Authors

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

Ophir Power/Energy Meter Calibration Procedure

Apr 9, 2024

Ophir Power/Energy Meter Calibration Procedure

Apr 3, 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