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John McCauley
MKS Ophir

John McCauleyJohn McCauley is senior business development manager for MKS Ophir with a focus on automotive and directed energy applications. From 2009 to 2016, he served as the Midwest regional sales manager and product specialist for all markets. Since 1998, McCauley’s background has been as an end user of, and an applications engineer working with, laser marking and engraving systems. He has also worked closely with several mid-Indiana metal fabricating customers.

Webinars
Presented by John McCauley

September 2025
How to Ensure Laser Accuracy for Precise Micromachining
Using highly repeatable, high-quality, micron-sized laser light to process materials in micromachining is becoming more common practice. However, processing at these sizes presents a unique set of...
March 2024
Laser Characteristics that Drift and How to Manage the Changes
Lasers used for material processing face two general challenges over the course of their lives. First, these lasers operate at relatively higher power levels compared to lasers used in other...
November 2022
Managing Laser Degradation in Industrial Applications
Lasers are made of physical matter. Therefore, the natural degradation of their materials can cause variability in performance. Aging optics often cause slow changes in laser behavior and, when left...

Articles
By John McCauley

June 2020
Measuring High-Power Materials Processing Lasers with Camera-Based Beam Profilers
From cutting steel to drilling via holes in silicon to marking plastic, a wide range of materials processes now use high-power lasers. Ever-growing demands for increased productivity and reduced...
October 2015
Laser Measurement Systems: Best Practices
Given the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these...

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