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Ephraim Greenfield
Founder
Co Founder with Yaakov Zerem of Ophir Optronics. Headed the optical coating division from 1976 until 1986. In 1986 Ephraim headed R&D of laser measurement division and was Ophir Photonics' CTO until 2008.
Certified
Ophir Author
Blog post
Maximizing Precision: Understanding Background Subtraction in Ophir Low Power Sensors
Jun 12, 2024
Blog post
Ophir Power/Energy Meter Calibration Procedure
Apr 9, 2024
Article
Laser Power Meter Accuracy: Contributing Factors
Sep 22, 2021
Blog post
Finding a Sensor From the Catalog Spec VS. Using the Sensor Finder
Jun 16, 2021
Blog post
New: Meet our Beam Profile Finder!
Oct 14, 2020
Blog post
How Accurate are Ophir Photodiode Sensors Really?
Sep 11, 2019
The uncertainties in laser measurement
Oct 10, 2012
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