Fitting Drude-Lindhard parameters for Si
i ai ωpi γi

1

3.0447E-04

0.475

12.113

2

9.8481E-04

1.704

3.372

3

4.3100E-03

1.944

3.101

4

7.2200E-03

1.949

2.806

5

8.8900E-03

2.367

2.369

6

-3.6680E-02

2.795

3.726

7

1.5700E-03

3.033

0.003

8

-1.5500E-03

3.034

0.454

9

8.1200E-03

3.096

4.135

10

7.0900E-03

3.705

4.939

11

-3.9700E-03

4.499

0.796

12

-3.0020E-02

4.771

9.555

13

1.0150E-02

5.167

2.694

14

5.3300E-03

6.259

4.373

15

-9.5200E-03

6.634

4.010

16

-2.4900E-03

7.048

5.070

17

-6.4920E-02

12.004

6.801

18

1.3958E-01

15.504

3.057

19

9.3340E-01

17.105

4.194

20

-1.2426E-01

21.344

8.526

21

5.5300E-03

41.575

28.733

22

3.5200E-03

109.415

9.162

23

-3.0800E-03

110.687

17.922

24

-4.9970E-02

116.906

60.384

25

2.4050E-02

118.005

37.901

26

3.5830E-02

133.429

88.534

27

9.7600E-03

189.936

193.746

28

-2.8117E-05

858.974

678.003

29

-3.3150E-07

1069.408

1349.993

30

-3.1802E-06

1358.594

445.757

31

1.7894E-06

1642.830

176.910

32

5.1970E-07

1670.245

245.789

33

-6.9486E-06

1674.216

276.871

34

6.2175E-06

1920.397

250.318

35

1.3627E-06

2045.059

320.166

36

1.6193E-06

2147.801

345.958

37

9.6852E-06

2499.758

1333.226



References of fitted experimental data for Si

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

0.005-1.5

n

H. Li, J. Phys. Chem. Ref. Data 9, 561 (1980)

0.005-1.5

k

B. Bendow et al., Appl. Opt. 16, 2909 (1977)

1.5-6

n, k

D. Aspnes and J. Theeten, J. Electrochem. Soc. 127, 1359 (1980)

6-20

n, k

H. Philipp, J. Appl. Phys. 43, 2835 (1972)

20-100

n, k

E. Palik, Handbook of Optical Constants of Solids. Academic Press, New York (1985)

100-2000

n, k

B. Henke et al., At. Data Nucl. Data Tables 27, 1 (1982)

2000-30000

n, k

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