Yokogawa's Optical Spectrum Analyzers deliver high quality, cutting edge technology with dependability, performance and flexibility. They are designed to meet the performance requirements of research, development, verification or production. For over 30 years, Yokogawa (formerly Ando) OSAs have been used in Telecommunication, Active Component development, Passive Component development and many applications using light sources. Now, the latest generation of OSAs is helping develop new applications in bio-medical, environmental, life sciences, communications and consumer electronics, for example, Blue-Ray, 3D storage, Laser printers, CO2 sensors and 100G transmission. Built on years of experience as Ando, Yokogawa's OSAs deliver the usability and performance that continues to stand out in the industry.