Lithium Niobate
LiNbO3 

List of Optical Crystals

Materials

Refractive Index

Transmission
Range (mm)

Density
(g/cm³)

Thermal Expansion
Coefficient (10-6/K)

 

BK7 glass

1.5164 (588 nm)

0.330 – 2.1

2.51

7.5 

 

SF11 glass

1.78472 (588 nm)

0.370 – 2.5

4.74

6.8 

 

F2 glass

1.62004 (588 nm)

0.420 – 2.0

3.61

8.2 

 

Fused Silica

1.4858 (308 nm)

0.185 – 2.5

2.20

0.55 

 

CaF2

1.399  (5.0 mm)

 0.170 – 7.8

3.18

 18.85 

 

BaF2

 1.460 (3.0 um)

 0.15 – 12.0

4.88

 18.4 

 

Sapphire

1.755 (1.0mm)

0.180 – 4.5

3.98

8.4 

 

Silicon

3.4179 (10mm)

 1.200 – 7.0

2.33

 4.15 

 

Ge

4.003 (10 mm)

 1.900 – 16

5.33

 6.1 

 

ZnSe

2.40  (10 mm)

0.630 – 18

5.27

7.8 

 

ZnS

2.2 (10mm)

0.380 –14

4.09

6.5 

 

LiF

1.39 (500 nm)

 0.150 – 5.2

2.64

37 

 

KBr

1.526 (10 mm)

 0.280 – 22

2.75

43 

 

MgF2

no=1.3836
ne=1.3957
(405 nm)

0.130 – 7.0

7.37

a: 13.7         b: 8.48 

 

YVO4

no=1.9500
ne=2.1554
(1.3 mm)

0.400 – 5.0

4.22

a: 4.46       b: 11.37 

 

Calcite

no=1.6557
ne=1.4852
(633 nm)

0.210 – 2.3

2.75

a: 24.39        b: 5.68 

 

Quartz

no=1.5427
ne=1.5518
(633 nm)

0.200 – 2.3

2.65

7.07 

 

α-BBO

no=1.6749
ne= 1.5555
(532 nm)

0.190 – 3.5

3.85

a: 4.0           c: 36 

 

LiNbO3

no=2.2863
ne= 2.2027
(633 nm)

0.370 – 4.5

4.64

a: 16.7          c: 2.0