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1.6 Magnetooptic Properties

1.6.1 Diamagnetic Materials

Verdet Constants V of Diamagnetic Crystals (room temperature)*

 

Wavelength

V

CTE α

(1/V)dVdT + α

 

Crystal

(nm)

(rad/(m T))

(10–6/K)

(10–4/K)

Ref.

AgBr

633

26.8

 

 

1

AgCl

633

22.8

30

3.2

1

Al2O3

546

4.0

 

 

3

 

589

3.5

 

 

3

BaF2

633

3.75

19

–0.2

1

Ba(NO3)2

633

2.9

17.5

0.7

1

BaTaO3 (403 K)

427

276

 

 

16

 

496

111

 

 

16

 

620

52.4

 

 

16

 

826

21.0

 

 

16

BaTiO3

620

–51.0

 

 

3

Bi4Ge3O12

442

84.1

 

 

4

 

633

30.1

 

2.0

2

 

633

28.8

 

 

4

 

1064

7.6

 

 

4

 

1064

7.5

 

 

4

Bi12GeO20

633

60.3

 

 

1

C (diamond)

589

6.8

 

1.4

5

 

633

5.81

0.87

 

1

CaCO3

589

5.6

 

0

6

CaF2

589

5.6

 

 

4

 

633

2.49

19

0.9

1

CsBr

633

10.8

47

0.8

1

CsCl

633

8.3

46

0.7

1

CsCN

633

5.51

 

3

1

CsF

633

4.71

33

0.3

1

CsH2AsO4

633

6.49

 

 

7

CsI

633

17.4

49

2.5

1

CsNO2

633

4.24

 

 

1

CuCl

546

58.1

 

 

8

 

633

31.9

30

3.0

1

Cu2O

633

147

0

5.2

1

GaP

633

154

5.81

3.3

1

GaSe

633

22

 

 

9

© 2003 by CRC Press LLC

Verdet Constants of Diamagnetic Crystals—continued

 

Wavelength

V

CTE α

(1/V)dVdT + α

 

Crystal

(nm)

(rad/(m T))

(10–6/K)

(10–4/K)

Ref.

Gd3Al5O12

633

13.3

3.35

–2.2

1

Hg3Te2Cl2

633

83

 

 

1

KAl(SO4)•12 H2O

589

3.6

 

 

13

KBr

546

14.5

 

 

10

 

589

12.4

 

 

10

 

633

10.1

 

 

1

KCl

633

6.68

38.4

1.0

1

KCN

633

3.89

36.2

2.1

1

KH2PO4

633

3.72

49

0.5

7

KH2AsO4

633

69.3

 

 

7

KI

546

24.1

 

 

10

 

589

20.4

 

 

10

 

633

17.5

 

2.2

1

KTaO3

352

128

 

 

13

 

413

55

 

 

13

 

496

28

 

 

13

 

620

–14

43

 

3

 

826

6.4

 

 

13

LaF3

325

16

 

 

4

(H || c)

442

8.1

 

 

4

 

633

3.5

 

 

4

 

1064

1.8

 

 

4

LiBaF3

633

3.72

27

0.7

1

LiBr

633

14.2

38

2

1

LiCl

633

9.3

35

1.3

1

LiF

633

2.33

25

3.0

1

LiH

633

24.6

32

1.7

1

MgAl2O4

589

6.1

 

 

14

 

633

7.6

8.82

0.9

1

MgO

633

9.2

13

1.7

1

NaBr

546

18.1

 

 

13

 

633

13.2

 

1.8

1

NaCl

546

11.9

 

 

10

 

589

10.0

 

 

10

 

633

8.5

39.8

1.2

1

NaClO3

546

3.1

 

 

13

 

589

2.4

 

 

13

NaI

633

22.5

43

1.9

1

NH4

633

12.6

53

2

1

NH4Al(SO4)12 H2O

589

3.7

 

 

13

NH4Br

589

14.7

 

 

13

 

633

8.9

48

0.9

1

© 2003 by CRC Press LLC

Verdet Constants V of Diamagnetic Crystals—continued

 

Wavelength

V

CTE α

(1/V)dVdT + α

 

Crystal

(nm)

(rad/(m T))

(10–6/K)

(10–4/K)

Ref.

