Quantum Memristor Links AI, Quantum Computing

A group of experimental physicists developed a device that behaves like a memristor while acting on quantum states and encoding and transmitting quantum information. The device is a quantum memristor. Creating such a device is difficult because the dynamics of a memristor defy usual quantum behavior. The physicists have overcome the challenge by using single [..]

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Optical Sectioning In Bright-Field Microscopy

The bright-field (BF) optical microscope is a traditional bioimaging tool that has been recently tested for depth discrimination during the evaluation of specimen morphology. However, existing approaches require dedicated instrumentation or extensive computer modeling. Now, researchers have developed a direct method for three-dimensional (3D) imaging in BF microscopy, applicable to label-free samples, where they use [..]

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Maximum Theoretical Limit For Optoelectronic Devices

Researchers have calculated the maximum theoretical limit for optoelectronic devices, the point at which the laws of quantum mechanics prevent microchips from becoming any faster. Optoelectronics are the fastest devices globally — systems that use light to control electricity. The new study outlines the limit for optoelectronics by calculating the speed at which the most potent [..]

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Capacitor Modules Power Febetron Security Applications

A fast-evolving understanding of materials and physical processes is critical to security applications. Febetrons generate X-rays to photograph objects moving at extremely high speeds as part of a detonation and allow the measurement of their position, velocity, shape, and internal density profiles. Powering the Febetrons are capacitor modules. Researchers have developed a new “K-module” device [..]

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Temperature Sensing

Researchers have developed a temperature sensing method using naturally occurring atom-like defects in diamonds. The defects, known as Nitrogen-Vacancy (NV) defects, are naturally occurring flaws in diamonds (two adjacent carbon atoms replaced by a nitrogen atom and a hole). They are easy to obtain and have unusual quantum and nonlinear optical properties. Among them is [..]

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MRI Innovation To Improve Cancer Screening

A new MRI innovation makes cancerous tissue glow in medical images could help doctors more accurately detect and track the progression of cancer over time. The MRI innovation creates images in which cancerous tissue appears to light up compared to healthy tissue, making it easier to see. This new technology has promising potential to improve [..]

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Black Phosphorus Sensor - Optoelectronic Edge Computing

In-sensor computing allows image sensors with internal computing capabilities to reduce communication latency and power consumption for machine vision in distributed systems and robotics. Because of its tunable electrical and optical properties and amenability for heterogeneous integration, two-dimensional semiconductors have several advantages in creating intelligent vision sensors. Researchers have developed a multipurpose infrared image sensor [..]

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Vibrational Spectroscopy Measures Terahertz, Raman

Dual-detection impulsive vibrational spectroscopy (DIVS) is a Raman spectroscopy technique. It permits monitoring two types of vibrational signals simultaneously. It offers ultrafast, real-time spectral detection over the low-frequency, or terahertz area of the Raman spectrum and the fingerprint region at a rate of 24,000 spectra per second. The fingerprint and terahertz spectral areas provide complementary [..]

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Volumetric Imaging Gets Faster With New Microscopy Tech

Increasing the acquisition speed of three-dimensional volumetric imaging is essential – particularly in biological imaging – to unveil specimens’ structural dynamics and functionalities in detail. In conventional laser scanning fluorescence microscopy, volumetric images are constructed from optical sectioning images sequentially acquired by changing the observation plane, limiting the acquisition speed. Researchers have developed a novel [..]

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Micro-Computed Tomography – Improved Imaging

Researchers have significantly improved micro-computed tomography, specifically imaging with phase contrast and high brilliance x-ray radiation. They have developed a new micro-structured optical grating and combined it with new analytical algorithms. The new approach makes it possible to depict and analyze the microstructures of samples in greater detail and investigate a broad spectrum of samples. [..]

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Liquid Marbles – New Mechanism For Microfluidics

A research team developed a technique that uses condensation to noninvasively refill liquid marbles with water. The method could improve the viability of applications such as drug delivery. It could also establish improved opportunities for the droplet-size microreactors to see use in opto- and microfluidics. Liquid marbles are droplets of solution that wrap in a [..]

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Mitochondria Function As Microlenses

A study on ground squirrels shows, not only do mitochondria produce bioenergy in the cone-shaped photoreceptors in the retina of the eye, they also act as micro-lenses that redirect light to the tapering outer reaches of these cells where light is converted into electrical signals. The finding provides a clearer picture of the evolution and [..]

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Light Wavelengths And Machine Vision Lens Optimization

Lenses play a crucial role in the quality of the images produced by a machine vision system since they determine the sharpness of the image on the camera sensor. As lenses transmit light the first consideration is the light wavelengths used, as this has a major influence on both chromatic aberration and light transmission. This [..]

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Quantum Sensor - Light Intensity, Polarization, Wavelength

Raman spectroscopy is a powerful analytical technique that has been spotlighted for bacteria detection and diagnosis of diseases ranging from infection to cancer. However, as Raman signals are usually weak and can easily be swamped by interfering background signals, deploying Raman spectroscopy can be very challenging in the clinic. One solution to enhance the signals [..]

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NIR-nCLE – Imaging Tech Detects Lung Cancer Earlier

Researchers have developed and tested a new blood vessel imaging approach that will accelerate imaging-based research in the lab by allowing investigators to capture images of blood vessels at different spatial scales. Tested in mouse tissues, the method, dubbed “VascuViz,” includes a quick-setting polymer mixture to fill blood vessels and make them visible in multiple [..]

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Spectral Filters – IR Region – Remote Thermal Imaging

Researchers have invented a low-cost continuous fever screening system – SIFTER – based on an RGB-thermal camera. The system can automatically take temperature readings of people walking by, going about their own business, up to three meters away – no one has to stand in front of a camera for a few seconds to take [..]

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Temperature Monitoring – IR-To-Visible Upconversion Device

Since the earliest scientific developments, researchers have looked to nature as an inspiration source for designing novel functional devices. The so-called bioinspiration and biomimetic designs enabled the development of multifunctional sensors. Recently, researchers developed an ultrasensitive flexible optical waveguide sensor bioinspired in orb webs. They named it bioinspired multifunctional flexible optical sensor (BioMFOS). The multifunctional [..]

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Electron-Phonon Coupling – Optomechanical Applications

Nanopositioning systems work in the nanometer and sub-nanometer scales, moving and arranging stages and samples with incredible precision (motion control). They can position within tens of nanometers, and potentially single-digit nanometers, making them ideal for applications that require extremely precise measurement, such as space telescopes and microscopes. And the scope of nanopositioning systems’ capabilities goes [..]

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Thin Film Solar Cells - Efficient, Non-Toxic, Flexible

Tunable focusing is a desired property in a wide range of optical imaging and sensing technologies but has tended to require bulky components that cannot be integrated on-chip and have slow actuation speeds. Recently, integration of metasurfaces into electrostatic micro-electromechanical system (MEMS) architectures has shown potential to overcome these challenges but has offered limited out-of-plane [..]

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Thermomagnetic Recording On Silicon Waveguide

Researchers have developed a photonic radar system called photonic wideband stepped-frequency (P-WSF) radar system that detects an object’s location, speed, and angle down to the millimeter level. It could be used for applications including autopilot assistance, gesture identification, environmental sensing, and medical imaging. Tests showed that the system successfully handled a broad range of frequencies [..]

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