Published on 23-Jan-2023

New E-Book—The Latest Info on Optical Metrology in Additive Manufacturing

New E-Book—The Latest Info on Optical Metrology in Additive Manufacturing

Ten years ago, 3D printing might have conjured up images of replicators from popular sci-fi shows and movies, where anything can be created on a whim. Today, however, 3D printing—also known as additive manufacturing—provides manufacturers and researchers with a wide array of possibilities for creating new, easily customizable shapes and structures.


But as with every new manufacturing method, characterizing components and finished goods is an essential part of the production process. Optical metrology is a well-established and commonly used method for looking at surface properties, making it an ideal tool to inspect structures made by additive manufacturing.

To provide an overview of recent developments in optical metrology, we teamed up with scientific publisher Wiley to create an e-book series that contain research-based articles on specific applications. You can download and read this e-book here.


Overview of E-Book Contents

The first article, by Bazaz et al, looks at structures produced by soft lithography of polydimethylsiloxane (PDMS)—a polymer with wide-ranging applications in microfluidics. To determine different roughness parameters the researchers used our LEXT™ OLS5000 confocal laser scanning microscope.

Lithography also features in the second article by Brinkmann et al. It describes a new method for additive manufacturing of ceramic structures, in which resins reinforced with silicon carbide ‘whiskers’ are used to improve mechanical properties. The researchers needed to be able to investigate whisker size and geometry at very high resolutions, so they used a LEXT microscope because of its ability to carry out precise 3D measurements with an axial resolution of 10 nm and a lateral resolution of 25 nm.

Gerlein et al look at laser-assisted selective crystallization of titanium dioxide (TiO2) in the e-book’s final article. This method enables high-yield amorphous-to-crystalline conversion of TiO2 at room temperature, and a LEXT microscope was used for the required high-resolution optical imaging and 3D reconstructions.


Together, these articles provide insights into the way laser confocal microscopes enable detailed qualitative and quantitative analysis of surfaces produced by additive manufacturing. The e-book also contains a concise introduction to additive manufacturing and some quick, useful tips to keep in mind when writing a scientific paper. A worthwhile read for anyone involved in this developing field.

Take a look at the e-book here.

Author: Markus Fabich

Product and Application Specialist for Materials Science Microscopy

Markus Fabich is a Product and Application Specialist for Materials Science Microscopy at Olympus SE Co. KG (Hamburg, Germany). He received his Photoingenieur (photo engineer) degree from Cologne University of Applied Sciences in 2003, where his thesis focused on diffractive optical elements. Markus joined Olympus in 2003 and has experience working in many fields, including technical service for high-end microscopy, before beginning his current role.

Source: https://www.olympus-ims.com/it/insight/new-e-bookthe-latest-info-on-optical-metrology-in-additive-manufacturing/?utm_content=falcon&utm_campaign=10843e63bcb3463db867bd78fe9c6b2b-26455&utm_medium=social-media&utm_source=linkedin 



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