Fitting Drude-Lindhard parameters for Al2O3
i ai ωpi γi

1

1.0262E-01

0.108

0.009

2

2.0420E-01

0.117

0.012

3

1.6040E-02

0.118

0.014

4

-5.2150E-02

0.133

1.184

5

1.2037E-01

9.161

10.188

6

-1.0039E-01

9.202

2.785

7

9.7360E-02

9.316

2.703

8

-1.1789E-01

9.408

10.468

9

-1.3154E-01

9.873

11.076

10

1.1883E-01

10.151

10.947

11

-5.0230E-02

13.984

7.038

12

-2.3329E-01

14.420

16.613

13

5.5870E-02

14.519

6.943

14

1.0777E-01

16.806

10.319

15

-1.9940E-02

18.006

7.547

16

1.5920E-02

18.827

4.457

17

-1.0940E-01

19.889

9.040

18

-1.8884E-01

22.857

9.060

19

1.3904E-01

24.110

11.265

20

1.7165E-01

25.073

4.809

21

4.5961E-01

28.535

18.062

22

1.0041E-01

43.878

28.916

23

2.9967E-01

49.779

59.963

24

-4.5850E-02

79.400

7.159

25

9.0000E-02

80.195

4.980

26

-4.6450E-02

80.473

4.084

27

-9.3100E-03

87.094

115.451

28

3.3590E-02

97.090

79.146

29

1.1461E-01

106.461

70.379

30

-2.9790E-02

116.759

33.953

31

-2.2480E-02

139.255

59.588



References of fitted experimental data for Al2O3

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

0.007-0.02

n, k

E. Russell and E. Bell, J. Opt. Soc. Am. 57, 543 (1967)
E. Loewenstein et al., Appl. Opt. 12, 398 (1973)
W. Cook and S. Perkowitz, Appl. Opt. 24, 1773 (1985)

0.02-0.12

n, k

F. Gervais and B. Piriou, J. Phys. C: Solid St. Phys. 7, 2374 (1974)

0.3-8

n

T. Tomiki et al., J. Phys. Soc. Jpn. 62, 1372 (1993)
M.A. Jeppesen, J. Opt. Soc. Am. 48, 629 (1958)

0.3-8

k

Interpolation

8-42

n, k

T. Tomiki et al., J. Phys. Soc. Jpn. 62, 1372 (1993)
R. French et al., J. Am. Ceram. Soc. 81, 2549 (1998)

42-118

n, k

T. Tomiki et al., J. Phys. Soc. Jpn. 62, 1372 (1993)

118-142

n, k

R. French et al., J. Am. Ceram. Soc. 81, 2549 (1998)