Материал: Weber H., Herziger G., Poprawe R. (eds.) Laser Fundamentals. Part 1 (Springer 2005)(263s) PEo

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B¨ornstein-Landolt

VIII/1A1 Series New

Table 4.1.13. Generation of harmonics of high-power Nd:glass laser radiation in KDP crystals.

Fundamental radiation

Second harmonic

Third and fourth harmonics

Ref.

λ

I0 [109

τp

λ

Type of

η

Crystal

E [J]

λ

Type of

η

Crystal

E

[µm]

W cm−2]

[ns]

[µm]

inter-

[%]

length

[µm]

inter-

[%]

length

[J]

action

[mm]

action

[mm]

1.054

2.5

0.14

0.53

eoe a

67

12

9

0.35

eoe

80

12

11

[80Sek]

1.054

3.5

0.7

0.53

eoe

67

12

25

0.35

eoe

80

12

30

[80Sek]

1.064

2.5

0.1

0.532

eoe

67

8

17

0.266

ooe

30

7

4

[80Lot]

1.064

9.5

0.7

0.532

ooe

83

10

346

[82Lin]

1.064

2.0

0.7

0.532

eoe

67

12

–

0.355

eoe

55

10

41

[82Lin]

1.064

1.2

0.7

0.532

ooe

–

10

–

0.266

ooe

51

10

50

[82Lin]

1.06

0.2

25

0.53

ooe

80

40

60

[82Ibr]

1.06

2.7

0.5

0.53

ooe

90

30

20

[83Gul]

1.06

2.7

0.5

0.53

eoe a

67

18

–

0.35

eoe

81

18

10 . . . 20 [83Gul]

1.053

1.5

0.6

0.53

eoe

70

16

80

0.26

ooe

46

7

53

[85Bru]

1.054

5

0.5

0.53

eoe

87

17.5

–

0.264

ooe

92 b

10

–

[88Beg]

a The angle between the polarization vector of the fundamental radiation and o-ray is 35 ◦ . b Conversion e ciency from 0.527 µm.

Table 4.1.14. Generation of harmonics of iodine laser radiation: λ = 1.315 µm (τp = 1 ns) [80Fil, 81Wit, 83Fil, 83Bre].

SHG

THG

FOHG

FIHG

SIHG

ω + ω = 2 ω

ω + 2 ω = 3 ω

2 ω + 2 ω = 4 ω 2 ω + 3 ω = 5 ω 3 ω + 3 ω = 6 ω

Wavelength [nm]

657.6

438.4

328.8

263.0

219.2

Crystal

DKDP

KDP

KDP

DKDP

KDP

KDP

KDP

KB5

Crystal length [mm]

19

20

10

20

10

40

–

10

Type of interaction

eoe

eoe

ooe

eoe a

ooe

ooe

ooe

eeo

θpm [deg]

51.3

61.4

44.3

48

42.2

53.6

74

80.5 (ϕpm)

Conversion e ciency [%] at

I0 = (1 . . . 1.5) × 109 W cm−2

30

16

12

30

6

15

–

–

I0 = 3 × 109 W cm−2

70

–

–

50

–

30

9

3

187 .p .[Ref sixth) and fifth, fourth, third, (second, generation Harmonic 4.1.4 162

Ref. p. 187]

4.1 Frequency conversion in crystals

163

Table 4.1.15. Second harmonic generation of ruby laser radiation (694.3 → 347.1 nm).

Crystal

Type of

θpm

I0

L

Power

Ref.

Notes

inter-

[deg]

[W cm−2]

[cm]

conversion

action

e ciency

[%]

RDA

ooe

80.3 (90)

1.5 × 108

1.45

58

[74Kat3]

T = 20 ◦ C (90 ◦ C),

1.8 × 108

L ∆ θ = 4.37 mrad cm

RDP

ooe

67

1.0

37

[74Kat4]

T = 20 ◦ C,

1.3 × 108

L ∆ θ = 2.4 mrad cm

LiIO3

ooe

52

1.1

40

[70Nat]

L ∆ θ = 0.2 mrad cm

Table 4.1.16. Harmonic generation of Ti:sapphire (Ti:Al2O3) laser radiation.

(a) Second harmonic generation.

Crystal

λ2 ω

τ

θpm

L [mm]

Output

η

Ref.

