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Architectures of optical phased array for two-dimensional beam-steering with wavelength change and beam-steering methods thereof
Architectures of optical phased array for two-dimensional beam-steering with wavelength change and beam-steering methods thereof
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机译：具有波长变化的二维光束转向的光相控阵的结构和梁转向方法
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摘要
Disclosed are an optical phase arrangement structure and a beam steering method capable of two-dimensional beam steering by changing a wavelength. An optical phase arrangement structure according to an embodiment of the present invention is an optical phase arrangement structure capable of two-dimensional beam steering, comprising: a light source providing light capable of modulating a wavelength; An optical power splitter that distributes power of light provided from the light source; A phase controller array controlling a phase of each of the distributed light waves; A phase supply line array for transmitting the phase-controlled light wave; And a light emitter array that emits the transmitted light wave into space, wherein the phase supply line array is formed such that a path difference between each phase supply line and another adjacent phase supply line is formed at equal intervals, so that the wavelength of the light source is changed. In this case, the phase difference reaching the adjacent optical emitters is continuously changed due to the path difference between the phase supply lines, and the optical phase arrangement structure continuously changes the phase difference reaching the adjacent optical emitters due to the path difference between the phase supply lines. It is characterized in that the beam radiated from the light emitter array is steered in a horizontal direction and a vertical direction in a two-dimensional space using the principle that is described above.
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