Phase-shifting laser diode Sagnac interferometer for surface profile measurement

2007 ◽  
Author(s):  
Takamasa Suzuki ◽  
Masato Shirai ◽  
Osami Sasaki
Keyword(s):  
Laser Diode ◽  
Surface Profile ◽  
Phase Shifting ◽  
Profile Measurement ◽  
Sagnac Interferometer ◽  
Surface Profile Measurement

Surface Profile Measurement of Coal Based on Structured Light Multifrequency Phase-Shifting Technique

2019 ◽  
Vol 56 (4) ◽  
pp. 041102
Author(s):  
吴庆尉 Wu Qingwei ◽  
范海东 Fan Haidong ◽  
关键 Guan Jian ◽  
吴迎春 Wu Yingchun ◽  
吴学成 Wu Xuecheng
Keyword(s):  
Structured Light ◽  
Surface Profile ◽  
Phase Shifting ◽  
Profile Measurement ◽  
Phase Shifting Technique ◽  
Surface Profile Measurement
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