NH4Cl

546

11.9

 

 

13

 

589

10.5

 

 

13

 

633

6.60

 

 

7

NH4H2AsO4

633

69.3

 

 

15

NH4H2PO4

633

40.2

 

 

15

NH4I

633

18.3

37

3.0

1

NiSO4H2O

546

7.4

 

 

14

 

589

6.4

 

 

14

RbH2PO4

633

3.72

 

 

7

RbH2AsO4

633

6.17

 

 

7

SiO2

546

5.6

 

 

11

 

589

4.9

 

 

11

Sm3Ga5O12

633

11.8

6.39

1.24

1

SrTiO3

413

227

 

 

16

 

496

90.2

 

 

16

 

633

–49.0

9.4

–1.8

1

 

826

–19.2

 

 

3

TiO2

620

–45

 

 

3

Y3Ga5O12

633

11.7

5

1.23

1

ZnS

546

83.4

 

 

5

 

589

65.8

 

 

5

 

633

52.8

 

10.0

1

ZnSe

476

436

 

 

12

 

496

302

 

 

12

 

514

244

 

 

12

 

587

154

 

 

12

 

633

118

 

 

12

ZnTe

633

188

 

3.7

1

* The above table was adapted from Deeter, M. N., Day, G. W., and Rose, A. H., Magnetooptic materials: crystals and glasses, Handbook of Laser Science and Technology, Suppl. 2: Optical Materials (CRC Press, Boca Raton, FL, 1995), p. 367, with additions.

References:

1.Haussühl, S., and Effgen, W., Faraday effect in cubic crystals, Z. Kristallogr., 183, 153 (1988).

2.Baer, W. S., Intraband Faraday rotation in some perovskite oxides, J. Phys. Chem. Solids, 28, 677 (1977).

3.Ramaseshan, S., Faraday effect and birefringence, II–Corundum, Proc. Indian Acad. Sci. A, 34, 97 (1951).

4. Weber, M. J., Faraday rotator materials for laser systems, Proc. Soc. Photo Opt. Instrum. Eng., 681, 75 (1986), and Weber, M. J., Faraday Rotator Materials, Lawrence Livermore Laboratory Report M-103 (1982).

5.Ramaseshan, S., The Faraday effect in diamond, Proc. Indian Acad. Sci. A, 24, 104 (1946).

6.Chauvin, J. Physique, 9, 5, 1890).

© 2003 by CRC Press LLC

7.Munin, E., and Villaverde, A. B., Magneto-optical rotatory dispersion of some non-linear crystals, J. Phys. Condens. Matter, 3, 5099 (1991).

8.Gassmann, G., Negative Faraday effect independent of temperature, Ann. Phys. (Leipzig), 35, 638 (1939).

9.Villaverde, A.B., and Donnati, D. A., GaSe Faraday rotation near the absorption edge, J. Chem Phys., 72, 5341 (1980).

10.Ramaseshan, S., The Faraday effect and magneto-optic anomaly of some cubic crystals, Proc. Ind. Acad. Sci. A, 28, 360 (1948).

11.Ramaseshan, S., Determination of the magneto-optic anomaly of some glasses, Proc. Ind. Acad. Sci. A, 24, 426 (1946).

12.Wunderlich, J. A., and DeShazer, L. G., Visible optical isolator using ZnSe, Appl. Opt., 16, 1584 (1977).

13.Ramaseshan, S., Proc. Indian Acad. Sci., 28, 360 (1948).

14.O’Connor. Beck, and Underwood, Phys. Rev., 60, 443 (1941).

15.Koralewski, M. Phys. Status. Solidi A, 65, K49 (1981).

16.Baer, W. S., J. Chem. Solids 28, 677 (1977).

1.6.2Paramagnetic Materials

Verdet Constants for Representative Paramagnetic Crystals*

 

Wavelength λ

Refractive

 

 

Crystal

(nm)

index n

V (rad/(m T)

Ref.

