.4

24.7

1

21.114

4.4

24.8

0.5

21.477

4.3

25.2