Physical Properties
|
|
Chemical
Formula |
LiY 1.0-xNdxF4 |
Lattice
Parameters |
a=5.16�
b=10.85� |
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
|
|