CaF2:Ce3+(30%)

325

1.516

–278

1

 

442

1.502

–86.4

1

 

633

1.494

–32.3

1

CaF2:Pr3+(5%)

1064

1.489

–10.2

1

266

1.471

–50.1

1

 

325

1.461

–23.8

1

 

442

1.451

 

1

 

633

1.445

–4.9

1

 

1064

1.441

–1.31

1

CeF3

442

1.613

–306

1

 

633

1.598

–118

1

 

1064

 

–33

1

EuF2

450

 

–1310

1

 

500

 

–757

2

 

550

 

–466

2

 

600

 

–320

2

 

633

1.544

–262

1

 

650

 

–233

2

 

1064

1.518

–55.3

1

LiTbF4

325

1.493

–553

3

 

442

1.481

–285

3

 

633

1.473

–128

3

 

1064

1.469

–38

3

NdF3

442

1.60

–161

1

 

633

1.59

–60.8

1

 

1064

1.58

–28.2

1

© 2003 by CRC Press LLC

Verdet Constants for Representative Paramagnetic Crystals—continued

 

Wavelength λ

Refractive

 

 

Crystal

(nm)

index n

V (rad/(m T)

Ref.

KTb3F10

325

1.531

–633

3

 

442

1.518

–272

3

 

633

1.510

–112

3

 

1064

1.505

–33.2

3

Tb3Ga5O12

500

 

–278

4

 

570

 

–169

4

 

633

1.976

–134

1

 

830

 

–61

4

 

1064

1.954

–35

1

* The above table was adapted from Deeter, M. N., Day, G. W., and Rose, A. H., Magnetooptic materials: crystals and glasses, Handbook of Laser Science and Technology, Suppl. 2: Optical Materials (CRC Press, Boca Raton, FL, 1995), p. 367, with additions.

References:

1. Weber, M. J., Faraday rotator materials for laser systems, Proc. Soc. Photo Opt. Instrum. Eng., 681, 75 (1986); Weber, M. J., Faraday Rotator Materials, Lawrence Livermore Laboratory Report M-103 (1982).

2.Suits, J. C., Argyle, B. E., and Freiser, M. J., Magneto-optical properties of materials containing divalent europium, J. Appl. Phys., 37, 1391 (1966).

3.Weber, M. J., Morgret, R. Leung, S. Y., Griffin, J. A., Gabbe, D., and Linz, A., J. Appl. Phys. 49, 3464 (1978).

4.Dentz, D. J., Puttbach, R. C., and Belt, R. F., Magnetism and Magnetic Materials, AIP Conf. Proc. No. 18 (American Institute of Physics, New York, 1974).

Rare Earth Aluminum Garnets

Verdet constant V (rad/T m) at wavelength in nm

Material

Temp. (K)

405

450

480

520

578

670

Ref.

Tb3Al5O12

300

–659.4

–455.4

375.4

–302.3

–229

–158

1

 

77

–29728

24284

–997

–757

–528

1

 

4.2

–18860

–15650

–13140

2

 

1.45

–58476

–50203

–40530

–32380

–27185

2

Dy3Al5O12

300

–361

–274

–234

–194

–151

–104

1

Ho3Al5O12

300

–206

–93.1

–75.7

–97.5

–87.0

–59.9

1

Er3Al5O12

300

–55.0

–69.8

–44.8

–47.1

–42.2

–25.9

1

Tm3Al5O12

300

43.9

30.0

27.1

22.1

17.2

1

Yb3Al5O12

298

83.5

62.6

54.1

40.7

33.8

3

 

77

209

157

140

114

87.9

3

References:

1.Rubinstein, C. B., Van Uitert, L. G., and Grodkiewicz, W. H., J. Appl. Phys. 35, 3069 (1964).

2.Desorbo, W., Phys. Rev. 158, 839 (1967).

3.Rubinstein, C. B. and Berger, S. B., J. Appl. Phys. 36, 3951 (1965).

© 2003 by CRC Press LLC