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CaF2 Optics for Multiple Scientific Applications from Del Mar Photonics, Inc. The Optics Store from Del Mar Photonics expands its range of components made of CaF2, an excellent material in the laser optics field. It has wide use in high power laser optics due to its low absorption. Polished surfaces are stable and will last several years under normal conditions. CaF2 may be used as an optical material in the VIS and IR spectral regions, having a very wide transmission range from .25 to 7 μm. It has transmission above 90% between 0.
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