Compact Diffractive Laser Device

I am developing a small, filtered laser module and need an experienced photonics Engineer to assist. The priority is the diffractive optics: shaping the beam with an axicon-based element and coupling it cleanly through the rest of the laser system... (Budget: $250 - $750 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Rendering, CAD / SolidWorks, CAD/CAM, Manufacturing Design, Mechanical Engineering, Optical Engineering, Product Design)