Tag: Low Power

Case Study: Laser Safety in Stage Marking

What would live concerts, festivals and TV shows be without breathtaking laser shows and stunning special effects? laserfabrik GmbH is active in this field worldwide and has more than 20 years of experience. One area that has become increasingly important in recent years is stage marking. The aim here is to indicate the positions of…

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Watch: How to Measure Low Power, Slowly Pulsing Beams (“Low Frequency Power”)

Are you trying to measure a low-power, slowly pulsing beam (think of a VCSEL beam for example) – and getting frustrated? Measuring low-power, slowly pulsing beams using photodiode sensors can be surprisingly tricky. Learn about the technical challenges you’ll face when trying to measure such beams, and about the Ophir solutions that will help you.…

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Ophir’s 2023 Laser Measurement Catalog is Here!

The new updated edition of our laser measurement catalog is ready!As in every year – it sets out the comprehensive range of laser power and energy sensors, meters and laser beam profiling systems for medical, industrial, defense, research applications and more. It is an easy and agile round-up with short descriptions and up-to-date technical specifications.…

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Measuring Very Low Power IR Lasers with the RM9 Radiometer System

There are two main technologies commonly used today for measuring laser beam powers: Photodiode-based sensors, used for measuring low powers (from pW up to several hundred mW, typically); these are limited to spectral regions from the UV to the near IR, depending on the specific semiconductor used, and Thermal sensors, used for measuring higher powers;…

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Ophir’s 2022 Laser Measurement Catalog is Here!

As every year – Ophir’s new 2022 catalog for laser measurement covers a wide range of laser power and energy sensors, meters and laser beam profiling systems for medical, industrial, defense, and research applications. The first section of the catalog is devoted to laser power meters, which consist of sensors (detectors) and meters (displays). Ophir online tools…

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Ophir’s 2021 Laser Measurement Catalog Is Here!

As every year – Ophir’s new 2021 catalog for laser measurement covers a wide range of laser power and energy sensors, meters and laser beam profiling systems for medical, industrial, defense, and research applications. The first section of the catalog is devoted to laser power meters, which consist of sensors (detectors) and meters (displays). Ophir online tools…

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Fiber Optic Adapters for Ophir Sensors

Many laser applications involve measuring beams that come out of an optical fiber. Learn all about the solutions Ophir has to offer

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Ophir’s 2020 Laser Measurement Catalog Is Here!

As every year – Ophir’s new 2020 catalog for laser power measurement covers a wide range of laser power and energy sensors, meters and laser beam profiling systems for medical, industrial, defense, and research applications. The first section of the catalog is devoted to laser power meters, which consist of sensors (detectors) and meters (displays). Ophir online…

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Video: Low Power Measurements – Best Practices

Measuring very low power beams of light can be tricky;here’s some best practices to get the best performance from your very low power measurements.

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Special Photodiodes for Special Lasers (and Other Sources)

For most cases of laser (or LED) power measurement, selection of a proper sensor is fairly simple – it all depends on power level and wavelength. But for some cases, the application demands a more tailor-made sensor. Ophir’s line of “Special Photodiode” sensors are made for just that purpose.  There are now Special PD sensors…

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MKS’ Ophir® Business Unit Announces Calibrated Sensor for Measuring Very Low Power THz Sources

Ophir® RM9-THz Radiometer, a low noise, high sensitivity sensor for measuring low power levels of 50nW to 100mW from short pulse or CW lasers in the 0.7…

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Recalibrating Your Laser Power Meter for Long-Term Accuracy and Reliability

We’d all like to imagine that our things will stay in mint condition forever. But we know that’s not the case. Just like laser degrade (and therefore must be measured), the measurement equipment itself will slowly drift away from its precise calibration.

This is why we recommend yearly calibration. If you aren’t sure when your laser power or energy is due for recalibration, you can check by connecting it to a meter. If it needs to be recalibrated, a notification will pop up on the first screen.

Here’s how the recalibration process works.

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