Finisar Corporation (Finisar) is principally engaged in the provision of optical subsystems and products in relation with the local area networks (LANs), storage area networks (SANs) and metropolitan area networks (MANs). It offers network performance test equipments including ethernet, 10 Gigabit Ethernet, iSCSI, SAS and SATA and software packages to the network equipment providers. It targets network equipment vendors and communication engineering design enterprises such as Brocade, Cisco Systems, EMC, Emulex, Hewlett-Packard Company, Huawei, IBM and Qlogic as key sources of revenue. The company provides transceivers as a part of optical subsystems, which enables interface between electrical and optical equipment in constructing the various networks. It also offers unified lasers and photodetectors for LAN and SAN applications as well as passive optical components for the construction of MANs. Finisar has its operations around the world in different countries including the US, Australia, Hong Kong, India, Japan, Israel, Malaysia, and Singapore. The company is headquartered in California, US.