OPTICAL TRANSMISSION AND RECEIVING MODULE

摘要

AN OPTICAL TRANSMISSION AND RECEIVING MODULE (100) INCLUDES A LIGHT SOURCE (10); A LIGHT RECIEIVING ELEMENT (11); AND A LIGHT BRANCHING ELEMENT (20) FOR CAUSING LIGHT FROM THE LIGHT SOURCE TO BE INCIDENT ON AN OPTICAL FIBER (30) AND CAUSING SIGNAL LIGHT (54) OUTPUT FROM THE OPTICAL FIBER (30) TO BE INCIDENT ON THE LIGHT RECEIVING ELEMENT (11). THE LIGHT BRANCHING ELEMENT (20) INCLUDES A PRISM ARRAY (22A) INCLUDING A PLURALITY OF TRIANGULAR PRISMS (22) ARRANGED AT SUBSTANTIALLY AN IDENTICAL PITCH ON A PLANE EXTENDING SUBSTANTIALLY PERPENDICULAR TO AN IMAGINARY LINE CONNECTING THE LIGHT SOURCE (10) AND THE LIGHT RECEIVING ELEMENT (11).FIG. 1