Calcium fluoride (CaF2)
Optical materials for ultraviolet/visible light/infrared applications
Our "Calcium Fluoride (CaF2)" has been used for many years as a key material in micro-lithography for semiconductor manufacturing. It is commonly used as an optical element in excimer laser systems, and its distinctive properties are applied in various fields. Please feel free to contact us if you have any inquiries. 【Features (Lithotec(R) CaF2)】 ■ High transmittance over a wide wavelength range from deep ultraviolet 130nm to infrared 8μm ■ Low refractive index (nd=1.43384) ■ Low spectral dispersion (vd=95.23) ■ Excellent laser durability against excimer lasers such as 157m, 193nm, and 248nm ■ Strong durability against high-energy molecules and radiation ■ Large crystal with a diameter of 420mm *For more details, please download the PDF or contact us.
- Company:Hellma Materials Japan
- Price:Other