Window Materials
ARS cryostats are available with a large selection of optical windows for UV, VIS, and IR experiments.
- UV - 0.1 to 0.3 µm (100 to 300 nm)
- VIS - 0.3 to 1 µm (300 to 1000 nm)
- IR - 1 µm and beyond ( 1000 nm)
Custom window materials available upon request.
High Purity Quartz (SiO2)
Unaffected by most solvents, useful range 250-2500 nm (GE124)
W-X1-HPQ
Calcium Fluoride (CaF2)
Insoluble in water, does not fog.
W-X1-CAF
Cesium Iodide (CsI)
Soluble in Water, extremely hygroscopic.
W-X1-CSI
Fused Silica - IR Grade
Synthetic quartz, Unaffected by most solvents.
W-X1-SQ-IR
Fused Silica - UV Grade
Synthetic Quartz, Unaffected by most solvents
W-X1-SQ-UV
Potassium Chloride (KCl)
Hygroscopic, slightly soluble.
W-X1-KCL
Potassium Bromide (KBr)
Hygroscopic, soluble in water.
Good resistance to mechanical and thermal shock.
W-X1-KBR
Sapphire (Al2O3)
Hardest and most inert material.
Recommended for cold windows.
W-X1-SA
Thallium Bromoiodide (KRS-5)
Not hygroscopic, Slightly soluble in water. Soft, easily deformed.
W-X1-KRS
Zinc Selenide (ZnSe)
Laser Grade. Insoluble in water, acids and bases.
W-X1-ZSE
Zinc Sulphide (ZnS)
Insoluble in water, acids, and bases. Reacts to strong oxidizing agents. Good resistance to thermal and mechanical Shock
W-X1-KRS
Picarin and Polyethylene
For Terrahertz spectroscopy applications