Transmission Range, µm

0.19 - 3.5

Refractive Index,

n_e = 1,5425;
n_o = 1,6551

n_e = 1,5555;
n_o = 1,6749

n_e = 1,5775;
n_o = 1,7055

n_e = 1,6139;
n_o = 1,7570

n_e = 1,6742;
n_o = 1,8465

Optical Homogeneity, 1/cm

10-6 cm³

NLO Coefficients, pm/V

d₂₂ = 2.3
d₃₁ = 0.16

Phase-matchable output wavelengths:

189 - 1750 nm

Damage Threshold at 532 nm

1 GW/cm² (10 ns); 7 GW/cm² (250 ps)

Damage Threshold at 1064 nm

5 GW/cm² (10 ns); 10 GW/cm² (1.3 ns)

Absorption loss, %/cm at 1064 nm

< 0.1

Chemical formula

ß-BaB₂O₄

Density, g/cm³

3.85

Lattice Constants, Å

a=b= 12,532
c= 12,717

Crystal Structure

Trigonal, space group R_3c

Melting Point, at °C

1095

Hygroscopic Susceptibility

Low

Thermal Conductivity, W/(m · K)

1.2 parallel to a-axis
1.6 parallel to c-axis

Thermal Expansion, 1/°C

0.5 *10^-6 parallel to a-axis
33.3 * 10^-6 parallel to c-axis

Mohs Hardness

4.5

Transition Temperature, +/- 5 °C

925

Relative Dielectric Constant, T11/e0:

7.7

Relative Dielectric Constant, T33/e0:

8.1

Conversion efficiency, %

30 (1064 nm, 20 ns, 3 W)
35 (1780 nm, 20 ns, 20 Hz, 2 W)
20 (1064 nm, 20 ns, 50 Hz, 2 W)

Spectrum