The invention provides unitary optics modules that integrate several light management functions for performing optical spectroscopy, such as Raman spectroscopy, and optical spectroscopy systems that include one or more of the unitary optics modules. Methods of using the modules and systems are also ...http://www.google.com.au/patents/US7952706?utm_source=gb-gplus-sharePatent US7952706 - Multi-channel fiber optic spectroscopy systems employing integrated optics modules
