Implemented the laser target in a different way. Now working.

demos/optical_bench/src/Optix Files/laser_target.cu

demos/optical_bench/src/Optix Files/laser_target_material.cu

demos/optical_bench/src/optix_context_manager.cpp

demos/optical_bench/src/ray_pass.cpp

demos/optical_bench/src/ray_pass.hpp

resources/models/opticalBench/laser/target.blend

resources/models/opticalBench/laser/target.blend1

resources/models/opticalBench/laser/target.mtl

resources/models/opticalBench/laser/target.obj