JDS Uniphase Corporation provides communications test and measurement solutions, and optical products for telecommunications service providers, wireless operators, cable operators, network-equipment manufacturers, and enterprises worldwide. Its Communications Test and Measurement segment supplies instruments, software, and services to enable the design, deployment, and maintenance of communication equipment and broadband networks. This segment’s product portfolio consists of test tools, platforms, software, and services for wireless and fixed networks. The company’s Communications and Commercial Optical Products segment offers components, modules, subsystems, and solutions to communications equipment providers for telecommunications and enterprise data communications. These products comprise transmitters, receivers, amplifiers, ROADMs, optical transceivers, multiplexers and demultiplexers, switches, optical-performance monitors and couplers, splitters, and circulators that enable the transmission of video, audio, and text data through fiber-optic cables. This segment also provides laser products, including diode, direct-diode, diode-pumped solid-state, fiber, and gas lasers for micromachining, materials processing, bioinstrumentation, consumer electronics, graphics, medical/dental, and optical pumping applications; and photovoltaic products, such as concentrated photovoltaic cells and receivers for generating energy from sunlight, as well as fiber optic-based systems for delivering and measuring electrical power. Its Advanced Optical Technologies segment offers optical solutions for anti-counterfeiting, authentication, and thin film coatings for public and private sector markets. This segment also provides multilayer product-security solutions that deliver overt, covert, forensic, and digital product and document verification for protection against counterfeiting and tampering. The company was founded in 1979 and is headquartered in Milpitas, California.

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