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Optica

Founded in 1916, OSA brings together optics and photonics scientists, engineers, educators, technicians and business leaders. OSA is dedicated to providing its members and the scientific community with educational resources that support technical and professional development.
Researchers developed a single-photon Raman lidar system that operates underwater and can remotely distinguish various substances They demonstrated the system by using it to detect varying thicknesses of gasoline oil in a quartz cell that was 12 meters away from the system in a large pool.

New single-photon Raman lidar can monitor for underwater oil leaks

Optica
Categories Earth, Energy & Environment, Technology
Researchers have developed a new light-based computing scheme called LightHash that reduces the energy necessary for cryptocurrency and blockchain applications. First author Sunil Pai is pictured with the optical setup used for the new research.

Light-based computing scheme reduces power needed to mine cryptocurrencies

Optica
Categories Earth, Energy & Environment, Technology
Researchers developed a new nonmechanical 3D lidar system, which is the size of a business card (seen in front of the system on the left). The system uses dually modulated surface-emitting photonic-crystal lasers (DM-PCSELs) as flash and beam-scanning sources.

New 3D lidar system could make autonomous driving safer

Optica
Categories Technology
Researchers have developed a system that uses dual-wavelength light to provide information about tumor depth in healthy tissue.

Fluorescence imaging system lays groundwork for better tumor removal

Optica
Categories Health, Technology
Researchers created a new system that uses infrared light to safely transfer high levels of power over distances of up to 30 meters. This type of long-range optical wireless power transfer system could enable real-time power transmission to fixed and mobile receivers.

Researchers use infrared light to wirelessly transmit power over 30 meters

Optica
Categories Physics & Mathematics, Technology
Experimental set-up for non-line-of-sight ghost imaging with EEG neurofeedback.

Super powers: Ghost imaging with human vision

Optica
Categories Physics & Mathematics, Technology

Researchers Develop Wearable Sensor to Monitor Oxygen Levels through Skin

Optica
Categories Health, Technology

New microscopy method reaches deeper into the living brain

Optica
Categories Brain & Behavior, Technology

Researchers use laser paintbrush to create miniature masterpieces

Optica
Categories Technology

To make brighter LEDs, scientists mimic fireflies

Optica
Categories Earth, Energy & Environment, Uncategorized

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