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Optical and spectral properties
Transmission range
160 ‐ 2600
Refractive index @532 nm
nx = 1,5785

ny = 1,1,6065

nz = 1,6212

Refractive index @ 1064 nm
nx = 1,5656

ny = 1,5905

nz = 1,6055

NLO coefficients in pm/V, @1064 nm
d31 = 0,85

d32 = -0,67

d33 = 0,04

d34 = 6,1

Absorption loss in %/cm
<0,3 @ 532 nm

<0,01 @ 1064 nm

Temperature acceptance in °C·cm
4,7 (Typ I, 1064 nm SHG)

7,5 (Typ II, 1064 nm SHG)

Spectral acceptance in nm·cm
1,0 (Typ I, 1064 nm)

1,3 (Typ II, 1064 nm)

Angular acceptance in mrad·cm
6,54 (Typ I, 1064 nm φ)

15,27(Typ II. 1064 nm θ)

Walk-off-angle
0,6° (Typ I, 1064 nm)

0,12° (Typ II, 1064 nm)
Physical properties
Chemical formula
LiB3O5
Density in g/cm3
2,47
Melting point in °C
834
Lattice constants in Å
a = 8,4473

b = 7,3788

c = 5,1395

Crystal structure
orthorhombic
Thermal conductivity in W/(m·K)
3,5
Thermal expansion in 1/K
αx = 10,8·10-5

αy = -8,8·10-5 ·10-6

αz = 3,4·10-5 ·10-6

Mohs hardness
6
Spectral properties