Featured Articles
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Measuring High Power Lasers With Low Power Detectors: A Cost Effective Solution
9/28/2021
In industrial fiber laser applications like welding and soldering, it is rarely useful to measure the power of a laser beam before the end of the line since problems can occur after the point of measurement, at almost any point along the path that the light follows before it reaches the processed material.
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Measuring Multi-kW Welding Lasers On-Line
9/28/2021
Over the past few decades, high power lasers have become ubiquitous in the automotive industry. Nowadays, they are used to process numerous vehicle parts. Laser welding is one of the techniques that have been considerably developed and improved over time.
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Why Is The Surface Of My Detector Damaged?
9/21/2021
So your laser power detector is supposed to be good up to 110W, and you damaged its surface with a 30W laser. Sound familiar? Why is this happening? Let’s find out.
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How To Measure A Large Laser Beam Profile
9/21/2021
Laser beams tend to be very small when you want to look at the beam profile at their focal point or when they are collimated. It’s a challenge that we won’t cover here. What we will cover here is what to do when the beam doesn’t fit in your beam profiler sensor.
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Measuring Laser Power With A Pyroelectric Detector – The Basics of Energy Detectors
7/9/2020
If you are involved with pulsed lasers at any level in research, product development, final test, process control, field service or laser safety, it is important to accurately measure the energy of your laser(s). In this technical paper, you will learn about the parameters that needed to consider when selecting and using a pyroelectric detector, and about the typical steps for making good energy measurements.
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Measuring Laser Power With A Thermopile Detector: The Basics of Power Detectors
7/9/2020
If you work with CW or pulsed lasers, you need to accurately measure your laser power. The more you know about the measurement process, the better. This paper shares basic technical insights in the laser measurement field with the use of a thermopile detector.
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Introduction to Quad Laser Position Sensing Detectors And Monitor
7/9/2020
The Gentec-EO QUAD-4Track takes advantage of the superior performance of their Pyroelectric Quadrant Detectors over Silicon quad and lateral effect photodiodes. These QUAD-E detectors are designed to measure pulsed lasers and QUAD-P detectors for CW or Quasi-CW lasers. The QUAD- 4Track Laser Position Monitor is a powerful, 4-channel, microprocessor-based instrument that not only measures beam position, but also the power or energy of the laser. This application note provides a basic overview of these products and their capabilities.
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Measuring THz Radiation: Choose A Pyroelectric Detector Or Golay Cell?
7/9/2020
How does the performance of a Golay Cell compare to that of a LiTaO3 Pyroelectric Detector? This application note reviews how these two detectors work and compares their performance specifications to help you make the best decision on which to use for measuring THz radiation.
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Pyroelectric Detectors: A Perfect Match For Your Pulsed Laser!
7/2/2020
A pyroelectric detector is a fast, AC current source used to measure a wide range of pulses with high accuracy in the DUV, VIS, near IR, mid IR, far IR, and even THz wavelength ranges. This application note discusses how they work, what goes into their designs, and basic equations that govern their performance.
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Challenges When Making Laser Measurements In Vacuum Environments
7/2/2020
Making laser measurements within a vacuum can be challenging. Depending on the vacuum level and customer’s requirements, Gentec-EO offers suitable solutions for outgassing issues, signal transmission, heat dissipation, and more.