Lattice Parameters

a=5.16; c=10.85

Crystal structure

tetragonal

Space Group

141/a

Nd atoms/cm3 

1.40×1020 atoms/cm3 For 1% Nd doping

Knoop hardness

300kg /mm 2 

Melting Point

819°C

Density

3.99g /cm3 

Modulus of Elasticity

85GPa

Thermal Expansion

8.3×10-6/k along c axis

Coefficient

13.3×10-6/k along c axis

Thermal Conductivity

0.063 W/cm K

Specific Heat

0.79 J/g K 

Peak Stiulated Emission

1.8×10-19cm2 (E || C) at 1.047mm

Cross Section

1.2×10-19cm2 (E ⊥ C) at 1.053mm

Spontaneous Fluorescence

485µs for 1% Nd

Scatter Losses

<0.2%/cm

Peak Absorption Coefficient

α＝10.8cm-1 (792.0 nm E || C)

(for 1.2% Nd)

α＝3.59cm-1 (797.0 nm E ⊥ C)

Sellmeier Equation

436 mm

-2.44×10-6 /°C

-0.54×10-6 /°C

578nm

-2.86×10-6 /°C

-0.91×10-6 /°C

1.06 µm

-4.30×10-6/°C

-2.00×10-6 /°C 

262

1.485

1.51

350

1.473

1.49

525

1.456

1.479

1050

1.488

1.470

2065

1.442

1.464