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This Week in Photonics: Blue Light Illuminates Nanoscale Materials' Potential; Meet the 2023 Vision Tank Start-Up Competition Finalists (4/27/2023)

This Week in Photonics: Blue Light Illuminates Nanoscale Materials' Potential; Meet the 2023 Vision Tank Start-Up Competition Finalists
Weekly newsletter highlighting breaking news, technology developments and product releases in the photonics industry.
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Thursday, April 27, 2023
 
.: Top Stories

 
Blue Light Technique Will Advance Nanoscale Tech
Blue Light Technique Will Advance Nanoscale Tech
Researchers at Brown University have developed an approach to scattering-type scanning near-field microscopy (s-SNOM) that uses blue light to enable measurement of electrons in semiconductors, as well as other nanoscale materials. The findings, which the researchers said are a first in nanoscale imaging, provide a workaround to a long-standing problem that has limited the study of key phenomena in a variety of materials that could lead to more energy-efficient semiconductors and electronics.
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Coated Guidewire Boosts Intravascular Assessment Accuracy
Coated Guidewire Boosts Intravascular Assessment Accuracy
Although intravascular near-infrared fluorescence (NIRF) and intravascular ultrasound, when used in tandem, provide a powerful technique for detecting conditions like plaque buildup in arteries, variable attenuation of blood inside vessels can interfere with the accuracy of NIRF measurements. An approach developed by researchers at the Technical University of Munich uses a fluorophore-coated guidewire to steer an imaging probe and obtain a measure of blood attenuation, in real time, during an intravascular NIRF examination. The method also corrects signal intensities to allow accurate measurement of blood attenuation in the form of correction factors, on a frame-by-frame basis.
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Low-Cost Camera Helps Forecast Volcanic Eruptions
Low-Cost Camera Helps Forecast Volcanic Eruptions
To help scientists track volcanic events over the long term and predict future eruptions, an international team has designed a low-cost, low-power sulfur dioxide camera for permanent deployment on volcanoes around the world. The camera will allow volcanologists to monitor geochemical changes in volcanoes on a continuous basis during daylight hours.
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.: Featured Products & Services

 
Delta Optical Thin Film A/S - Multi-Bandpass Filters Multi-Bandpass Filters

Delta Optical Thin Film A/S
Delta Optical Thin Film has introduced a range of Multi-Bandpass Filters that transmit two or more distinct wavelength bands while blocking others. These filters are well suited for multi-purpose point-of-care instruments using multiple excitation and/or multiple emission wavelengths.

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Bristol Instruments Inc. - 871 Series Laser Wavelength Meter 871 Series Laser Wavelength Meter

Bristol Instruments Inc.
Bristol's popular 871 system measures laser wavelength at a sustained rate of 1 kHz, the fastest available. It also measures wavelength to an accuracy as high as ±0.0001 nm. By combining proven Fizeau etalon technology with automatic calibration, the most reliable accuracy is ensured for the most meaningful experimental results.

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CASTECH INC. - Diffraction Gratings for Telecommunication Diffraction Gratings for Telecommunication

CASTECH INC.
CASTECH’s high DE reflection grating is ideal for WSS and other applications in the optical communication industry. The high-precision design of the grating provides outstanding diffraction efficiency and perfect uniformity.

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Photonics Media - The 2023 Photonics Buyers’ Guide The 2023 Photonics Buyers’ Guide

Photonics Media
The 2023 edition is now available with over 4000 companies, 1600 product categories, and 30 Handbook articles. Use coupon code SP23 for a special offer!

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.: More News

 

Ambient Photonics Opens Low-Light PV Cell Factory  Read Article 

Quantum Source Raises $12M  Read Article 

2023 Vision Tank Start-Up Competition Finalists Announced  Read Article 

Photogrammetry Method Measures Wings During Flight  Read Article 

Nanoscale Spectroscopy Supports Optoelectronic Device Architectures  Read Article 

 
.: Upcoming Webinars

 
Addressing the Measurement Challenges of XR Device Optics: Displays, Lenses, and Waveguides Addressing the Measurement Challenges of XR Device Optics: Displays, Lenses, and Waveguides
Thu, May 4, 2023 1:00 PM - 2:00 PM EDT
The pace of innovation in AR/VR/MR, collectively XR, devices continues to yield new technologies, optical approaches, and device configurations. To keep up, designers and manufacturers need to be able to meet an expanding range of quality measurement and inspection demands at both the component and device level. Mike Caputo of Radiant Vision Systems covers the current landscape of XR optical metrology needs and shares flexible and cost-effective approaches to measure XR devices in the lab and in production. Presented by Radiant Vision Systems.
 Register Now 




External Light Sources for Co-Packaged Optics: Applications and Beyond External Light Sources for Co-Packaged Optics: Applications and Beyond
Tue, May 9, 2023 1:00 PM - 2:00 PM EDT
The networking and computing application landscape is evolving to be cost effective, bandwidth dense, and power efficient. These new requirements bring optics and electronic processors closer together in a single package or more commonly, as co-packaged optics (CPOs). The co-packaged optics arrangement works well for all other transceiver parts, except for the lasers. Lasers are better suited to be placed outside the package inside external light source (ELS) enclosures to support these new applications. Erman Timurdogan, Ph.D. of Lumentum discusses various external light source solutions with emphasis on performance and cost reduction.
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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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