Notes

[nm]

[deg]

power

[%]

P2 ω

[mW]

KDP

390

150 fs

43

3 . . . 40

300

50

[95Kry]

LiIO3

360 . . . 425

1.5 ps

43

10

700

50

[91Neb]

BBO

360 . . . 425

1.5 ps

30

8

450

27

(5.2 a)

[91Neb]

BBO

430

54 fs

27.5

0.055

230

75

[92Ell]

ICSHG

BBO

383 . . . 407

–

ooe

5

170

7.4 a

[93Poi]

ICSHG

BBO

425

16 fs

28

0.1 . . . 1

40

–

[95Ash]

BBO

438

10 fs

26.7; ooe

0.04

3.6

1

[98Ste]

BBO

400

150 fs

ooe

0.5

150

38

[98Zha]

LBO

400

150 fs

–

3

130

32

[98Zha]

LBO

350 . . . 450

12 . . . 25 ns

90

(θ), 22 . . . 40 (ϕ)

5

25 mJ

30

[91Skr]

LBO

360 . . . 425

1.5 ps

90

(θ), 32 (ϕ)

8

350

20

[91Neb]

LBO

410

cw

90

(θ), 31.8 (ϕ)

10.7

410

21.6

[93Bou]

ERR

LBO

416

14 fs

90

(θ), 29 (ϕ)

0.1

30

–

[94Bac]

ICSHG

LBO

400

1.5 ps

type I

10

1280

75

[94Wat]

ERR

LBO

398

cw

90

(θ), 31.7 (ϕ)

8

650

70

[95Zho,

ICSHG

(2 a)

96Zho]

KNbO3 430 . . . 470

35 ns

along a axis

7.9

7.8 kW

45

[90Wu]

ICSHG

KNbO3

430

cw

–

6

650

48

[91Pol]

ERR

a Total conversion e ciency from the pump source.

(b) Third harmonic generation: ω + 2 ω = 3 ω .

Crystal

λ3 ω

τ

θpm

L

Output

η

Ref.

Notes

[nm]

[deg]

[mm]

power

[%]

P3 ω [mW]

BBO

240 . . . 285

1.8 ps

50, ooe

6.5 . . . 12 150

30

[91Neb, 92Neb]

f = 82 MHz

LBO

266 . . . 283

1 ps

90 (θ), 70 (ϕ)

7

35

10

[91Neb]

f = 82 MHz

BBO

252 . . . 267

180 fs

58, eoe

0.3

18

6

[93Rin]

f = 1 kHz

Landolt-B¨ornstein

New Series VIII/1A1

164

4.1.4 Harmonic generation (second, third, fourth, fifth, and sixth)

[Ref. p. 187

(c) Fourth harmonic generation.

Crystal

λ4 ω

τ

θpm

L

Output

η

Ref.

Notes

[nm]

[deg]

[mm]

power

[%]

P4 ω [mW]

BBO a

205 . . . 213

1 ps

ooe

8

10

4

[91Neb]

f = 82 MHz

BBO b

193 . . . 210

1 . . . 2 ps

75, ooe

6.9

10

4

[92Neb]

f = 82 MHz

BBO b

193 . . . 210

165 fs

65, ooe

0.1

6

3

[98Rot]

f = 82 MHz

BBO b

193 . . . 210

340 fs

65, ooe

0.3

15

–

[98Rot]

f = 82 MHz

BBO b

189 . . . 200

180 fs

71, ooe

0.1

4

1

[93Rin]

NC, f = 1 kHz

BBO b

186

10 ns

81 (θ), 30 (ϕ), ooe

5

0.008

–

[99Kou]

T = 91 K

a 2 ω + 2 ω = 4 ω . b ω + 3 ω = 4 ω .

Table 4.1.17. Second harmonic generation of semiconductor laser radiation in KNbO3.

λ ω

Phase-matching

L

P2 ω

η

Ref.

Notes

[nm]

conditions

[mm]

[mW]

[%]

842

T = −23 ◦ C

5

24

14

[89Gol]

external resonator

865

along a axis

5

0.215

1.7

[89Dix]

External Ring Resonator (ERR)

842

along a axis

5

6.7

0.57

[90Hem]

ERR, cw

856

along a axis, T = 15 ◦ C

7

41

39

[90Koz]

external resonator

972

along b axis

5

1.2

4.8

[92Zim]

distributed Bragg reflection semi-

conductor laser

858

–

12.4

62

1.1

[93Gol]

858

–

12.4

80

–

[95Gol]

THG in LBO, 90 (θ), 31.8 (ϕ);

15 mm, λ = 286 nm, 0.05 mW

972

along b axis

6.5

156

–

[95Zim]

ERR, FOHG in BBO (14 mm) in

ERR, λ = 243 nm, 2.1 mW

860

along a axis

10

50

60

[97Lod]

858

along a axis

10

90

–

[98Mat]

FOHG in BBO (θ = 71 ◦ ):

λ = 214.5 nm, 0.1 mW

Table 4.1.18. Second harmonic generation of dye laser radiation.

