Watch: Understanding Laser Energy Measurement & How Laser Energy Measurement Works
If you need to measure laser pulse energies, you have probably run into a variety of issues and concepts that seem to just cause confusion… In this webinar, you will learn: – How energy measurement works (short basic version…) – How to make sure you are getting accurate readings – How to avoid out-of-tolerance issues…
continue readingWatch: Laser Measurement PC Interfaces
If all your laser measurement work involves a laptop or a PC, rather than a stand-alone meter, one of Ophir’s direct-to-PC interfaces could be an ideal solution. These are full-fledged Laser Power and Energy meters, but instead of having a separate on-board display, the PC becomes your display. In the following video you will learn…
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High Power Lasers – Just Measure It
Laser power and the applied laser densities are constantly rising. These high-power lasers are more likely to be used in materials processing applications such as welding, cutting, cladding, or additive manufacturing. Many of those applications are demanding: The laser’s focal spot and beam profile need to be kept within the specification to achieve the required…
continue readingWatch: Managing Laser Degradation in Industrial Applications
Lasers are made of physical matter. Therefore, the natural degradation of their materials can cause variability in performance. Aging optics often cause slow changes in laser behavior and, when left unchecked, these changes can lead to loss of process efficiency. An unclean process environment can quickly change a laser’s behavior through thermal lensing, which is…
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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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Laser Measurement Systems: Best Practices
Given the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these devices — the choice usually comes down to the method that best suits the end user. However, when purchasing a highly advanced…
continue readingWatch: 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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Evolution of Measurement Technology for Laser-Based Additive Manufacturing Systems
Ophir BeamPeek, integrated power measurement and beam profiling In laser powder bed fusion (LPBF) processes, metal powder is selectively melted layer by layer using a laser beam. With layer thicknesses of typically 30 to 120 µm, exact adherence to the predefined beam parameters is an essential prerequisite for ensuring that the structures generated exhibit the…
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Leverage Your Process – Ensure Reliable Measurements and Protect Your Devices
Measuring a laser is quite a challenging task; many parameters need to be taken into consideration. While choosing the right sensor is key, it is not the end of the story. Regular calibration of power and energy sensors, recertification of beam profilers, and distinctive expertise in handling the measurement device gives you confidence in your…
continue readingWatch: On-demand Webinar – Measuring my Laser…Where do I start?
Learn the basic principles, and best practices of laser measurement. You have a laser you’re about to start working with? You have enough experience with other technologies to know that you want to verify its performance; so you start looking for a tool to measure the laser’s…well, what? In other words: Where do I start?…
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Destroy the Target, Not Everything Else: Beam Management in High-Power Directed Energy Laser Projects
Since Columbia University graduate student Gordon Gould and Bell Laboratories scientists Charles Townes and Arthur Schawlow (among others) coined the term LASER in the 1950’s, applications of the laser have seemed limitless. Working with these new discoveries had to be exciting, but applying hundreds of kilowatts of laser power, like the ones being used in…
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Surface Micro Structuring Using Ultrashort Laser Pulses
Surface micro structuring using ultra short pulse lasers is a unique technology with many applications such as thin film ablation, creating antireflective and optically absorptive surfaces, super hydrophobic or hydrophilic surfaces with anti-bacterial properties, and surface texturing for improved bonding strength. In the semiconductor and display industry, USP lasers perform very well-defined jobs such as…
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