OST Photonics BaF2 Window Crystals

OST Photonics BaF2 IR Windows Crystals
BaF2 window crystals or Barium Fluoride window crystals, with their extremely broad transmission range from the deep UV to LWIR spectrum, are prevalent for Infrared applications requiring additional transmission in the Ultraviolet region. BaF2 window crystals are excellent when being used for IR spectroscopes and as viewport windows for thermal imaging inspection in electric power facilities and petroleum industries. A low refractive index of 1.48 implies BaF2 crystal windows have high transmission rates without anti-reflection coating.
 
BaF2 window crystals has similar properties to CaF2, the difference mainly lies in that barium fluoride window is more resistant to highly energetic radiation, and with an equivalent thickness, the transmission range of BaF2 window extends approximately 1 micron further into the long-wave IR region than calcium fluoride. BaF2 window crystals could also accommodate high-temperature environments up to 800 ℃. However, exposure to moisture will increase its sensitivity to temperature and reduce its transmission rate to UV lights. If you would like to know more about BaF2 IR windows, BaF2 window crystals prices, please do not hesitate to contact Ost Photonics.
 
Application of BaF2 Window (Barium Fluoride Window)Crystals
 
Infrared and ultraviolet windows/prism
 
High energy physics
 
Nuclear physics
 
Nuclear medicine
 
Advantages of BaF2 Window (Barium Fluoride Window)Crystals
 
Excellent Transmission from 200nm–12μm
 
Resistant to High-Energy Radiation
 
Provide High Transmission without AR Coatings
 
Specifications of BaF2 Window (Barium Fluoride Window)Crystals
Orientation
Random or as requested
Size
Upon the customer’s request
Diameter Tolerance
+0/-0.1 mm
Thickness Tolerance
+/-0.1 mm
Aperture
>90%
Surface Quality
80/50~10/5 (S/D)
Parallelism
<1 arc minute
Chamfer
0.2-0.5mmx45°
Coating
Uncoated or upon customer’s request
 
Properties of BaF2 Window(Barium Fluoride Window) Crystals
Transmission Range
0.15 to 12 microns
Refractive Index
1.45 at 5 microns
Refractive Loss
6.5% at 5 microns
Crystal/Class Structure
Cubic CaF2
Cleavage Plane
(111), Perfect
Density
4.89 g/cc
Hardness(Knoop)
Knoop 82 with 500g indenter
Youngs Modulus
53.07 GPa
Shear Modulus
25.4 GPa
Bulk Modulus
56.4 GPa
Poisson Ratio
0.343
Elastic Limit
26.9 Mpa (300psi)
Molecular Weight
175.36
Thermal Expansion
18.1×10^-6/℃ at 273K
Thermal Conductivity
11.72 W m-1K-1 at 286K
Melting Point
1386 ℃
Specific Heat Capacity
410 J Kg-1K-1
Thermal Expansion
18.1×10^-6/℃ at 273K
Solubility
0.17g/100g water at 23℃
 
Jiaxing AOSITE Photonics Technology Co.,Ltd. (OST Photonics) is a high-technology company specialized in manufacturing and developing various of crystal material products. Over the years, with reliable product quality, excellent service and rich experience in crystal processing and production, we are committed to becoming the most professional crystal products manufacturer and supplier in the world.