Fitting Drude-Lindhard parameters for Al
i ai ωpi γi

1

2.9300E-03

0.813

0.940

2

-4.9900E-03

0.945

1.192

3

9.3704E-04

1.522

0.315

4

-3.0990E-02

11.174

11.216

5

-2.5350E-02

12.191

3.737

6

-8.5070E-02

14.065

2.651

7

-1.9909E-01

14.745

0.825

8

1.5960E-02

14.995

0.173

9

1.1511E+00

15.055

0.642

10

1.2396E-01

15.326

3.990

11

-3.8390E-02

15.387

0.417

12

5.2120E-02

20.702

22.135

13

-5.6400E-03

67.325

24.562

14

-4.1357E-04

68.585

5.266

15

3.3784E-04

71.508

1.783

16

-1.8100E-03

71.979

3.322

17

3.6220E-05

72.834

0.161

18

4.1096E-04

73.351

1.130

19

2.2000E-04

74.411

1.745

20

2.7500E-03

76.052

9.337

21

2.1698E-04

84.213

7.937

22

-1.8965E-04

89.100

5.882

23

3.8323E-04

95.478

5.911

24

2.0810E-02

97.488

36.751

25

-1.3200E-03

103.921

9.628

26

4.4200E-03

124.587

30.606

27

1.1100E-03

156.608

28.163

28

1.5310E-02

183.762

191.591

29

-1.5698E-04

332.621

163.005

30

-8.7346E-05

598.766

608.087

31

-2.8239E-05

1084.570

1076.833

32

4.7870E-07

1355.354

119.496

33

-1.0556E-05

1425.362

366.928

34

-3.7998E-06

1535.273

107.122

35

2.4184E-06

1600.367

58.001

36

7.7090E-07

1656.554

71.450

37

1.8476E-05

1690.383

439.734

38

1.9606E-05

2009.066

1166.710

39

2.8392E-06

2820.192

2010.885

40

1.7610E-07

4134.328

2772.236

41

-8.2930E-07

4437.856

11297.628

42

4.0000E-10

10847.760

3.027

43

-9.0000E-10

98275.210

31464.432



References of fitted experimental data for Al

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

0.04-75

n, k

E. Shiles et al., Phys. Rev. B 22, 1612 (1980)

75-30000

n, k

B.L. Henke et al., At. Data Nucl. Data Tables 54, 181 (1993).