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MÉTODO DE PROCESSAMENTO DE IMAGEM PARA DETERMINAR A PROFUNDIDADE DO FOCO DE UM LASER REFRATIVO
专利权人:
WAVELIGHT GMBH
发明人:
BERNDT WARM
申请号:
PT11805428
公开号:
PT2797562T
申请日:
2011.12.29
申请国别(地区):
PT
年份:
2018
代理人:
摘要:
The present invention relates to a laser apparatus, system, and method for determining a depth of a focus point of a laser beam. An interface device is coupleable to the laser apparatus and has an applanation element comprising a front surface and a back surface. A laser beam having a predefined shape is focussed through the applanation element at a focus point. A superimposed image of a spurious reflection, which is reflected from the front surface of the applanation element, with a standard reflection, which is reflected from the back surface of the applanation element, is detected. The spurious reflection is then filtered out of the superimposed image. Based on the remaining standard reflection, the depth of the focus point of the laser beam can be determined.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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