To meet the demands of customers, we are making company-wide efforts to pursue and guarantee quality by effectively managing all phases from the procurement of materials to production and tests.

We measure the optical properties * of CaF₂ that has been grown as crystal material for optical applications. Such CaF₂ product has a quality that satisfies the needs of customers when they use it as a crystal material or a material for lenses.
（*）Major optical properties

- Plane direction
- Transmittance (@ 193 nm)
- Birefringence (@ 193 nm, @ 633 nm)
- Homogeneity

To meet the demands of customers, we are making company-wide efforts to pursue and guarantee quality by effectively managing all phases from the procurement of materials to production and tests.