| http://www.w3.org/ns/prov#value | - This example of embodiment is a configuration that is similar to the example of Embodiment 2, and it differs in that (a) 45-degree mirror 15 is inserted between lens 12 and mirror array 13 as a device for converting light paths by 90 degrees, and it is configured such that the mounting surfaces of combining/branching devices 20 and 21 and the mounting surface of mirror array 13 are parallel to one
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