Laser-line scanning speckle reduction based on a one-dimensional beam homogenizer

2017 ◽  
Author(s):  
B. Nelsen ◽  
P. Jacobs ◽  
P. Hartmann
Keyword(s):  
Laser Line ◽  
Speckle Reduction ◽  
One Dimensional ◽  
Line Scanning ◽  
Beam Homogenizer

scholarly journals Super resolution laser line scanning thermography

2020 ◽  
Vol 134 ◽  
pp. 106279 ◽  
Author(s):  
S. Ahmadi ◽  
P. Burgholzer ◽  
P. Jung ◽  
G. Caire ◽  
M. Ziegler
Keyword(s):  
Super Resolution ◽  
Laser Line ◽  
Line Scanning

Research on the High Precision Laser Line Scanning Measuring System

2007 ◽  
Vol 339 ◽  
pp. 131-135 ◽  
Author(s):  
Jian Jun Ding ◽  
Zhuang De Jiang ◽  
Bing Li ◽  
Jun Jie Guo
Keyword(s):  
High Precision ◽  
Laser Scanning ◽  
Laser Line ◽  
Measuring System ◽  
Surface Measurement ◽  
Iteration Algorithm ◽  
Reconstruction Method ◽  
Loop Feedback ◽  
Axis Position ◽  
Line Scanning

Rapid reverse technology is one of the key technologies with which the enterprises develop new product and occupy the market rapidly. How to realize the reverse measurement and CAD geometry reconstruction rapidly and accurately is always the most important focus for the researchers. Based on the laser scanning technology, the realization principle of the laser line scanning measuring system is presented and the approaches to improve the precision are also analysed in the paper. The self-adaptation adjustment of the probe position can move the light knife image to the optimal imaging area of the CCD according to the calibration result, which will ensure the measurement precision of the CCD image. With the inner velocity loop and outer position loop feedback control, the simple axis position precision of the mechanical system can be controlled within 5um. In order to pick up the points of the light knife centre rationally and exactly, the reconstruction-disperse iteration algorithm is put forward. After processed by different iteration times, the optimal points can be obtained. The reconstruction method of curve and surface based on NURBS is also given. The paper presents the application and realization of the system at last, which realizes the curve and surface measurement with high precision.

Microscope vision system based on micro laser line scanning for characterizing microscale topography

2020 ◽  
Vol 59 (13) ◽  
pp. D189 ◽  
Author(s):  
Francisco Carlos Mejía Alanís ◽  
J. Apolinar Muñoz Rodriguez
Keyword(s):  
Vision System ◽  
Laser Line ◽  
Line Scanning

Underwater 3D reconstruction based on laser line scanning

2017 ◽  
Author(s):  
Shanchen Jiang ◽  
Fengna Sun ◽  
Zhaorui Gu ◽  
Haiyong Zheng ◽  
Wang Nan ◽  
...  
Keyword(s):  
3D Reconstruction ◽  
Laser Line ◽  
Line Scanning
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