Spectra Systems Corporation discovers, develops, and sells integrated optical systems in Rhode Island and internationally. It operates in three segments: Authentication Systems, Secure Transactions, and Banknote Cleaning. The company offers integrated solutions, including a system of taggant materials and sensor equipment to authenticate banknotes that are used by central banks, as well as G7 country for passport security; banknote cleaning solution that lifts sebum and other substances from the banknote through a dry process based on supercritical CO2 cleaning; and solutions to authenticate brand name products. It also provides solutions that deliver various levels of security and enable manufacturing companies to control products in process and detect defects in real-time; and internal control systems used to verify the accuracy of transactions logged by providers of lottery and gaming operators. In addition, the company offers software and hardware systems comprising high-speed currency authentication sensors; quality control equipment for use in paper and polymer banknote manufacturing and printing; authentication solutions designed to enhance the security of branded products; and security printers and hologram makers. The company was formerly known as Spectra Science Corporation and changed its name to Spectra Systems Corporation in June 2001. Spectra Systems Corporation was founded in 1996 and is headquartered in Providence, Rhode Island.