Our Calcium Flouride beam splitting plates are designed for use in the 2-8 µm wavelength range. Coated with a multi-layer dielectric beamsplitter coating, the optics are optimized for IR use with a 50% +/- 10% splitting ratio.
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CAFBS10 IR Beamsplitter, Calcium Fluoride, 25.4 mm, 50R/50T Ratio | $656.00 |
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CAFBS11 IR Beamsplitter, Calcium Fluoride, 38.1 mm, 50R/50T Ratio | $734.00 |
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CAFBS12 IR Beamsplitter, Calcium Fluoride, 50.8 mm, 50R/50T Ratio | $827.00 |
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CaF2 beamsplitters are an ideal material for applications in the IR region. In general, CaF2 has a transmission above 90% between 0.25 µm and 7 µm, making it a great choice for deep UV to infrared applications. In addition, with its low absorption and high damage threshold, CaF2 is commonly used for excimer laser applications.
Calcium Fluoride is transparent in the UV and Visible wavelength ranges, making it suitable for applications such as fluorescence imaging or spectroscopy where operation over many wavelength bands is essential. Compared to most IR materials, Calcium Fluoride has both high average transmission and low chromatic aberration.
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