Off-axis paraboloids are excellent for collimation of a point source and for collecting of light from a distant source. The focal point is located outside of the collection area so that shadowing is eliminated.
These paraboloids are hand polished from large blanks of fine-annealed low expansion glass. They are finished to an accuracy of λ /10 and are provided with a measured interferogram. The back surface is ground so that when mounted the mirror normal bisects the angle between the focal axis and the collimated axis.
These mirrors are coated with protected aluminum to provide a reflectance of at least 85% over the visible and near infrared spectrum. Protected gold coatings are also available upon request for use over the infrared spectrum.
Nanjing Co-Energy Optical Crystal Co., Ltd. is one of the most professional suppliers of optics and optical components in China and our products range from different windows, lenses, prisms, mirrors, filters, beamsplitters, IPL Light guides and filters, tips and rods and so on. Our processing material varies a lot, from different optical glass, fused silica to crystal, i. e, Sapphire, CaF2, BaF2 and Germanium and Silica and more.
Pur products, which are strictly produced according to USA military specification MIL-O-13830A and ISO 10110 with advanced inspection devices, well quality control systems, ensuring our products in good quality and best performance in their own applications.
Most of our products are exported to USA and European companies, which are widely used in laser industry, biotechnology industy, communication and defense. Co-Energy makes every effort to provide high qualified components and devices at lower price. We have developed a series of specialized optical fabrication techniques for polishing in line with the highest international standards.
Co-Energy sales team is a group of energetic young people who have rich experiences of working. Our sincere attitude for quality and service prepared ourselves very well serving for the internation markets.
