Fitting Drude-Lindhard parameters for Fe
i ai ωpi γi

1

4.4124E-04

0.357

0.248

2

-6.4000E-03

0.492

0.876

3

4.4100E-03

1.293

0.861

4

-2.9850E-02

4.097

3.915

5

6.2000E-03

5.251

1.051

6

3.8740E-02

8.224

3.722

7

1.6520E-02

10.558

1.923

8

3.4200E-03

15.192

1.302

9

5.0939E-04

15.991

0.523

10

-1.0140E-01

20.052

6.909

11

7.2696E-01

22.745

17.078

12

-1.4800E-03

30.700

2.424

13

3.0995E-04

46.433

3.554

14

-8.7940E-02

51.784

16.429

15

-6.7300E-03

52.015

4.012

16

-2.1200E-03

52.956

1.436

17

-6.4064E-04

53.416

0.505

18

-4.8535E-04

53.707

0.262

19

1.3906E-01

57.843

18.945

20

-6.5081E-04

67.710

5.539

21

1.7063E-01

88.872

143.661

22

-2.0600E-03

110.238

43.702

23

-2.9929E-05

659.967

69.509

24

-5.5572E-04

672.775

404.233

25

7.6474E-06

690.823

17.051

26

-1.7972E-04

702.490

44.878

27

3.3337E-05

714.461

14.939

28

1.5713E-04

721.260

48.423

29

2.5078E-04

756.008

119.239

30

-3.2849E-06

842.920

21.396

31

5.9316E-04

863.646

330.329

32

6.0549E-06

865.462

37.233

33

1.3186E-05

1042.608

154.754

34

3.4311E-04

1187.314

951.041

35

-6.0234E-06

1446.514

410.534

36

-3.7004E-06

4265.531

5594.679

37

-6.2030E-07

7159.659

1168.244

38

2.6980E-07

7296.999

328.876

39

4.5610E-07

7601.419

751.779

40

1.3600E-07

8116.584

864.852

41

8.7520E-07

8681.633

2650.971

42

1.6280E-07

10348.567

2572.701

43

1.9320E-07

12491.246

5103.444

44

6.0700E-08

16825.622

9697.492



References of fitted experimental data for Fe

Incident photon
energy range (eV)

Fitted optical
constants

Source of data

0.01-1.2

n, k

M. Ordal et al., Appl. Opt. 24, 4493 (1985)

1.2-26

n, k

T. Moravec et al., Phys. Rev. B 13, 3297 (1976)

26-10000

n, k

V. Shirokovskii et al., Sov. Phys. JETP 55, 464 (1982)

10000-30000

n, k

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