| 摘要 |
<p>A part of the light energy transmitted through an optical conductor is diverted and taken out of it.</p><p>The device is made up of a first optical conductor rod having a through-hole in a radial direction, a second optical conductor rod tightly inserted into the half way position ofthe through-hole and firmly fixed thereon, the edge surface of the second optical conductor rod in the through-hole being formed on a surface inclined in relation to the direction of the first optical conductor rod's axis, a third optical conductor rod tightly inserted into the remaining portion of the through-hole, the edge surface of the third optical conductor rod in the througe-hole being formed so as to be engaged with the in Bed surface of the second optical conductor rod, and a fourth optical conductor rod firmly fixed on the outer cir- cumfs wential surface of the first optical conductor rod so as to cover the inserted portion of the second optical conductor rod, the third optical conductor rod having a groove formed along the direction of the third optical conductor rod's axis and the inclined surface of the third optical conductor rod beind fixedleaving a predetermined distance or gap between inclinedsuface fo the second optical conductorrod</p> |
