Fiber-optic photoacoustic (PA) sensing has important applications in trace gas detection.
The fiber-optic Fabry-Perot acoustic sensor implemented applying a cantilever is a novel …

Optical spectroscopy has a broad scientific basis in chemistry, physics, and material science,
with diverse applications in medicine, pharmaceuticals, agriculture, and environmental …

Many different techniques, such as UV/vis absorption, IR spectroscopy, fluorescence and
Raman spectroscopy are routinely applied in chemical (micro-) analysis and chemical …

Analogous to most new methods in science, photoacoustic spectroscopy (PAS) grew out of
an advance in technology, in this case the dramatic improvement in novel light sources …

Theoretical considerations and a simple but realistic model of the function of the cantilever‐
based photoacoustic trace gas system are presented. The essential features of the …

The rapid growth of industry and the global drive for modernization have led to an increase
in gas emissions, which present significant environmental and health risks. As a result, there …

An all-optical photoacoustic spectrometer based on the diaphragm-based extrinsic Fabry–
Perot interferometer (EFPI) fiber acoustic sensor for trace gas detection at atmospheric …

The related regulations for electric power industry stipulate that CO gas is an important
component to be detected when analyzing the gas composition of SF 6 equipment. In this …

Photoacoustic spectroscopy in a differential Helmholtz resonator has been employed with
near-IR and red diode lasers for the detection of CO 2, H 2 S and O 2 in 1 bar of air/N 2 and …

A compact photoacoustic gas sensor based on a quartz tuning fork and fiber-coupled
distributed feedback (DFB) diode laser for detection of trace gas at atmospheric pressure …