How to Keep Your Laser Power Meter Sensor Clean
For humans, good hygiene is a key to maintaining good health. Same with laser sensors! This video will give you […]
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Beam Profiling and Resizing of UV Lasers
Getting the beam size and profile of a UV laser is not trivial. The typical beam profiling solution of a
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StarBright Laser Power Meter [Video Tutorial]
The new Ophir StarBright is the most advanced of Ophir’s family of handheld laser meters. This video walks you through
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How to measure a Barcode scanning laser? [Updated]
Measuring the power of scanning lasers such as barcode scanners presents a problem. A bar code laser beam scans back and forth at a very high frequency so an ordinary photodiode power meter will not measure the power in the beam but rather the average power impinging on it, i.e. the power times the fraction of time the beam is on the detector. Therefore, when exposed to a scanned beam, the reading will be much lower than the actual power in the beam. For example, if a scanning laser delivers 2mW to a photodiode sensor and the beam is on the sensor only 1% of the time, the instrument will read only 0.02 mW.
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Laser Measurement Best Practices: How much of my sensor’s aperture should I fill?
For maximum accuracy, how much of the sensor’s aperture should the beam ideally fill? This video will give you some
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University Research Team Faces Challenges of Measuring Multiple Lasers
Lasers used in labs must be measured. However, there are usually many constraints, even besides the obvious one (money):
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How to Measure Laser Exposure/Dosage
Usually, I talk about measuring power or energy.
Today I want to discuss exposure – total energy deposited over time.
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Laser Beam Measurement Vocabulary
Brush up on your laser physics with our new glossary. Find out different ways to define beam width, mode, Rayleigh
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“Power from Pulse” – How to Measure High Power Lasers with Small Sensors
A few months ago, I mentioned a new method for measuring kilowatt lasers without water (or even fan) cooling.
The idea was like this: Even a small 50 W sensor can handle high powers for a short amount of time, like a few seconds. Several of our sensors’ specifications were adjusted to reflect this.
For example, the L40(150)A is meant to measure 40 W continuously, but it can actually measure 4000 W for a second.
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Focal Shift in Laser Welders [video]
Is your laser’s focus spot where you think it is? This video shows the focal shift of a 100 kW laser during the first four seconds of startup using BeamWatch, Ophir-Spiricon’s non-contact high power beam analyzer. Find out more here: https://www.ophiropt.com/laser–measurement/beam-profilers/products/High-Power-Beam-Profiling/BeamWatch
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How to Trap More Than 99.9% of a Laser Beam
Sometimes a laser is used in a “pass-through” setup, which begs the question: What happens to the laser after it passes through?
Consider for example a sensitive camera that is used to profile a laser. Beam splitters are often used to deflect only a small percent of the laser intensity into the camera. The other 90% or more passes straight through the splitter.
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Measuring Profiles of Non-Laser Light Sources
We talk a lot here about lasers.
How to measure laser power, energy, size, and distribution profile. How to avoid damage from lasers. Etc., etc.
But what about other light sources?
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