Therefore, the materials for infrared
transparent window needs to be high qualified,
and should meet the basic requirements as following:
1)High mechanical strength: infrared transparent window material should have sufficient strength, so that it can withstand the high-speed movement of the pressure load.
2) High thermal stability: can withstand
the impact of aerodynamic heating
and high temperature caused by the change, transmittance and
refractive index by the temperature
changes.
3) High chemical stability: the material is exposed to the air, so
that the material should be able to prevent
salt solution or etching gas corrosion, and should not be easy deliquescence
4) High
optical transmittance: can efficiently transmit the ultraviolet to the infrared radiation
5) High optical properties: small optical scattering
and good refractive index
6) Meet requirement of large size window
Sapphire growing in tungsten crucible, is a wonderful material that can meet all the above requirements. It is
suitable for television, infrared imaging and radar. Furthermore, it can meet
the high requirement of hypersonic missile wave-transparent.
And this is why sapphire has become an excellent choice for high-speed fighter in advanced countries, missiles
and other medium wave infrared
transparent window material.
More details, please contact us by email sales@chinatungsten.com.
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