Miniaturized spectroscopy systems that can detect trace concentrations at the parts-per-billion (ppb) level are of utmost importance in applications ranging from environmental monitoring and ...

A new method for real-time detection and identification of very low concentrations of gases adds coherent control to quartz-enhanced photoacoustic spectroscopy, which uses a quartz tuning fork to ...

Solid-state laser-based external-cavity QEPAS detection. Solid-state laser-based intra-cavity QEPAS detection. USA, September 1, 2024 /EINPresswire.com/ -- A long ...

To understand the brain better, new methods are required to observe its activity. That aim is at the heart of a molecular engineering project, spearheaded by two research groups at the European ...

Researchers have developed a method for quickly detecting and identifying very low concentrations of gases, which, could form the basis for highly sensitive real-time sensors for applications such as ...

The miniaturized all-fiber photoacoustic spectrometer (FPAS) consists of a single optical fiber, a silica capillary, and an elastic membrane. The fiber's end facet and the membrane form a Fabry-Perot ...

Neuroscientists have sought to better understand brain function but lacked the capability to observe neuronal activity deep within the brain. Scientists have applied rational molecular engineering to ...