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ISP Optics Thallium Bromoiodide (KRS-5) Windows

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Thallium Bromoiodide (KRS-5) Windows

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  • Broad Transmission from 700nm - 40μm
  • Non-Hydroscopic
  • Ideal for FTIR Spectroscopy with Aqueous Samples

Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
85
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
40.2
Parallelism (arcmin):
<3
Poisson's Ratio:
0.37
Young's Modulus (GPa):
31
Coating:
Uncoated
Surface Flatness (P-V):
λ/10 @ 10.6μm
Surface Quality:
60-40
Wavelength Range (nm):
700 - 40000
Coefficient of Thermal Expansion CTE (10-6/°C):
6.0
Density (g/cm3):
7.37

Products

Dia. (mm)  Thickness (mm)   Coating   Compare   Stock Number   Price  Buy
12.70 1.00 Uncoated
25.40 2.00 Uncoated
25.40 3.00 Uncoated
25.40 4.00 Uncoated
50.80 3.00 Uncoated

Product Details

ISP Optics Thallium Bromoiodide (KRS-5) Windows provide flat transmission across the broad wavelength range of 700nm - 40μm. KRS-5 is non-hygroscopic and relatively insoluble in water, allowing for its use in FTIR spectroscopy as liquid cell windows for the analysis of aqueous samples. These windows also have good chemical resistance except against strong acids. ISP Optics Thallium Bromoiododide (KRS-5) Windows are ideal for use in FTIR spectroscopy, as protective windows for acid-sensitive or hygroscopic optics, or as substrates for infrared holographic polarizers.

Note: Thallium bromoiodide (KRS-5) is a toxic material that can be absorbed through the skin. Gloves must be worn while handling this material. KRS-5 has a tendency to cold flow and the shape of these optics may change over time.

Technical Information

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