Langqi raster schlieren instrument for measuring surficial shape of object

Application Number: 00107766
Application Date: 2000.05.26
Publication Number: 1271856
Publication Date: 2000.11.01
Priority Information:
International: G01N21/45
Applicant(s) Name: Qinghua Univ.
Inventor(s) Name: Wang Boxiong;Liu Xingzhan;Luo Xiuzhi
Patent Agency Code: 11201
Patent Agent: liao yuanqiu
Abstract A Langqi raster schlieren device for measuring the surface form of object is composed of optical path elements and mechanical structure for fixing and integrating the optical path elements into one whole. Said optical path elements include laser component, splitter, reflector, collimating lens, 2D Langqi raster and camera. Said mechanical structure includes vertical sleeve barrel, transverse sleeve barrel, column, bottom plate, guide track and track holder. The gradient informations above surface form changes in x and y directions can be acquired simultaneously. Its advantages are compact structure, easy assembling and convenient operation.