Optica (originally established as The Optical Society of America, OSA) is a scientific society dedicated to advancing the study of light—optics and photonics—in theory and application, by means of publishing, organizing conferences and exhibitions, partnership with industry, and education. The organization has members in more than 100 countries. As of 2018, the OSA had over 21,000 individual members and more than 265 corporate member companies.
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Researchers have developed a photoacoustic imaging watch for high-resolution imaging of blood vessels in the skin. The wearable device could offer a non-invasive way to monitor hemodynamic indicators such as heart rate, blood ...
Mar 11, 2024
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Researchers have developed a new catheter-based device that combines two powerful optical techniques to image the dangerous plaques that can build up inside the arteries that supply blood to the heart. By providing new details ...
Mar 5, 2024
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Researchers have developed a wearable optical device for early detection of hemorrhage during labor or after childbirth. This serious heavy bleeding can be hard to detect before it becomes an emergency and accounts for almost ...
Sep 21, 2023
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Researchers have developed an automated version of the viral plaque assay, the gold-standard method for detecting and quantifying viruses. The new method uses time-lapse holographic imaging and deep learning to greatly reduce ...
Aug 31, 2023
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With an aging global population comes a need for new sensor technologies that can help clinicians and caregivers remotely monitor a person's health. New smart pants based on fiber optic sensors could help by offering a nonintrusive ...
Jun 27, 2023
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Researchers have shown that a vertical cavity surface emitting laser (VCSEL) diode, which is commonly used in telecommunications and lidar applications, could offer a less expensive light source for swept-source optical coherence ...
Jun 1, 2023
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Researchers have developed new instruments for rigorously quantifying and comparing the light focusing properties of specialized eyeglass lenses that are used to slow the progression of myopia, or nearsightedness. The information ...
May 11, 2023
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Miniature microscopes attached to the heads of living mice have enabled researchers to gain important insights about the neuronal pathways behind complex behaviors. Now, researchers report a new generation of head-mounted ...
Mar 29, 2023
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Deep brain stimulation (DBS) has become an increasingly common treatment for patients with advanced Parkinson's disease, but the procedure still carries significant risks. A new probe that performs two types of spectroscopy ...
Mar 20, 2023
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Researchers have developed a neural network model that uses terahertz time-domain spectroscopy (THz-TDS) data for non-invasive burn assessment. They combined the new approach with a handheld imaging device that they developed ...
Jan 30, 2023
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