Lanthanum Beryllate
La2Be2O5

Properties

Mean dislocation density, cm-2

100

Molecular weight

375.82

Syngony

monoclinic

Symmetry class

2m - c2k6

Spezial group

C2 / C1

Crystal lattice parameters, Angström unit (E)

a = 7.5356
b = 7.3476
c = 7.4387

Density, g / cm3

6.061

Melting point, oC

1361

Axial characteristics

biaxial

Refraction indexes

nx = 1.9641
ny = 1.9974
nz = 2.0348

Mohs hardness

6,5

Charakteristics

Nd3+ concentration, at %

1 - 5

Oscillation wavelength

1.07 - 1.08

Transition cross-section, cm-2

1.5 ´ 10-19

Absorption loss onl = 1060 nm, cm-1

 

Oscillation boundaries depending on Nd3+ concentration and orentation. J (laser threshold as a function of ND3+concentration and orientation, J)

3 - 12

Rods Specification

1. Rods with round cross-sections are manufactured

2. Sizes and processing

Diameter tolerance
Length tolerance
End faces parallelism
Surface quality
Flatness
Orientation tolerance

+/-0.1mm
+/-0.5mm
10”
10-5 scratch-dig
l/10
> 5o

3. Rod’s orientation

Diameter
Length

x,y,z
4 - 12 mm
50 -100 mm