Crystal

λ 2 ω

Parameters of output radiation

Ref.

Notes

[nm]

(energy, power, pulse duration);

conversion e ciency

KDP

267.5–310

0.1 kW (peak), η = 1 %

[76Str]

KDP

280–310

50 mJ

[77Hir]

KDP

280

90 mW, η = 10 %

[95Nie]

L = 55 mm, external cavity

ADP

280–310

50 mJ, η = 8.4 %

[77Hir]

ADP a

290–315

up to 1 mW, η = 0.03 %

[72Gab]

ADP a

250–260

120 µW

[80Web]

θooe = 90 ◦ , T = 200 . . . 280 K

ADP a

293

0.13 mW, η = 0.08 %, τ = 3 ps

[80Yam]

L = 3 mm

ADP a

295

η = 10−4, τ = 3 . . . 4 ps

[80Wel]

L = 1 . . . 3 mm

RDP

313.8–318.5

3.6 MW, τ = 8 ns, η = 52 %

[75Kat1]

θ = 90 ◦ , T = 20 . . . 98 ◦ C,

in power

I0 = 36 MW cm−2, L = 25 mm

RDP

310–335

3.2 MW, τ = 10 ns, f = 10 Hz,

[77Kat2]

θ = 90 ◦

η = 36 %

(continued)

Landolt-B¨ornstein

New Series VIII/1A1

Ref. p. 187]

4.1 Frequency conversion in crystals

165

Table 4.1.18 continued.

Crystal

λ 2 ω

Parameters of output radiation

Ref.

Notes

[nm]

(energy, power, pulse duration);

conversion e ciency

ADA

292–302

30 mW

[77Fer]

θ = 90 ◦

ADA a

285–315

400 mW (single-mode regime),

[76Fro]

θ = 90 ◦ , temperature tuning,

50 mW (multimode regime)

L = 30 mm

DKDA

310–355

0.8 . . . 3.2 MW, τ = 10 ns,

[77Kat2]

θ = 90 ◦ , L = 15 mm

f = 10 Hz, η = 9 . . . 36 %

LiIO3a

295

η = 10−4, τ = 2.1 ps

[80Wel]

L = 0.3 mm

LiIO3a

293–312

0.37 mW, cw regime

[86Bue]

L = 10 mm

LiIO3

293–330

15 mW, cw regime

[83Maj]

L = 1 mm

LiIO3

293

3 kW, η = 30 %

[76Str]

L = 6 mm

LiIO3

293–310

4 mW, cw regime, η = 0.4 %

[75Bet]

L = 6 mm, ∆ λ = 0.03 nm

LiIO3

293–310

21 mW, cw regime, η = 2 %

[75Bet]

L = 6 mm, ∆ ν = 30 MHz

BBO

204.8–215

100 kW, τ = 8 ns, η = 4 . . . 17 %

[86Kat]

θ = 70 ◦ . . . 90 ◦

BBO

205–310

50 kW, τ = 9 . . . 22 ns,

[86Miy]

L = 6 and 8 mm

BBO a

η = 1 . . . 36 %

315

20 mW, τ = 43 fs

[88Ede]

θ = 38 ◦ , ϕ = 90 ◦ , L = 55 µm

BBO

230–303

0.02 . . . 0.18 mJ, τ = 17 ns

[90Mue]

θooe = 40 . . . 60 ◦ , L = 7 mm

BBO a

243

30 mW, cw regime

[91Kal]

θooe = 55 ◦ , L = 8 mm,

∆ ν = 200 Hz

KB5

217.3–234.5

0.3 kW, τ = 7 ns, η = 1 %

[75Dew]

XY plane, eeo

KB5

217.1–240

5 . . . 6 µJ, τ = 3 . . . 4 ns, η = 10 %

[76Dew]

XY

plane, θooe = 90 . . . 0 ◦

KB5

217.1–315.0

5 . . . 6 µJ, 5 ns, 10 %

[76Dew]

XY

plane, ϕeeo = 90 . . . 31 ◦ ,

L = 10 mm

KB5

217–250

0.1 . . . 5 µJ, η = 0.2 . . . 5 %

[76Zac]

XY

plane, ϕeeo = 90 . . . 65 ◦

DKB5

216.15

2 µJ, τ = 3 ns, η = 5 %

[78Pai]

θ = 90 ◦ , ϕ = 90 ◦

LFM

230–300

η = 2 %

[73Dun]

XZ plane, θooe = 35 . . . 45 ◦ ,

LFM a

η = 10−4

L = 10 mm

290–315

[72Gab]

XZ plane, θooe = 45 ◦ (590 nm)

LFM a

238–249

70 µJ (244 nm), cw regime

[80Bas]

