Coherent optical beam formation is a new wideband radio frequency beam-forming technology, which is based on optical interference, diffraction principle and optical Fourier transformation.

相干光学多波束形成技术是根据光学的干涉与衍射原理，利用光学傅里叶变换而实现的一种新型的宽带射频多波束形成技术。

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The effects of the optical beam width and cladding on imaging are analysed.

分析了光束束宽和包层对成像的影响。

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The laser optical beam deflection method is one of the noncontact sensing technique.

激光光束偏转法是一种非接触的探测技术。

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An optical mouse uses a beam of light and an optical sensor to detect movement over a surface -- there are no moving parts.

CNN: Review: Apple Pro Mouse

The new technology places glass optical fibers, which contain a laser diode that sends a signal beam into the optical, into the flutes.

FORBES: Fiber-Optic Sensors Set Stage for Extreme Snipers

Moreover, engineers have worked out how to make laser beams more intense by using short lengths of optical fibre to narrow the beam.

ECONOMIST: Monitor