As a replacement for intrusive glucose detection technology, the combination of mid-infrared and photoacoustic spectroscopy has shown significant advancements. A dual single-wavelength quantum cascade laser system has been developed using photoacoustic spectroscopy for noninvasive glucose monitoring. As test models for the setup, biomedical skin phantoms with characteristics similar to human skin have been created using [..]

Due to their simple three-dimensional (3D) nanofabrication, numerous shape transformations, appealing manipulation capabilities, and wealth of possible applications in nanophotonic devices, nano-kirigami metasurfaces have gained increasing attention. In this work, researchers show the broadband and high-efficiency linear polarization conversion in the near-infrared wavelength range by introducing an out-of-plane degree of freedom to the double split-ring [..]

An optical-fingerprint detection system has received a technical patent from the USPTO. The temperature compensation approach can be implemented using a row-based system. In the row-based technique, the first reading is obtained while the matching pixel switches are open, and one or more of the array’s pixels are pixels of a row of the array. [..]

Photonic chips have changed data-intensive technologies. These laser-powered devices send and analyze information at the speed of light, making them a viable answer for artificial intelligence’s data-hungry applications, whether used alone or in conjunction with conventional electrical circuits. A research team has developed a photonic device for AI applications that offers customizable on-chip information processing [..]

Using optical microscopy, researchers have created a new and very effective technique for quickly assessing the antibiotic susceptibility of samples. The process, known as “Optical Nanomotion Detection,” is incredibly quick, sensitive to single cells, label-free, and calls for a straightforward standard optical microscope fitted with a camera or a cell phone. Antibiotic resistance occurs when [..]

The “spooky action at a distance” that once alarmed Einstein may soon become as commonplace as the gyroscopes used in today’s smartphones to monitor acceleration. A new study shows that quantum entanglement dramatically increases the accuracy of sensors that can navigate without GPS. Optomechanical sensors track the disturbance forces that cause a sensing object to [..]

In a single frame from a movie, a new bio-inspired smart neuromorphic sensor can identify moving objects and accurately anticipate where they will go next. Various industries, including dynamic visual sensing, automatic inspection, industrial process management, robotic guiding, and autonomous driving technology, will benefit from using this smart sensor. Current motion detection systems could be [..]

Researchers demonstrate the powers of their brand-new Multi Camera Array Microscope (MCAM), a high-speed, 3D, gigapixel microscope. The device is giving researchers worldwide new opportunities by capturing 3D movies of the behavior of numerous freely swimming zebrafish or the grooming activity of fruit flies in close to cellular-level detail across a very broad field of [..]

Hydrogen is a key component in the search for sustainable and pure energy. But because the gas is explosive when combined with air, this shift faces significant difficulties. It is essential to be able to identify hydrogen leaks as soon as feasible because of this. Researchers have created an optical sensor that can identify hydrogen [..]

Creating new information and communication technologies presents new challenges for scientists and businesses. The most promising approach to overcoming these difficulties is to create novel quantum materials with exceptional properties derived from quantum physics. A multinational team has created a material in which the curvature of the space fabric in which electrons evolve can be [..]

Worldwide, sudden cardiac arrest (SCA) is one of the main causes of death. The SCA-to-resuscitation interval highlights the therapeutic need for accurate and prompt SCA detection, a critical factor in determining patient outcomes. This application may benefit from the non-invasive visual method called near-infrared spectroscopy (NIRS). A non-invasive optical biosensing method called near-infrared spectroscopy (NIRS) [..]

Diagnostic imaging significantly improves clinical analysis and medical intervention by providing doctors and scientists with essential visual representations of internal body structures. Researchers are constantly making strides in knowing how different imaging technologies can improve human health. Brillouin microscopy, in contrast to more traditional imaging techniques like confocal fluorescence microscopy, can obtain mechanical data (such [..]

Astronomers are aware that a larger telescope has more potent imaging capabilities. The first ultrathin, compact metalens telescope capable of imaging distant objects, such as the moon, was developed by a research team to maintain the power while streamlining one of the bulkier components. Traditional camera or telescope lenses are heavy and bulky because they [..]

With the arrival of the Metaverse era, there has been an increase in expectations that virtual reality (VR) and augmented reality (AR) technologies will improve everyday convenience and industry productivity performance. A joint research team has introduced core technology for smart contact lenses to implement AR-based navigation through 3D printing. According to the research team, [..]

Researchers have combined 3D flash and beam-scanning laser light sources to create a 3D, nonmechanical system. According to the researchers, the system can measure the distance of poorly reflective objects in the field of view (FOV) and automatically track their motion — a capability not found in conventional lidar that will allow autonomous vehicles to [..]

Most mainstream commercial solutions for 3D display are based on binocular vision principles to achieve more realistic visual experiences. However, unlike when viewing real 3D objects, the viewer’s depth of visual focus remains constant while wearing the device to obtain 3D information. This vergence accommodation conflict predisposes the viewer to visual fatigue and vertigo, limiting [..]

The C-reactive protein (CRP) is an acute-phase protein that plays a role in inflammation. Furthermore, CRP is a biomarker used in blood analyzer diagnostics to predict the risk of cardiovascular disease (CVD) and monitor bacterial and viral infections. Venipuncture is still required to measure plasma CRP and must be performed by trained phlebotomists. As a [..]