Traditional computers rely on electrons to transmit information, which can limit their processing speed. However, a new frontier in computing is emerging – photonics – which utilizes light for data transmission.  A recent breakthrough in 3D integrated photonics has paved the way for a new generation of photonic processors that can tackle complex problems significantly [..]

Lead exposure is a serious public health concern, particularly for children. Traditional methods for detecting lead exposure can be time-consuming and expensive. This research highlights two promising advancements in lead exposure detection that utilize innovative applications of optics and photonics. The first technique leverages portable X-ray fluorescence (XRF) analyzers. XRF spectroscopy is a non-destructive analytical [..]

Contactless hand biometrics, a technology that captures 3D images of hands for identification purposes, has gained significant attention in recent years. While it offers the potential for more secure and convenient authentication, its application in forensic investigations is still in its early stages. A recent study has highlighted the limitations of contactless hand biometrics in [..]

A recent study has shed new light on the early stages of substance use. Researchers used a specialized type of MRI, called neuromelanin-sensitive MRI, to examine the brains of young adults who had a history of extensive alcohol and drug use. Neuromelanin is a pigment in certain brain areas, including the midbrain, where dopamine is [..]

Optical tweezers are powerful tools that use light to trap and manipulate microscopic objects. They have a wide range of applications in biology and medicine, but current integrated optical tweezers have limitations. New research discusses a new approach that uses integrated optical phased arrays (OPAs) to overcome these limitations. The OPA system can trap and [..]

Event-based cameras, also known as neuromorphic sensors, have garnered significant attention in machine vision due to their energy efficiency and high temporal resolution. However, a critical limitation has hindered their widespread adoption: their inability to capture information on the edges of objects parallel to the camera’s motion. This issue can significantly impact the performance of [..]

Researchers have developed a wearable device that uses light to kill bacteria in chronic wounds. The ACEL mPDT device is powered by the wearer’s movements and designed to be safe and effective for treating wounds infected with MRSA. The device is made of a flexible material that conforms to the body. It contains a hydrogel [..]

Generating laser light in the green spectrum has traditionally been challenging due to the limitations of conventional laser designs. This spectral region, known as the green gap, lies between the more easily achievable red and blue wavelengths. A recent study presents a groundbreaking technique for overcoming this hurdle. Researchers have successfully employed Kerr optical parametric [..]

In integrated photonics, achieving high-coherence parallelization is a topic that has garnered significant interest. A new study presents a novel approach to accomplishing this feat. The researchers leverage self-injection locked microcombs to injection lock distributed feedback (DFB) lasers. This ingenious strategy paves the way for creating high-coherence channels boasting linewidths as low as 10 Hz [..]

New research discusses a groundbreaking new optomechanical method for neuronal stimulation and modulation. Researchers have developed a technique that utilizes a sunflower pollen grain tip as a bio-dart to stimulate neurons. This bio-dart is propelled towards the cell membrane using optical scattering force. The impact triggers the opening of mechanosensitive ion channels, ultimately leading to neural [..]

Light-sheet fluorescence microscopy (LSFM) is a cornerstone of biological research, enabling researchers to peer into the intricate world within living cells in 3D.  LSFM achieves this by illuminating a thin layer of the sample with light and capturing the emitted fluorescence.  While this method offers high-resolution 3D imaging with minimal photobleaching, designing the illumination beam [..]

Traditionally, liquid crystal (LC) holography has been confined to the scalar domain, manipulating only light intensity. This limitation hinders the ability to control light fields and encode complex information fully. Researchers have recently made significant strides in overcoming this hurdle, achieving vectorial LC holography using a single-layer, single-material LC superstructure. This novel approach leverages a [..]

A groundbreaking study has demonstrated the potential of optical spectroscopy to assess COVID-19 severity rapidly. By employing Brillouin light scattering (BLS) spectroscopy, researchers have shown that subtle changes in blood plasma viscosity can serve as a valuable biomarker for disease progression. BLS is a non-invasive technique that analyzes the interaction of light with acoustic waves [..]

Solitary pulmonary mucinous adenocarcinoma (SPMA) is a challenging lung cancer to diagnose due to its often slow-growing nature. Traditionally, invasive surgical biopsies have been the gold standard for confirmation. However, a recent study has introduced a promising alternative: a novel nomogram model. This nomogram is a diagnostic tool that combines clinical and radiological data to [..]

Our cell membranes are like the gatekeepers of our cells, controlling what goes in and out. But they’re not just passive barriers; they also respond to physical cues from their environment. A recent study used a powerful imaging technique called cryo-electron microscopy to show how these membranes react to mechanical stress. The study focused on [..]

Gamma imaging, a cornerstone of nuclear medicine, traditionally relies on large, stationary cameras. This limits patient access and restricts the technique to specialized departments. However, a new device, Seracam, is challenging the status quo. Seracam is a compact, portable gamma camera designed for small-organ imaging. Its dimensions – just 15 cm in diameter and 24 [..]

New research describes a novel technique for creating micro-optical components using a special type of ZIF-62 hybrid glasses. This method leverages hot imprinting, a 3D printing technique, to precisely shape the glass. Researchers have successfully fabricated micro-optical elements with this approach, paving the way for integrating Metal-Organic Frameworks (MOFs) into photonic devices. MOFs are a [..]