美国空军科研处与康宁公司签订了用于研究光波导和光纤的卤化物玻璃的基础研究合同。谈公司所作的初步研究表明,由特殊的卤化物玻璃和氟化铍制成的光波导损耗比标准石英基光纤至少可降低两个数量级。用这样的低损耗光波导,可将信息传输几百公里甚至几千公 The U.S. Air Force Research Service and Corning Corporation have concluded a basic research contract for the research of halide glass for optical waveguides and optical fibers. Preliminary research conducted by the company shows that optical waveguide losses made from special halide glass and beryllium fluoride are at least two orders of magnitude lower than standard quartz-based fibers. With such low-loss optical waveguide, the information can be transmitted hundreds or even thousands of kilometers