Debugging system and method for optical fiber coupling in laser radar optical receiving system
An optical receiving and lidar technology, applied in the field of photoelectric detection, can solve the problems of difficulty and time-consuming manual debugging, and achieve the effect of shortening the debugging time and reducing the difficulty of debugging.
Inactive Publication Date: 2011-12-21
UNIV OF SCI & TECH OF CHINA
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[0004] Manual debugging is difficult and time-consuming
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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0025] The embodiment of the present invention provides a fiber-optic coupling debugging system in the laser radar optical receiving system, the structure of which is as follows figure 1 shown, including:
[0026] (1) The three-dimensional adjustment frame is used to fix the first end face of the special optical ca...
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The invention discloses a debugging system for the fiber coupling in a laser-radar optical receiving system. The debugging system comprises a three-dimensional adjusting frame, a special optical cable, an array CCD (Charge Coupled Device) and a control device, wherein the special optical cable is composed of an imaging optical cable and a transmission optical fiber; a first end face of the special optical cable is fixed by the three-dimensional adjusting frame; the three-dimensional adjusting frame is also connected with the control device; a second end face of the special optical cable is connected with the array CCD; the second end face of the transmission optical fiber is connected with the control device; and an image output end of the array CCD is connected with the control device. The invention also provides a debugging method which adopts the debugging system. As the control device drives the three-dimensional adjusting frame to realize position adjustment, the fiber coupling in the laser-radar optical receiving system can be debugged automatically, so that debugging difficulty can be reduced, and debugging time can be shortened.
Description
technical field [0001] The invention relates to photoelectric detection technology, in particular to a debugging system and method for optical fiber coupling in a laser radar optical receiving system. Background technique [0002] In the laser radar system, optical transmission optical signals are transmitted between the telescope and the receiver in the optical receiving system. Specifically, the optical signal collected by the telescope is coupled into the transmission optical fiber, and the optical signal enters the optical path of the receiver through the transmission optical fiber and continues to propagate. In order to obtain the best coupling effect, the ideal situation is that all the optical signals output by the telescope enter the end face of the transmission fiber vertically, which requires adjusting the relative position between the end face of the transmission fiber and the focal point of the telescope. [0003] The current traditional coupling debugging metho...
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IPC IPC(8): G01S7/481
Inventor 孙东松夏海云张飞飞窦贤康舒志峰薛向辉陈廷娣
Owner UNIV OF SCI & TECH OF CHINA