Table 1 Linear and NLO properties of typical UV and DUV NLO crystals

From: Deep-ultraviolet nonlinear optical crystals: concept development and materials discovery

Crystals

 

Eg (eV)

dij (pm V−1)

×KDP

Δn @ 400 nm

λUV (nm)

λPM (nm)

deff a (×KBBF)

KH2PO4

Exp.

7.14

d36 = 0.39

1.0

0.045

174

262

n/a

 

Cal.

7.05

d36 = 0.40

1.0

0.046

176

261

n/a

LiB3O5

Exp.

7.85

d31 = 0.98; d32 = 1.05

2.7

0.043

158

277

n/a

 

Cal.

7.75

d31 = 0.67; d32 = −0.72

1.8

0.051

160

251

n/a

β-BaB2O4

Exp.

6.56

d22 = 1.60

4.1

0.125

189

205

n/a

 

Cal.

6.49

d22 = 1.57

4.1

0.113

191

196

n/a

KB5O12H8

Exp.

7.72

d33 = 0.05

0.1

0.064

162

217

n/a

 

Cal.

7.43

d33 = 0.08

0.2

0.061

167

207

n/a

KBe2BO3F2

Exp.

8.45

d22 = 0.47

1.2

0.088

147

161

1.00

 

Cal.

8.31

d22 = 0.41

1.1

0.059

150

172

0.50

RbBe2BO3F2

Exp.

8.18

d22 = 0.45

1.2

0.078

152

174

0.48

 

Cal.

8.21

d22 = 0.40

1.0

0.057

151

185

n/a

CsBe2BO3F2

Exp.

8.23

d22 = 0.50

1.3

0.064

151

202

n/a

 

Cal.

8.23

d22 = 0.38

1.0

0.055

151

210

n/a

NH4Be2BO3F2

Exp.

8.12

~1.2×KDP

1.2

0.091

153

174

0.46

 

Cal.

8.37

d22 = 0.40

1.0

0.053

148

188

n/a

γ-Be2BO3F

Exp.

≥6.30

~2.3×KDP

2.3

≤200

 

Cal.

8.88

d12 = 0.63

1.6

0.094

140

149

1.87

NH4B4O6F

Exp.

7.97

~3×KDP

3.0

0.130

156

158

2.27

 

Cal.

7.87

d32 = 0.72; d33 = −0.91

1.8

0.112

158

164

1.40

KCaCO3F

Exp.

≥6.30

~3.3×KDP

3.3

≤200

 

Cal.

6.31

d11 = 1.33

3.4

0.112

197

197

n/a

CaB8O15H4

Exp.

≥6.30

~1.4×KDP

1.4

≤200

 

Cal.

7.43

d23 = 0.41

1.1

0.093

165

174

0.42

Be2BO5H3

Cal.

8.20

d22 = 0.52

1.3

0.087

152

175

0.44

PNF2

Cal.

8.80

d32 = 0.44; d33 = 0.86

1.2

0.164

142

142

1.60

Be2CO3F2 b)

Cal.

8.43

d22 = 0.87

2.2

0.111

147

155

2.37

KAlCO3F2 b)

Cal.

8.43

d22 = 0.73

1.9

0.108

147

148

2.35

PB3O6F2 b)

Cal.

9.05

d16 = 0.45

1.2

0.099

137

137

1.52

BeB2O4 b)

Cal.

9.05

d36 = 0.34

0.9

0.133

137

152

1.44

  1. aFor type-I phase matching at 177.3 nm. bThe structures are theoretically designed; “n/a” means deff is not applicable; “---” represents there are no available data