The invention is directed to improved optical crossconnnect switch configurations and implementations. In one embodiment, a beam directing unit (600) includes an input port array (601), input fixed mirrors (604), an input movable mirror array (606), an output movable mirror array (608), output fixed...http://www.google.com/patents/US20040169909?utm_source=gb-gplus-sharePatent US20040169909 - CONFIGURATIONS FOR AN OPTICAL CROSSCONNECT SWITCH