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Absolute Surface Reconstruction by Slope Metrology and Photogrammetry
Title
Absolute Surface Reconstruction by Slope Metrology and Photogrammetry
Author
Dong, Yue
Date Created
2014
Subjects--Topical
Optics
Description
Developing the manufacture of aspheric and freeform optical elements requires an advanced metrology method which is capable of inspecting these elements with arbitrary freeform surfaces. In this dissertation, a new surface measurement scheme is in...
INTERFEROMETRIC TECHNIQUE FOR MICROSTRUCTURE METROLOGY USING AN INDEX MATCHING LIQUID
Title
INTERFEROMETRIC TECHNIQUE FOR MICROSTRUCTURE METROLOGY USING AN INDEX MATCHING LIQUID
Author
Purcell, Daryl
Date Created
2010
Subjects--Topical
Optics
Description
Non-null interferometry offers a viable alternative to traditional interferometric testing of aspheric micro-lenses since computer generated holograms or null optics whose fabrication and testing are very expensive, are not required. However, due ...
Use of Optical Superbeams in Atmospheric Turbulence Applications
Title
Use of Optical Superbeams in Atmospheric Turbulence Applications
Author
Gu, Yalong
Date Created
2011
Subjects--Topical
Optics
Description
The use of nonconventional beam classes in turbulence applications is investigated. Through the study on pseudo-Bessel correlated beam propagation in the atmosphere, it is shown that scintillation reduction by a partially coherent beam can be obta...