AMTIR ATR Optical Elements

Spectral Systems offers a comprehensive set of ATR crystals for infrared sampling. We specialize in ATR coatings to optimize the performance and IR throughput for your ATR applications. We manufacture and design proprietary ATR crystals for many of our customers. We also offer many standard ATR replacement crystals for your existing accessory.

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  • AMTIR ATR Optical Elements

    Amorphous material transmitting IR (AMTIR) has very low water solubility and good chemical resistance – particularly to acids. It generally performs well in a pH range of 1-9. Although AMTIR contains arsenic and selenium, it is generally considered safe to handle. Coated versions of our AMTIR ATR crystals are available for improved IR throughput and enhanced seal within the ATR crystal plate.

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