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Table 1 The (Eoptical) and (n) by (ITM) and (DITM) for pristine and γ-irradiated Makrofol DE 1-1 samples

From: Electrical and optical properties of Makrofol DE 1-1 polymeric films induced by gamma irradiation

γ-irradiated dose, kGy

Eoptical (eV) by ITM Eq. (5)

Eoptical (eV) by DITM

Eq. (13)

Refractive index, n

ITM

Refractive index, n

DITM

Indirect

Direct

Indirect

Direct

0

4.20

4.35

4.40

2.13

2.105

2.09

1

4.18

4.33

4.35

2.14

2.108

2.10

10

4.08

4.25

4.30

2.15

2.123

2.11

100

3.96

4.16

4.20

2.17

2.139

2.13