Lasers may be popularly considered the essence of precision optics and purity of color.

激光具有良好的光学精密性和单色性。

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It is difficult to meet the requirement of molding high precision optics plastic lens because the experience play an important role in the traditional plastic mold design and molding process.

传统的塑料模具设计及注射成型工艺参数对经验的依赖性较强，难以满足高精度光学塑料元件的成型需求。

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But what you probably haven't seen is this euro cent-sized projector created by crafty German engineers at the Fraunhofer Institute for Applied Optics and Precision Engineering in Jena.

ENGADGET: German researchers unveil a euro cent-sized projector

The high-performance systems that Lockheed Martin develops require a range of technologies, including cloud computing, biometrics, information management, modeling and simulation, precision pointing, energy management and storage, optics and electro-optics, and nanotechnology.

ENGADGET: Lockheed Martin's technology hub brings startups closer to government needs

He uses an improbable combination of green algae, blue lasers, gene therapy and fiber optics to map neural circuits deep inside the brain with a precision that has never been possible before.

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