|
Physical Properties
|
|
| Chemical
Formula |
LiY 1.0-xNdxF4 |
| Lattice
Parameters |
a=5.16Å
b=10.85Å |
| Crystal
Structure |
Tetragonal |
| Space
Group |
I41/a |
| Nd
atoms/cm3 |
1.40x1020
atoms/cm3 for 1% Nd doping, |
| Mohs
Hardness |
4 ~ 5 |
| Melting Point |
819℃ |
| Density |
3.99
g/cm3 |
| Modulus
of Elasticity |
85
GPa |
| Thermal Expansion
Coefficient |
8.3x10-6/k
^c,
ac=13.3x10-6/k ||c |
| Thermal
Conductivity Coefficient |
0.063
W/cm K |
| Specific
Heat |
0.79
J/g K |
| Optical
Properties |
|
| Transparency
Region |
180nm to
6.7mm |
| Peak
Simulation Emission Cross Section |
1.8x10-19cm2
(E || c)
at 1.047mm
1.2x10-19cm2 (E ^
c) at 1.053mm |
| Spontaneous
Fluorescence Lifetime |
485ms
for 1% Nd doping |
| Scatter
Losses |
<0.2%
/ cm |
| Peak
Absorption Coefficient |
a=10.8cm-1
(792.0 nm E || c)
a=3.59cm-1
(797.0 nm E ^
c) |
| Refractive
Indices |
| Wavelength
(nm) |
ne |
ne |
| 262 |
1.485 |
1.511 |
| 350 |
1.473 |
1.491 |
| 525 |
1.456 |
1.479 |
| 1050 |
1.448 |
1.470 |
| 2065 |
1.442 |
1.464 |
|
| Sellmeier
Equations |
ni2(l) = A
+ Bl2/(l2-C)
-
Dl2/(l2-E)
|
A |
B |
C |
D |
E |
|
no
|
3.38757
|
0.70757
|
0.00931
|
0.18849
|
50.99741
|
|
n2
|
1.31021
|
0.84903
|
0.00876
|
0.53607
|
134.9566
|
|
