This work reports an on-chip integrated non-dispersive infrared CO2 sensor, in which a microelectromechanical system infrared emitter and a thermopile detector are monolithically integrated on a ...

A research group from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences recently developed a neural network-based absorbance recovery method to improve the accuracy ...

Physicists have shown that Doppler-broadened absorption spectra of potassium's 4S to 5P transitions, fitted with the ElecSus ...

Researchers have built an extended-cavity tapered amplifier laser stabilized by a volume Bragg grating that delivers up to ...

Absorption spectroscopy limited only by quantum noise has been demonstrated over a broad frequency range using laser frequency combs. Absorption spectra have been widely used for decades to study the ...

A project at China's Zhejiang Normal University (ZJNU) has applied laser spectroscopy to bomb-peak dating, potentially assisting a number of carbon-dating and forensic applications. Bomb-peak dating ...

For the engineer or scientist using spectroscopic laser diagnostics to investigate gas-phase media or plasmas, this book is an excellent resource for gaining a deeper understanding of the physics of ...

Raman spectroscopy equipment is the most powerful tool for researching carbon materials like graphene and carbon nanotubes, or for investigating microscopic "strain (stress)" in semiconductor ...

A research team led by Prof. Zhang Zhirong from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a high-performance laser-based three-dimensional methane gas ...

Deep inside a diamond, a misplaced atom or an empty spot in the crystal ...

According to a study published in FUEL recently, a neural network-based absorbance recovery method was developed by a research group led by Prof. GAO Xiaoming and Prof. LIU Kun from the Hefei ...