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This Week in Photonics: Fusion Ignition Marks Scientific, Technological Milestone (12/15/2022)

This Week in Photonics: Fusion Ignition Marks Scientific, Technological Milestone

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Thursday, December 15, 2022

.: Top Stories

US Department of Energy Details Net Energy Gain from LLNL Fusion Work
Scientists at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL) have achieved fusion ignition, marking a groundbreaking advance in the decades-long quest toward a clean, limitless energy source. The successful experiment and fusion reaction input 2.05 MJ and released 3.15 MJ of energy, exceeding results of a 2021 experiment that brought NIF scientists to the cusp of ignition.

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Silicon Photonics Platform Provides On-Chip Neural Network Training
Researchers from George Washington University introduced a strategy for training deep neural networks the benefits of using photonics to execute AI applications. The team’s CMOS-compatible silicon photonics architecture enabled parallel, ultrafast on-chip training of neural networks with low energy consumption. According to professor Volker Sorger, the hardware that keys the advancement will accelerate the speed of training machine learning systems.

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Microsoft Acquires Hollow-Core Fiber Innovator Lumenisity
Microsoft has acquired Lumenisity Ltd., a supplier of next-generation hollow-core fiber (HCF) solutions. The acquisition will expand Microsoft’s ability to further optimize its global cloud infrastructure and serve customers with strict latency and security requirements.

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.: Featured Products & Services

771 Laser Spectrum Analyzer

Bristol Instruments Inc.
The model 771 operates as both a high-resolution spectrum analyzer and a high-accuracy wavelength meter. With spectral resolution up to 2 GHz and wavelength accuracy as high as ±0.0001 nm, this system provides the most detailed information about the spectral properties of lasers operating from 375 nm to 12 μm.

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SYNOPTICS Now Offers IBS Coatings

Northrop Grumman Synoptics
Quasi-Rugate thin film designs are optimized for high-power laser applications for ultra-fast through CW applications across the wavelength range of 355 nm to 2200 nm. Each design has a unique refractive index profile specifically tuned to give optimal performance for our customer’s applications. Quasi-Rugate design structures have the highest demonstrated Laser Damage Thresholds of any Ion Beam Sputtered films.

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.: More News

SPIE Reveals 2023 Startup Challenge Finalists Read Article

Thales and Marvel Fusion to Upgrade ELI-NP Laser System Read Article

Nanoscope Offers Views Into Quantum Computations Read Article

Optogenetics Tool Could Provide Long-Term Control of Brain Processes Read Article

LongPath Technologies Raises $22M in Series A Read Article

.: Upcoming Webinars

Key Considerations for Part and Sample Holding in Interferometric Characterization
Wed, Jan 18, 2023 1:00 PM - 2:00 PM EST
Interferometry is a powerful tool when used to characterize optical surface form errors, as well as accumulated errors, when measuring transmitted wavefronts. Opticians and engineers have many methods available to facilitate such measurements but can often overlook the effects caused by part holding or fixturing. Frank DeWitt of XONOX Technology Inc. discusses what should be considered when approaching part holding and fixturing for interferometric measurements, the features that are critical to the item being measured, and the required outputs of the measurement.

3D Optical Metrology: Capabilities for a New Era
Thu, Jan 19, 2023 1:00 PM - 2:00 PM EST
Kevin Harding of Optical Metrology Solutions provides an overview of the many 3D optical metrology tools available today. He discusses applications from general manufacturing of durable parts to precision component measurement. He shares examples, typical performance specifications, and the limitations of the many tools on the market today. Harding then considers each technology for both the type of application it is best suited to address, as well as its speed and resolution. Finally, he shows where each technology fits within the bigger picture of practical applications.

.: All Things Photonics

Isiah Warner, Boyd Professor and Emeritus Philip W. West Professor, Analytical & Environmental Chemistry, and former vice president for strategic initiatives at Louisiana State University (LSU), reflects on 20th- and 21st-century milestones in fluorescence science, as well as his own contributions to academic mentorship. The acclaimed spectroscopist has helped bring LSU’s total of African American Ph.D. graduates in chemistry from six prior to his arrival at the university, to nearly 100 today.

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