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DataRay Inc. - ISO 11146-Compliant Laser Beam Profilers

Optimizing Micromachining Processes via Pulse-to-Pulse Measurement of Ultrafast Lasers

Jan 11, 2023
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DataRay Inc.
LaserPoint srl
About This Webinar
Sensors based on the laser-induced transverse voltage (LITV) effect offer several advantages over pyroelectric sensors and photodiodes when measuring laser energy. They feature fast sub-nanosecond response times and the ability to measure pulse durations from the femtosecond to microsecond range, and they do so with repetition frequencies beyond 1 MHz. LITV sensors also have a high saturation threshold to direct laser irradiation, as well as broadband spectral sensitivity from the UV to mid-IR range.

Pellegrino focuses on using LITV sensors to quantify two key laser characteristics of fast- and ultrafast-pulsed lasers: turn-on transient effects and missing-pulse detection. He further discusses the practical application of this methodology to ensure that individual laser pulses fall within the thresholds for optimal output during laser micromachining processes.

***This presentation premiered during the 2023 Photonics Spectra Conference. For more information on Photonics Media conferences, visit events.photonics.com.

About the presenter

Sergio PelligrinoSergio Pellegrino is a partner and an R&D director at LaserPoint, which manufactures a wide portfolio of laser power and energy meters. Before joining LaserPoint in 1997, Pellegrino worked as a group manager at Alcatel Alsthom Recherche in Paris, developing high-power diode devices and amplifiers. He also spent time as a project manager of optoelectric activities in the CDOT Alcatel Lucent Research Center, and as a team leader in the Department of Physical Electronics at Tokyo Institute of Technology.
LasersSensors & DetectorsTest & Measurementmicromachining
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