Laser Power / Energy Measurement Striving for ever increasing accuracy

Dr. Ephraim Greenfield CTO Ophir Optronics
  • Challenge: ever increasing demand for more accurate measurement
  • Solution: constant improvements in equipment and methods
  • How do we calibrate laser Power / Energy?
  • Basic method: stable laser and substitution
  • What is expected accuracy in simple case?

(power cal and wavelength available at NIST)


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