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We will shortly be offering a large selection of optical components for the Infrared to Ultraviolet regions of the spectrum in our web shop.

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Our optical components are suitable for a wide range of applications. If you are interested in a particular area, please click on the link below.

Potassium Chloride (
KCl
)

Properties (KCl)
Transmission Range	0,21 - 25 µm
Refractive Index	1.488 @0.6 µm; 1.454 @10.6 µm
Reflective Loss	6.8% @10.0 µm
Reststrahlen	63.1 µm
Density	1.989 g/cm³
Melting Point	776°C
Molecular Weight	74.55
Thermal_Conductivity	6.53 W/(m·K)
Specific Heat	690 J/(kg·K)
Thermal Expansion	36 · 10^-6/°C
Hardness (Mohs)	7.2 <110>; 9.3 <100> (indenter load 200g)
Young`s Modulus	29.6; 38.1 GPa
Shear Modulus	6.24 GPa
Bulk Modulus	17.36 GPa
Rupture Modulus	4.4 MPa
Elastic Coefficient	C₁₁ = 40.2; C₁₂ = 6.7; C₄₄ = 6.29 GPa
Dielectric Constant	4.64 @25°C, f = 1 MHz
Solubility in Water	34.7g/ 100g @20°C
Type of Material	single crystal, synthetic
Crystal Structure	cubic, NaCl type structure, a₀= 6.2931 Å
Cleavage Planes	(100)
Standard diameter	180 mm, large diameter on request
Application	IR spectroscopy, windows for Co₂ laser, protection windows for cutting lenses
Remarks	coating available, high laser radiation resitance, max. temperature for application 400°C, sensitive in combination with humidity and weak alcohol (but less than KBr)

Transmission spectrum

Transmission spectrum-2

NOTICE: While we endeavour to ensure that the information on this Website is correct, we do not warrant the accuracy and completeness of the material on this Website.

Material

Please click on the link below for more information about our materials or choose from the transmission curve. Here you can select the correct material for your spectral range. Please click on the link on the left.

This symbol denotes crystal grown in-house.