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This Week in Photonics: Counterfeiters Take Note; CMOS Sensors Deliver Lidar Functionality (3/31/2022)

This Week in Photonics: Counterfeiters Take Note; CMOS Sensors Deliver Lidar Functionality

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Thursday, March 31, 2022

.: Top Stories

Modulator Enables Simple Cameras to Capture Images in 3D
A team at Stanford University has developed a device that that enables lidar functionality with ordinary CMOS image sensors. The device makes it possible to obtain 3D data from technology that, on its own, is capable of seeing only in two dimensions.

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Light and Fluorescent Dye-Based Device Prevents Tooth Decay
An optical device in development at the University of Washington could help prevent tooth decay by identifying at-risk teeth before cavities start to develop. The prototype, called O-pH, uses a low-power light system and an FDA-approved fluorescent dye solution to noninvasively measure oral biofilm acidity on tooth enamel and provide quantitative feedback.

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Metasurface and UV and Visible Light System Conquer Counterfeits
Researchers at Pohang University of Science and Technology developed an anticounterfeiting and tampering prevention system using ultraviolet (UV) and visible light. The technology uses metasurfaces and is expected to have applications in various industrial sectors.

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.: Featured Products

Unprecedented Spectral Reproduction

Labsphere Inc.
Achieve unprecedented spectral reproduction with Labsphere’s SpectrALL Tunable Spectral Calibration Sources. These uniform spectral radiance sources are ideal for the calibration and characterization of consumer, industrial, defense and scientific products. Optical sensors and arrays, cameras and earth observation systems need characterization all along their development, production cycles, and in use applications to render performance from today’s demanding image and data driven markets.

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Optical Filters for Point of Care

Delta Optical Thin Film A/S
Point of Care (PoC) instruments have various uses in medical diagnostics, including the detection of infectious diseases such as Covid-19. These types of tests only require a single drop of blood, saliva, or urine and can be performed by a GP within minutes. Many tests require absorbance or fluorescence detection methods, which all demand optical filters. The optical filter is one of the most important components of a PoC instrument. It is used to attenuate unwanted light...

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.: More News

Researchers Fool Autonomous Vehicles to Pinpoint Security Risks Read Article

Europium Molecular Crystals Clear a Path for Quantum Storage Read Article

AT Names Daniel Seiler CEO Read Article

Microsystems Innovator Marc P. Christensen Named President of Clarkson University Read Article

Empire State Development Names Round 5 Finalists for Luminate NY Competition Read Article

.: Upcoming Webinars

Adopting Deep Learning in Machine Vision: Scaling to Enterprise-Level Solutions
Wed, Apr 20, 2022 1:00 PM - 2:00 PM EDT
Enterprise-level manufacturing customers looking to leverage the power of deep learning and artificial intelligence to solve their quality inspection applications have unique needs. Quinn Killough of Landing AI offers best-in-class solutions for automated inspection applications. These solutions include efficient data collection and model generation across global production networks, as well as how to communicate and deploy these systems in companies across diverse populations that include subject matter experts, quality managers, and system engineers. Presented by Landing AI.

Achieving Ultralow-Loss Photonics Array Alignment
Tue, Apr 26, 2022 1:00 PM - 2:00 PM EDT
Two- and three-dimensional photonic arrays are commonly used for coupling light in photonic integrated circuits. With the increasing demand for ultralow-loss transmission in applications such as datacom, artificial intelligence (AI), virtual reality (VR), and quantum computing, the need for fast and precise alignment of photonic arrays to other devices is critical. Darrell Paul presents current industry challenges and limitations as well as automation solutions for achieving ultralow-loss photonics alignment. Presented by Aerotech.

.: All Things Photonics

UCLA researcher Mona Jarrahi breaks down critical achievements in the terahertz domain, with particular focus on terahertz optoelectronics. Biomedical, plasmonic, and imaging applications are explored, as are commercial pursuits. In advance of the inaugural Photonics Spectra Spectroscopy Conference April 12-13, Richard Crocombe, principal at Crocombe Spectroscopy Consulting, and Ellen Miseo, president of the Coblentz Society, introduce listeners to the event program and individual sessions.

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CALL FOR ARTICLES!
Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazines (Photonics Spectra, BioPhotonics, and Vision Spectra). Please submit an informal 100-word abstract to [email protected], or use our online submission form.

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