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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.

Sodium Chloride (
NaCl
)

Properties (NaCl)
Transmission Range	0.180 ... 20 µm
Refractive Index	1.49980 @9.5 µm
Reflective Loss	7.5% @10.0 µm
Reststrahlen	50.1 µm
Density	2.164 g/cm³
Melting Point	801°C
Molecular Weight	58.45
Thermal_Conductivity	6.49 W/(m·K) @16°C
Specific Heat	854 J/(kg·K) @0°C
Thermal Expansion	44 · 10^-6/°C @-50°... 200°C
Hardness (Mohs)	15.2 <110>; 18.2 <100>, (indenter load: 200g)
Young`s Modulus	39.98 GPa
Shear Modulus	12.61 GPa
Bulk Modulus	24.42 GPa
Rupture Modulus	2.38 MPa
Elastic Coefficient	C₁₁ = 48.7; C₁₂ = 12.6; C₄₄ = 12.75 GPa
Dielectric Constant	5.9 @25°C, f = 100 Hz...25 GHz
Solubility in Water	35.7 g / 100g @0°C
Type of Material	single crystal
Crystal Structure	cubic, a₀ = 5.64 A
Cleavage Planes	(100)
Standard Diameter	180 mm, larger diameters on request
Application	material for IR optics, CO₂ laser windows, substrate material for thin films, X-ray monochromator crystals
Remarks	soluble in glycerol, slightly soluble in alcohol and ammonium hydroxide, insoluble in HCl, max. temperature for application: 400°C, dryness important for stockkeeping!, doped crystals on request

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.