Fitting Drude-Lindhard parameters for Cs
i ai ωpi γi

1

-5.5600E-02

2.302

1.117

2

8.4161E-01

3.149

0.942

3

3.1246E-01

5.355

4.074

4

-2.7129E-01

5.874

14.964

5

-6.2040E-02

9.311

9.525

6

-6.6810E-02

11.602

4.893

7

-1.1830E-02

11.678

2.284

8

5.1510E-02

11.973

5.755

9

1.0710E-02

12.217

2.073

10

2.3810E-01

18.417

11.616

11

-3.6600E-03

50.697

33.446

12

-1.1100E-03

70.830

15.655

13

6.7000E-03

95.273

24.007

14

1.0100E-03

105.847

30.488

15

5.8800E-03

109.902

23.646

16

1.2300E-03

124.274

18.757

17

-3.5430E-04

171.636

48.818

18

-1.5220E-04

243.440

120.141

19

5.3291E-04

290.392

214.394

20

7.7738E-05

416.212

249.525

21

-4.4057E-05

656.212

146.960

22

1.5379E-05

800.310

57.145

23

2.3765E-04

876.029

569.308

24

1.5341E-04

1527.808

1386.201

25

-9.0493E-05

1665.345

1383.730



References of fitted experimental data for Cs

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

0.5-3

n, k

N. Smith, Phys. Rev. B 2, 2840 (1970)

3-9

n, k

U. Whang et al., J. Opt. Soc. Am. 61, 740 (1971)

9-30

n, k

S. Sato et al., J. Phys. Soc. Jpn. 47, 836 (1979)

30-10000

n, k

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