Prisms

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Harrick Scientific offers right-angle prisms for infrared ATR spectroscopy. Our prisms are available in ZnSe and Ge, as listed below. We welcome the opportunity to quote on other sizes and materials to meet your requirements. Please find replacement prisms for our ATR accessories under the listing for the specific accessory.

UV-Vis-IR Optical Materials for Prisms

 nKH

(psi)
MOR

(psi)
useful range cm-1 (μm)chemical properties
Windows

1-2mm
IRE

70mm
Ge 4.0 550 7000 5000-600

(2.0-17)
5000-900

(2.0-11.4)
Insoluble in water, soluble in hot H2SO4, aqua regia
ZnSe 2.42 150 8000 20,000-500

(0.5-20)
20,000-700

(0.5-14.3)
Soluble in strong acids; dissolves in HNO3
n: Refractive IndexKH: Knoop HardnessMOR: Rupture Modulus
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