BARIUM OXIDE POWDER It replaced lead oxide ( Lead oxide was used to raise the refractive index, but it also raised the dispersive power. Barium oxide only raises the refractive index) . Barium oxide....
We are honored to introduce ourselves as one of leading suppliers of barium chloride in China. Our barium chloride dihydrate is used in caustic soda electrolysis, metal heat treatment, pigments, ....
Lens: Capacity: 120, 000pcs/ month Diameter: Diam 1.5mm--200mm Surface Quality: up to 10-5, S/ D Surface irregularity: up to lambda/ 10 Type: singlet, achromat, cylindrical, assembly Featured products: ....
A professional OEM in optical field. Our production plant can supply a wide range of optical products. They include all kinds of Lenses, Windows, Mirrors, Prisms and Filter, crystal components etc.....
high gain, low threshold, and high absorption coefficients at pumping wavelengths
FOCtek Photonics, Inc. was established in Nov. 18, 2001, which is a joint venture company integrated in manufacturing, marketing and designing . Our products include Laser crystals, NLO crystals, ....