Lithium Fluoride

(

LiF

)
Eigenschaften 
Transmission Range

0.116-7.4 (Dicke 2mm)

Refractive Index

1.39126 @633 nm

Reflection Loss 

2.65% @0.633 µm

Residual Beam Wavelength  

26 µm (max. reflection)

Density  

2.63905 g/cm3

Melting point  

848°C

Molecular Weight 

25.94

Thermal Conductivity  

11.3 W/(m·K) @314 K

Spec. Heat Capacity  

1562 J/(kg·K)

Thermal Expansion  

37 · 10-6/ K @273...373K

Hardness (Mohs) 

102

Young's Modulus 

64.79 GPa

Shear Modulus 

55.14 GPa

Bulk Modulus  

62.03 GPa

Fracture Modulus 

10.9 MPa

Elastic Coefficient 

C11 = 112; C12 = 45.6; C44 = 63.2 GPa

Dielectric Constant

9.0 @298K, f = 100 Hz...10 GHz

Solubility in Water 

0.27g / 100g @18°C

Crystal Structure  

Single crystal, synthetic

Crystal Type  

Cubic, NaCl type structure, a= 4.02 Å  

Cleavage Planes 

(100)

Poisson Ratio  

0.22

Application  

X-ray monochromator plates; Optical material for VUV applications

Remarks  

Tends to create colour centers; max. temperature for application: 400°C

Remarkable 
  • Compared to all known crystals LiF has the smallest transmission edge in the field of VUV (116nm) and is therefore most suitable for VUV optics
  • It is easy to split and also used as a X-ray monochromator
NOTE: Despite careful research, we do not accept any liability for the correctness of the information provided. Liability claims based on the use of the information are excluded in principle.

Lithium Fluoride: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.

Contact/Inquiry

Korth Kristalle

Am Jägersberg 3
24161 Altenholz

+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525

info@korth.de


Contact

Remarkable

  • Compared to all known crystals LiF has the smallest transmission edge in the field of VUV (116nm) and is therefore most suitable for VUV optics
  • It is easy to split and also used as a X-ray monochromator