Table 2 Fitting parameters for Eq. (1).

From: Investigating the link between a layer thickness and surface relief depth in an azo poly(ether imide)

Sample No

A

τA (s)

B

τB (s)

PI-Az-2

0.3

520

0.29

10,500

PI-Az-3

0.68

490

2.3

9300

PI-Az-4

1.2

1400

5.7

13,050