Fitting Drude-Lindhard parameters for C
i ai ωpi γi

1

1.0210E-02

0.012

0.457

2

8.4230E-02

0.054

1.632

3

1.1070E-02

0.063

0.438

4

-5.9700E-02

0.081

2.624

5

8.1740E-02

0.132

0.743

6

-3.4490E-02

0.294

2.464

7

5.3840E-02

0.325

33.828

8

-4.2390E-02

0.442

0.992

9

1.4000E-03

0.685

0.421

10

1.5600E-03

1.359

0.002

11

1.3255E-01

2.010

20.725

12

2.0632E-01

3.466

4.988

13

6.3410E-02

3.674

3.274

14

6.0000E-03

4.044

0.981

15

1.1222E-01

5.763

2.401

16

-3.4599E-01

5.824

7.680

17

2.3776E-01

5.883

4.267

18

6.1849E-06

6.801

0.004

19

-1.8708E-01

7.488

6.193

20

1.8298E-01

8.957

5.917

21

-1.8622E-01

9.249

7.327

22

-2.2849E-01

21.993

15.960

23

2.6760E-02

24.735

7.061

24

9.6225E-01

27.095

16.971

25

1.6400E-03

38.444

5.592

26

-3.6897E-04

45.048

3.051

27

1.4500E-03

48.875

4.053

28

-9.5300E-03

49.693

5.219

29

-1.5800E-03

49.908

2.391

30

7.8900E-03

50.122

3.981

31

1.6730E-02

52.507

34.780

32

4.5912E-06

229.565

8.917

33

9.6223E-06

236.584

12.288

34

-3.2070E-04

239.572

64.441

35

-4.3459E-05

262.652

16.744

36

-5.5417E-05

273.275

11.855

37

-6.7510E-05

280.777

7.113

38

3.2793E-04

294.482

16.589

39

3.7202E-05

307.307

9.946

40

5.7449E-04

320.524

44.864

41

1.0138E-04

352.394

35.961

42

6.9806E-04

387.525

123.566

43

4.4971E-04

516.323

304.462

44

2.9300E-08

677.128

0.291



References of fitted experimental data for C

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

1-1000

n, k

H. Hagemann et al., J. Opt. Soc. Am. 65, 742 (1975)

1000-30000

n, k

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