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Searching for a New Earth and More with Spectroscopy (11/3/2021)

Searching for a New Earth and More with Spectroscopy

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Wednesday, November 3, 2021

TECH PULSE
Spectroscopy Tech Pulse is a special edition newsletter from Photonics Media covering key developments in spectroscopy technology. Manage your Photonics Media membership at Photonics.com/subscribe.

Researchers Achieve Magnet-Free Optical Isolation
A collaboration between École Polytechnique Féderalé de Lausanne (EPFL) and Purdue University has led to the development of an electrically driven, magnet-free optical isolator that enables light routing on a chip. Typically, optical isolation is achieved through the use of magnetic materials or magnetic fields. However, these are incompatible with current semiconductor foundry processes.

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Holographic Space Telescope Takes Aim at the Next 'Planet Earth'
To support the discovery of planets outside the solar system, scientists at Rensselaer Polytechnic Institute (RPI) created an experimental space telescope that can directly analyze the spectra of an exoplanet. The main component of the Dual Use Exoplanet Telescope (DUET) is a Fresnel hologram that can transform incident starlight directly into a spectrogram.

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.: Featured Products

IR Filters for Thermal Imaging and Gas Detection

Spectrogon US
Spectrogon manufactures infrared filters and windows with high transmission, high rejection outside the passband, while maintaining excellent coating uniformity — for thermal imaging and gas detection applications such as cryogenically cooled IR detectors and for uncooled microbolometers. Our filters and windows range in dimension from Ø6.0 to Ø200.0 mm with state-of-art dicing capabilities. Custom designs are always welcome.

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alpha300 apyron Raman Microscope

WITec GmbH
WITec GmbH, pioneer of Raman imaging and correlative microscopy, establishes the next level of automation and user-friendliness with the introduction of the new alpha300 apyron Raman microscope. It’s entirely new optical, analytical, and remote operation capabilities mark the furthest advance yet in speed, sensitivity, and resolution. Confocal 3D Raman imaging is a powerful, versatile and increasingly common microscopy technique...

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.:More News

Raman Spectroscopy and Machine Learning Team Up to Predict Immunotherapy Response in Patients

Using Raman spectroscopy and machine learning, a team at Johns Hopkins University developed a noninvasive technique to assess how cancer patients will respond to immunotherapy. The researchers used Raman spectroscopy to map the biochemical composition of tumors in detail, and machine learning to determine biomarkers indicating patient response to immunotherapy treatment.

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Light Design and Fabrication Process Spurs Possibilities for Molecular Sensing

Researchers at Vanderbilt University and Penn State University developed an approach to design and fabricate thin-film infrared light sources with near-arbitrary spectral output driven by heat, along with a machine learning methodology called inverse design. The methodology reduced optimization time from weeks and months to just a few minutes on a consumer-grade computer.

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Fluorescent Sensors with Noncanonical Amino Acids Could Broaden Sensor Use in Biological Studies

Although fluorescence tools for biological study abound, some processes, such as the interactions between proteins and metabolites, are challenging to investigate with the tools that currently exist. However, a research group led by professor Jeremy Mills at Arizona State University (ASU) is working to change that by using a fluorescent noncanonical amino acid to generate new proteins.

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Photon-Phonon Combination Will Enable Multi-Technique Spectroscopy Advances

City College of New York (CCNY) researchers have demonstrated the ability to combine topological photons with lattice vibrations, or phonons, to manipulate their propagation in a robust and controllable way.

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.: Upcoming Webinars

Get More Out of Your Optical Measurements
Tue, Nov 16, 2021 11:00 AM - 12:00 PM EST
Maximizing the information captured within optical measurements is the key to discovering smaller effects and observing faster processes, and yet the signal of interest is often buried in an inevitable noise floor. Lock-in amplifiers and boxcar averagers can improve the signal-to-noise ratio by averaging the signal while suppressing spurious noise. In this webinar, Claudius Riek, Ph.D., of Zurich Instruments, focuses on three techniques within their typical application areas to help you choose the best approach and save time when setting up your measurement. Presented by Zurich Instruments.

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