XZ plane, θooe = 39 ◦ (486 nm)

LFM

237.5–260

20 W, nanosecond regime,

[76Str]

LFM a

η = 0.7 %

243

1.4 mW, cw regime

[84Foo]

θooe = 36.8 ◦ , L = 15 mm

LFM

285–310

4 µJ, cw regime

[75Bet]

KNbO3

425–468

400 kW, η = 43 %

[79Kat]

angular tuning in XY and

Y Z planes, temperature tuning

(20 . . . 220 ◦ C) along the a axis

KNbO3

419–475

12 µW, cw regime, η = 0.065 %

[83Bau]

along the a axis, T from −36 ◦ C

KNbO3a

to +180 ◦ C, L = 9 mm

425–435

21 mW, cw regime, η = 1.1 %

[85Bau]

along the a axis, T = 0 . . . 50 ◦ C,

L = 9 mm

Urea

238–300

–

[79Hal]

θeeo = 90 . . . 45 ◦ , L = 2 mm

Urea

298–370

–

[79Hal]

θeoo = 90 . . . 50 ◦ , L = 2 mm

a Intracavity SHG.

Landolt-B¨ornstein

New Series VIII/1A1

166

4.1.4 Harmonic generation (second, third, fourth, fifth, and sixth)

[Ref. p. 187

Table 4.1.19. Second harmonic generation of gas laser radiation.

Type of laser

Crystal

λ

θpm

T

Ref.

[µm]

[deg]

[◦ C]

Argon laser

KDP a

0.5145

90

−13.7

[67Lab]

ADP

0.4965

90

−93.2

[73Jai]

ADP

0.5017

90

−68.4

[73Jai]

ADP a

0.5145

90

−10.2

[73Jai]

ADP

0.5145

90

−10

[82Ber]

KB5

0.4579

67.2 (ϕpm)

20

[76Che]

KB5

0.4765

60.2 (ϕpm)

20

[76Che]

KB5

0.4880

56.6 (ϕpm)

20

[76Che]

KB5

0.5145

50.2 (ϕpm)

20

[76Che]

BBO

0.5145

49.5

20

[86Xin]

BBO

0.4965

52.5

20

[86Xin]

BBO

0.4880

54.5

20

[86Xin]

BBO

0.4765

57.0

20

[86Xin]

BBO a

0.4880

55

20

[89Zim]

BBO a

0.5145

–

20

[92Tai]

He-Ne laser

LiIO3a

1.152 . . . 1.198

25

20

[83Kac]

LiNbO3

1.152

90

169

[74Ant]

LiNbO3

1.152

90

281

[75Kus]

AgGaS2

3.39

33

20

[75Bad]

NH3 laser

Te

12.8

–

–

[80Sha]

CdGeAs2

11.7

35.7

–

[87And3]

CO laser

ZnGeP2

5.2 . . . 6.3

47.5

–

[87And2]

a Intracavity SHG.

Table 4.1.20. Harmonic generation of CO2 laser radiation.

Crystal

λ

Nonli-

Type of

I0

L

η

Ref.

[µm]

near

interaction,

[W cm−2]

[mm]

(power)

process

θpm [deg]

[%]

Ag3AsS3

10.6

SHG

ooe, 22.5

1.1 ×

7

4.4

2.2

[75Nik2]

106

AgGaSe2

10.6

SHG

ooe, 57.5

1.7 ×7

10

15.3

2.7

[74Bye]

AgGaSe2

10.25

SHG

ooe, 52.7

< 10

21

35

[85Eck]

AgGaSe2

10.6

SHG

ooe, 53

–

20

0.1 a

[97Sto]

ZnGeP2

9.19 . . . 9.7;

SHG

eeo, 76

–

–

5

[84And]

10.15 . . . 10.8

ZnGeP2

8.6

SHG

eeo, 55.8

–

–

10.1

[87And4]

ZnGeP2

10.6

SHG

eeo, 76

109

7

3

49

[87And1]

ZnGeP2

10.26 . . . 10.61

SHG

eeo

4.4 ×

7.2

11.3

[93Bar2]

107

ZnGeP2

9.6

SHG

eeo, 70

5.5 ×

10

10

8.1

[94Mas]

ZnGeP2

10.78

SHG

eeo, 90

–

107

10

–

[97Kat]

CdGeAs2

10.6

SHG

oeo, 48.4

1.4 ×

9

15

[74Kil]

CdGeAs2

10.6

SHG

eeo, 32.5

–

13

21

[76Men]

CdGeAs2

10.6

SHG

eeo, 32.5

–

13

0.44 a

[76Men]

(continued)

Landolt-B¨ornstein

New Series VIII/1A1

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