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Photonics Spectra Monthly — Quantum Effects, Islam’s Golden Age, Extremely Large Telescopes, and more. (9/9/2020)

Photonics Spectra Monthly — Quantum Effects, Islam’s Golden Age, Extremely Large Telescopes, and more.

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Wednesday, September 9, 2020

Monthly newsletter from the editors of Photonics Spectra, with features, popular topics, new products, and what's coming in the next issue. Manage your Photonics Media membership at Photonics.com/subscribe.

Tiny Quantum Effects Promise Big Impact on Future Instruments
While the quantum world may seem abstract and remote from day-to-day life, researchers are discovering that quantum effects such as photon entanglement could improve the performance and precision of everyday tools. Advancements in quantum metrology could help sharpen sensor location data, improve the precision of atomic clocks, or enable more versatile detectors for sensing greenhouse gas emissions.

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Islam’s Golden Age Sparks a Spectrum of Optical Knowledge
The history of optics traces back to the primitive lenses of the ancient Egyptians and Mesopotamians, the rudimentary logical conjectures of the ancient Greek philosophers, and the simple geometrical optics of figures such as Euclid, Ptolemy, and Hero of Alexandria. Often overlooked in this history are figures from the Islamic Golden Age, which is generally considered to have spanned the period between the 8th and 14th centuries, beginning with the overthrow of the repressive apartheid regime of the Umayyad caliphate by the Abbasid Revolution and ending with the Mongol invasions and the siege of Baghdad.

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The Fight for First Light: Extremely Large Telescopes
The 2020 U.S. Decadal Survey on Astronomy and Astrophysics, a type of survey in which astronomers set priorities to guide federal budgets during the next 10 years, is in the process of listing its most important projects. Asteroid detection and Mars exploration are high on the list, as is continued support of a new cadre of extremely large telescopes already under construction around the world, with effective mirror apertures measuring 20, 30, or 40 m in diameter. Astronomers hope these giant ground-based light buckets will provide capabilities exceeding anything else humans have ever built, and will witness new scientific paradigms such as life on other planets, the birth of new stars, and the formation of galaxies.

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.: Featured Products

New: Cobolt Rogue™ 640 nm, 1W Laser

HUBNER Photonics
HÜBNER Photonics proudly introduces the Cobolt Rogue™ 640 nm CW laser. With a perfect TEM00 beam and high output power (up to 1 W multi-longitudinal mode), its ideally suited for super resolution STORM microscopy.

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Request Info

IR Filters for Thermal Imaging and Gas Detection

Spectrogon US
Spectrogon manufactures infrared filters and windows with high transmission, high rejection outside the passband, and introducing low cosmetic defects — while maintaining excellent coating uniformity — for thermal imaging applications such as cryogenically cooled IR detectors...

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ZIVA Light Engine

Lumencor Inc.
Lumencor’s ZIVA light engine® with seven lasers and high end electronics delivers bright, stable, robust illumination. Narrow bore fibers (=200 µm) generate ultra high radiance from a compact, pre-aligned, bench top device. Super resolution microscopy techniques are well supported. OEM customization available.

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Industrial Laser Safety at a Glance

Photonics Media
A straightforward guide, offering clear, real world explanations of laser safety elements and the necessary background materials for the industrial laser environment. It raises awareness of the dangers of laser exposure, the proper tools needed to protect oneself from the potential hazards of industrial lasers...

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.: In Case You Missed It

Atomic-Scale Imaging Reveals Strength Capabilities of Thin Film
Researchers at the University of Minnesota have used high-resolution TEM microscopy to image the atomic structure of ultrathin zeolite nanosheets, which are used by industries as specialized molecular filters.

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Microresonator Measures and Images Nanoparticles with High Degree of Sensitivity

Scientists at the Okinawa Institute of Science and Technology Graduate University have developed a light-based device that can act as a biosensor, detecting biological substances in materials, such as pathogens in food. Microresonators are central to a new method for single-particle photothermal absorption spectroscopy, whereby the microresonators act as microscale thermometers to detect the heat dissipated by optically pumped, nanoscopic targets.

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Robust Laser Technology Will Enable Satellite to Measure Greenhouse Gas

The MERLIN satellite, a collaboration between DLR RfM in Germany and CNES in France, will use a radar-like laser system to measure the methane concentration in Earth’s atmosphere. The satellite’s Integrated Path Differential Absorption (IPDA) lidar will send laser light to Earth’s surface and analyze the backscattered signal.

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.: Upcoming Webinars

Principles of Laser Beam Profiling
Wed, Sep 16, 2020 1:00 PM - 2:00 PM EDT
Laser users often wonder if they need to profile their lasers, but may have nagging doubts as to why. In this talk, presented by Ophir, sales director Derrick Peterman, Ph.D., will outline the standard techniques involved with beam profiling and the key practices that produce reliable beam profiling results, as well as instrumentation, issues related to attenuation, and real world applications.

.:Next Issue:

Features
Earth Imaging, Freeform Optics, Quantum Encoding, and more.

Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazine Photonics Spectra. Please submit an informal 100-word abstract to Daniel McCarthy, Senior Editor, at [email protected], or use our online submission form www.photonics.com/submitfeature.aspx.

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