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4 articles
Photonics Handbook
Clear All Filters x
interferometers angular and linear measuring x
Measuring Surface Roughness: The Benefits of Laser Confocal Microscopy
ROBERT BELLINGER, Evident
When evaluating the surface of a component, surface roughness can be assessed by eye or by rubbing it with a fingertip. Common expressions include “shiny,” “lusterless and...
Interferometry: Measuring with Light
Zygo Corporation
An interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...
Optical Delay Lines: Key to Time-Resolved Measurements
MKS/Newport
One of the most critical elements of any time-resolved spectroscopy and dynamics experiment is the optical delay line. A typical optical delay line consists of a retroreflector or folding mirrors on...
Polarization Mode Dispersion: Concepts and Measurement
Paul Hernday, Fiber Optic Measurement Training and Consulting
There are three fundamentally different dispersive phenomena in optical fiber, of which polarization mode dispersion (PMD) is the most complex. In digital multimode fiber systems, a light pulse...
Photonics Handbook
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