ARTIS is a team with the GRAVIR research lab. They released a series of tutorials which highlight the use of Ogre for research. These tutorials can allow you to use Ogre in support of their research or prepare you for using Ogre in your own research.
Introduction : Installing Ogre
Tutorial1 : Displaying and manipulating a scene
Tutorial2 : Using Ogre's facilities for debugging
Tutorial3 : Assembling a nice scene
Tutorial4 : Rendering your own stuff