Related Experiment Video
Updated: Jun 13, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
Reflection-transmission phase shift: interferometer and viewing optics
J A Monjes1, B W Weinstein, D L Willenborg
1University of California, Lawrence Livermore National Laboratory, P.O. Box 5508, Livermore, California 94550, USA.
Abstract:
The interferometer and viewing optics that are the main optical components of an automated surface mapping system used to characterize the surface topography and the wall thickness uniformity of opaque and transparent spherical shells are described. To characterize surface finish or wall thickness of spherical shells with an accuracy of 10 nm and a resolution of 1 microm, the differential phase shift between two beams of orthogonal polarizations is measured before and after the probe beam has interacted with the test object.
Related Concept Videos
Interference and Diffraction
Phase Contrast and Differential Interference Contrast Microscopy
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
IR Spectrometers

