Rubidium Bromide RbBr
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Transmission Range
0.22 to 40 μm
Refractive Index
1.525 at 10 μm (1)
Reflection Loss
8.2% at 10 μm (2 surfaces)
Absorption Coefficient
1.6 x 10-3 cm-1 @ 10.6 μm
Reststrahlen Peak
n/a
dn/dT
-45 x 10-6 K-1
dn/dμ = 0
n/a
Density
3.35 g/cc
Melting Point
682°C
Thermal Conductivity
12.2 W m-1 K-1 @ 378 K
Thermal Expansion
36.98 x 10-6/°C @ 273 K
Hardness
n/a
Specific Heat Capacity
311 J Kg-1 K-1
Dielectric Constant
55
Youngs Modulus (E)
n/a
Shear Modulus (G)
n/a
Bulk Modulus (K)
13.7 GPa
Elastic Coefficients
C11 = 31.5 C12 = 4.8 C44 = 3.82
Apparent Elastic Limit
n/a
Poisson Ratio
n/a
Solubility
98g/100g water
Molecular Weight
165.38
Class/Structure
Cubic FCC, NaCl, Fm3m, (100) cleavage
| µm | No |
|---|---|
| 0.24 | 1.754 |
| 0.35 | 1.603 |
| 0.40 | 1.583 |
| 0.50 | 1.563 |
| 0.60 | 1.552 |
| 0.70 | 1.546 |
| 0.80 | 1.540 |
| µm | No |
|---|---|
| 0.90 | 1.540 |
| 1.00 | 1.538 |
| 2.00 | 1.533 |
| 5.00 | 1.530 |
| 10.0 | 1.525 |
| 15.0 | 1.517 |
| 20.0 | 1.505 |
| µm | No |
|---|---|
| 25.0 | 1.489 |
| 30.0 | 1.469 |
| 35.0 | 1.444 |
| 40.0 | 1.412 |
Rubidium Bromide is produced by the sealed-ampoule Stockbarger technique.
REFERENCES:
(1) Handbook Optical Constants, ed Palik, V3, ISBN 0-12-544423-0