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Agile Optical Beam Scanners Using Wavelength and Space Manipulations

机译:使用波长和空间操纵的敏捷光束扫描仪

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摘要

An agile optical scanning scheme is proposed that uses wavelength manipulations for deflecting a free-space optical beam by selection of the wavelength of the light incident on a wavelength dispersive optical element. Using fast tunable lasers or optical filters, this scanner features microsecond domain scan setting speeds, single/multiple beam(s) in space, and large several centimeters or more diameter apertures for sub-degree angular scans. The beam scanning scheme offers simple control (via wavelength tuning). The paper also introduces space multiplexing for optical beam scanning and discusses various system architectures utilizing both space and wavelength multiplexing to achieve high speed optical scanning with coarse and fine tuning capability. Experiments described demonstrate high-speed, high resolution, wavelength tuned optical scanning in one-dimension (1-D), two-dimensions (2-D), and three-dimensions (3-D).
机译:提出了一种灵活的光学扫描方案,该方案使用波长操纵来通过选择入射在波长色散光学元件上的光的波长来偏转自由空间光束。该扫描仪使用快速可调激光器或滤光片,具有微秒级域扫描设置速度,空间中的单/多束光束以及大的厘米级或更大直径的孔,可进行亚度角扫描。光束扫描方案提供了简单的控制(通过波长调谐)。本文还介绍了用于光束扫描的空间多路复用,并讨论了利用空间和波长多路复用来实现具有粗调和微调功能的高速光扫描的各种系统架构。所描述的实验证明了在一维(1-D),二维(2-D)和三维(3-D)中的高速,高分辨率,波长调谐光学扫描。

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