Search results | J. Murrey Atkins Library

Title: DYNAMIC RANGE ENHANCMENT IN DIGITAL FRINGE PROJECTION AND LASER INTERFEROMETRY
Author: Babaie, Gelareh
Date Created: 2015
Subjects--Topical: Optics, Engineering, Meteorology
Description: GELAREH BABAIE. Dynamic range enhancement in digital fringe projection and laser interferometry. (Under the direction of DR. FARAMARZ FARAHI)Optical metrology is the science and technology concerning measurements with light. Surface texture and 3D...

Title: Calibrating slope-dependent errors in profilometry
Author: Zhou, Yue
Date Created: 2014
Subjects--Topical: Mechanical engineering, Optics
Description: Optical profilometers, such as scanning white light interferometers and confocal microscopes, provide high resolution measurements and are widely utilized in many fields for measuring surface topography. The techniques are capable of high-speed su...

Title: ABSOLUTE DISTANCE (THICKNESS) METROLOGY USING WAVELENGTH SCANNING INTERFEROMETRY
Author: Suratkar, Amit
Date Created: 2009
Subjects--Topical: Optics, Optical engineering, Metrology
Description: Wavelength scanning interferometry offers a new dimension in precision metrology by measuring the cavity length (thickness), the cavity length variation over the cavity area (flatness), and the optical homogeneity within a transparent cavity; with...

Title: LOW UNCERTAINTY SURFACE AREA MEASUREMENT USING DEFLECTOMETRY
Author: Pouya Fard, Ali
Date Created: 2018
Subjects--Topical: Optics, Engineering, Metaphysics
Description: Deflectometry has been introduced as a viable alternative to interferometric measurement of specular freeform optical surfaces. Deflectometry measurements show high repeatability; however, due to the errors remaining after the calibration and data...

Title: MID-SPATIAL FREQUENCY CHARACTERIZATION AND SPECIFICATION FOR FREEFORM SURFACES USING ZERNIKE POLYNOMIALS
Author: Hosseinimakarem, Zahra
Date Created: 2017
Subjects--Topical: Optics, Engineering
Description: Mid-spatial frequency on freeform optical elements induces small-angle scatter and affects the optical performance. Fabrication techniques involved in making freeform surfaces leave tooling marks on the surface due to the sub-aperture nature of th...

Title: OPTICAL INSTRUMENTATION USING GEOMETRIC PHASE ELEMENTS
Author: Light, Alyson
Date Created: 2020
Subjects--Topical: Mechanical engineering, Optics, Engineering
Description: Traditional optical instrumentation typically requires a controlled, stable environment, and this limits systems to a laboratory setting. For in-situ metrology applications and outdoor measurements, novel methods that are compact and stable are re...

Title: THE FRACTIONAL BISPECTRUM NOISE REDUCTION TECHNIQUE AND APPLICATIONS IN INTERFEROMETRY
Author: Babaie, Jonathan
Date Created: 2019
Subjects--Topical: Optics
Description: In the field of optical metrology, there are many existing techniques for measurement of the surface profile or film thickness of a sample of interest. However, many of these common techniques break down when there exists a high level of noise in ...

Title: IN-SITU MEASUREMENT OF DIMENSIONS AND SURFACE PROFILE OF AXISYMMETRIC OBJECTS USING FRINGE PROJECTION TECHNIQUE
Author: Farahi, Navid
Date Created: 2018
Subjects--Topical: Optics, Physics
Description: Fringe projection technique has been a powerful tool for 3D metrology and surface profilometry with high repeatability. However, for in-situ measurement of objects with highly specular surfaces, large dimensions, and large varying slopes, acquirin...