Electrical apparatus and instruments, namely, electro-optic devices, namely, astigmatic lenses, bulk material devices, detectors, diffractive lenses, edge-emitting lasers, electro-optic couples, fiber optic cable, high frequency wave guides, lasers, nano-lasers, optical couples, optical gain fiber amplifiers, optical gratings, optical lasers, optical logic gates, optical prisms, optical resonators, optical switches, optical transmission systems, optical wave guides, photonic amplifiers, photo...