White Papers and Case Studies
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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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Keeping Your Additive Manufacturing Laser In Spec
7/6/2020
Additive manufacturing allows for more customized parts using more specialized materials, and will eventually create a more localized, rapid, and agile distribution network. This white paper discusses important laser performance characteristics, how to measure them, and how to keep the laser in spec.
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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.
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Laser Applications In The Automotive Industry Demand Peak Performance Of Laser Measurement Instruments
6/30/2020
The automotive industry is a demanding sector in which craftsmanship, precision and quality are indispensable.One wrong step can lead to catastrophic failures in a production line, where everything already works in harmony to obtain optimal results.
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Same Laser, Different Measurements, What’s The Problem?
6/30/2020
This technical note guides the reader through basic precautions and good practices that will permit the most accurate measurements possible with the Gentec-EO meter. The paper also provides tools to help identify the possible sources of discrepancies between the measurements.
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Specifying Plasma Deposited Hard-Coated Optical Thin Film Filters
6/18/2020
Learn about different filter types, their key attributes, and how to optimize cost. The filters discussed include high cavity count band pass, replacement, tilted beamsplitter filters, and more.
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Are You Safe At A Laser Light Show?
5/12/2020
The assessment of laser beam exposure used for entertainment applications is a challenging undertaking. Both the emission and the environment pose particular obstacles to persons with the responsibility of ensuring emissions are below the permissible exposure limits. This article discusses how use of Ophir’s BC20 detector is able to offer significant improvements in measurements quality over traditional laser power detectors intended for CW beams.
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Quality Assurance In Additive Production
3/17/2020
Whether in research or in production, the laser parameters must be checked regularly. For this purpose, Fraunhofer Research Institution for Additive Manufacturing Technologies IAPT generally turns to the Ophir BeamWatch AM, which measures the laser beam without contact, is compact enough to be used inside the production chamber, and delivers measurement results quickly. This case study covers the full story.
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Measuring Average Power Of Pulsed Lasers With Photodiodes
3/17/2020
Recent development in VCSELs for applications in remote sensing, require measurement of average power during pulsed operation. When measuring average power of pulsed lasers, another mechanism may also affect the linearity of the photodiode. In this article we review this mechanism.
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ISO Compliance Of Non-Contact, Real-Time Beam Analysis
8/1/2019
To deliver continuously high product quality, the key parameters of laser beams in production applications must be measured on a regular basis. Ophir has tackled the task and developed a non-contact measurement technology, the BeamWatch, based on the Rayleigh scattering.