Potassium Bromide KBr
DownloadPotassium Bromide is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant. Potassium Bromide is the most commonly used beamsplitter material for IR spectrophotometers.
| µm | No |
|---|---|
| 0.405 | 1.5898 |
| 0.436 | 1.5815 |
| 0.486 | 1.5718 |
| 0.508 | 1.5684 |
| 0.546 | 1.5639 |
| 0.587 | 1.5600 |
| 0.643 | 1.5559 |
| 0.707 | 1.5524 |
| µm | No |
|---|---|
| 1.014 | 1.5441 |
| 2.440 | 1.5373 |
| 3.419 | 1.5361 |
| 4.258 | 1.5352 |
| 6.238 | 1.6329 |
| 8.662 | 1.5290 |
| 9.724 | 1.5270 |
| 11.04 | 1.5240 |
| µm | No |
|---|---|
| 14.29 | 1.5150 |
| 17.40 | 1.5039 |
| 19.91 | 1.4929 |
| 23.86 | 1.4714 |
| 25.14 | 1.4632 |
| 28.00 | 1.4423 |
| 30.00 | 1.4253 |
Potassium Bromide is produced in large ingots by the Kyropoulos growth method. Potassium Bromide cleaves easily. With care Potassium Bromide can be polished to a high standard under humidity controlled conditions.
REFERENCES:
(1) Stephens et. al.; J.Opt. Soc. Am. V43, p111, 1953
(2) Kohler; Z. Physik. Volk 78, p375. 1932
(3) Ballard, McCarthy & Davis; Rev. Sci. Insts, V21, p905, 1970
(4) Combes, et.al.; J.Opt. Soc. Am. V41, p215, 1951.
(5) Huntingdon; Phys.Rev. V72, p321, 1947
(6) Hipple; Dielectric Materials & Applications. Wiley
(7) H.H.Li, Absorption Coefficients, Int.J.Therm, V1, No. I, 1980