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Moisture resistance of polished and coated KCl windows |
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| Authors: | L. C. Nistor S. V. Nistor V. Teodorescu M. M. Voda |
| Abstract: | The moisture resistance of ultratransparent KCl grown in a reactive atmosphere was studied on polished KCl samples coated with protective films of BaF2. The lifetime was improved about 4 times compared with uncoated samples. A further improvement was obtained by additional chemical polishing before coating. However, in such a case buckling of the film in a pattern of narrow parallel stripes was observed in an intermediate stage of the humidity test. |
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