MgF2 crystal

MgF2 single crystal is a birefrigent material with particular properties. It has a high resistance to mechanical and thermal shock and radiation.With wide transparent range and high transmissbility, it becomes a popular choice for UV and excimer laser windows, polarizers, prisms, lenses, wedges, windows, and other optical components.

 

Specifications:

Surface Quality:	better than 40/20 scratch/dig
Parallelism:	< 10 arc sec
Optical Axis Orientation:	+/-0.2deg
Flatness:	< l/8 @632.8nm
Wavefront Distortion:	<l /4@632.8nm
Coating:	Coating upon Request

 

 

Physical and Optical Properties

 

Transparency Range :	130-7000nm
Density  :	3.18 g /cm 3
Melting point	1255 °C
Mohs Hardness	6
Thermal Expansion Coefficients	parallel c-axis: 10.86 - 14.54 vertical c-axis: 6.23 - 9.25
Specific heat capacity	920 J kg -1 K -1
Absorption coefficient (cm -1 )	0.07 at 0.2 µm; 0.02 at 5.0 µm