Integrated two-dimensional beam steering device based on lens

A steering device and lens technology, applied in the direction of measuring devices, optics, light guides, etc., can solve problems such as the limitation of two-dimensional scanning capabilities, and achieve the effects of control complexity, low power consumption, high reliability, and high power

Active Publication Date: 2019-02-01
SHANGHAI JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In short, the above schemes are either limited in power capacity, or in control complexity and power consumption, or in two-dimensional scanning capabilities.

Method used

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  • Integrated two-dimensional beam steering device based on lens
  • Integrated two-dimensional beam steering device based on lens
  • Integrated two-dimensional beam steering device based on lens

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereby.

[0029] see figure 1 , figure 1 It is a schematic diagram of Embodiment 1 of the lens-based integrated two-dimensional beam steering device of the present invention. It can be seen from the figure that the lens-based integrated two-dimensional beam steering device of the present invention includes a substrate 1, an input waveguide 2, a connecting waveguide 3, and a 1xN optical switch 4. Switching electrical interface 5, N switching output waveguides 6, N transmitting units 7, lens 8 and controller 51, the input waveguide 2, connecting waveguide 3, 1xN optical switch 4, switching electrical interfaces 5, N The switch output waveguide 6 and N emitting units 7 are prepared on the substrate 1, and the N emitting units 7 form a two-dimensional array on the upper surface of the s...

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Abstract

The invention discloses an integrated two-dimensional beam steering device based on a lens. The device comprises a substrate, an input waveguide, a connecting waveguide, a 1xN optical switch, a switching electrical interface, N switching output waveguides, N transmitting units, a lens, and a controller. The integrated two-dimensional beam steering device based on the lens can realize two-dimensional beam steering, and has the characteristics of large power capacity, low control complexity, and low electric power consumption.

Description

technical field [0001] The present invention relates to beam steering, in particular to a lens-based integrated two-dimensional beam steering device. Background technique [0002] LiDAR plays an important role in the field of automatic navigation such as automatic car driving and unmanned aircraft. Among them, the device for steering the laser beam is the core component of the lidar. At present, the common beam steering device is mainly based on mechanical rotation, which is large in size, high in power consumption, and susceptible to interference such as vibration. Compared with the mechanically rotating beam steering device, the all-solid-state beam steering device has a smaller body, lower power consumption, and is less susceptible to vibration interference, and has become a research hotspot. [0003] The currently reported all-solid-state beam steering devices mainly use the following types: [0004] Method 1: A solution based on a liquid crystal phase shifter. By ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/481G01S7/484G01S17/93
CPCG01S7/4814G01S7/484G01S17/931G02F1/3137G02B6/3596G02B6/3548G02B2006/12145G02B2006/12107G02B2006/12195G02B6/34G02B6/358G02B6/12004
Inventor 吴侃曹先益李超陈建平
Owner SHANGHAI JIAOTONG UNIV
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