Techniques to enhance the photoacoustic signal for trace gas sensing: A review

F Wang, Y Cheng, Q Xue, Q Wang, R Liang… - Sensors and Actuators A …, 2022 - Elsevier
Photoacoustic spectroscopy (PAS), which relies on the detection of absorption-induced
acoustic waves, is widely used for gas sensing. This paper summarizes and discusses most …

[图书][B] Modern techniques for characterizing magnetic materials

Y Zhu - 2005 - Springer
Much of our understanding of the atomic-scale magnetic structure and the dynamical
properties of solids and liquids was gained from neutron-scattering studies. Elastic and …

Thermomechanical noise of a free v-shaped cantilever for atomic-force microscopy

RW Stark, T Drobek, WM Heckl - Ultramicroscopy, 2001 - Elsevier
We have calculated the thermal noise of a v-shaped AFM cantilever (Microlever, Type E,
Thermomicroscopes) by means of a finite element analysis. The modal shapes of the first 10 …

High sensitivity in gas analysis with photoacoustic detection

J Kauppinen, K Wilcken, I Kauppinen, V Koskinen - Microchemical journal, 2004 - Elsevier
Introduction of a new type of pressure sensor has been shown to improve orders of
magnitude the sensitivity of a photoacoustic measurement system using a black body …

Scanning probe microscopy

PT Lillehei, LA Bottomley - Analytical chemistry, 2000 - ACS Publications
Scanning probe microscopy (SPM) encompasses a family of techniques that measures
surface topography and surface properties on the atomic scale. The number of papers …

Accurate and rapid antibiotic susceptibility testing using a machine learning-assisted nanomotion technology platform

A Sturm, G Jóźwiak, MP Verge, L Munch… - Nature …, 2024 - nature.com
Antimicrobial resistance (AMR) is a major public health threat, reducing treatment options for
infected patients. AMR is promoted by a lack of access to rapid antibiotic susceptibility tests …

A complete analysis of the laser beam deflection systems used in cantilever-based systems

LY Beaulieu, M Godin, O Laroche, V Tabard-Cossa… - Ultramicroscopy, 2007 - Elsevier
A working model has been developed which can be used to significantly increase the
accuracy of cantilever deflection measurements using optical beam techniques (used in …

The noise of coated cantilevers

A Labuda, JR Bates, PH Grütter - Nanotechnology, 2011 - iopscience.iop.org
In atomic force microscopy, cantilevers with a reflective coating are often used to reduce
optical shot noise for deflection detection. However, static AFM experiments can be limited …

Improved sensitivity MEMS cantilever sensor for terahertz photoacoustic spectroscopy

RA Coutu Jr, IR Medvedev, DT Petkie - Sensors, 2016 - mdpi.com
In this paper, a microelectromechanical system (MEMS) cantilever sensor was designed,
modeled and fabricated to measure the terahertz (THz) radiation induced photoacoustic …

Stochastic noise in atomic force microscopy

A Labuda, M Lysy, W Paul, Y Miyahara, P Grütter… - Physical Review E …, 2012 - APS
Having reached the quantum and thermodynamic limits of detection, atomic force
microscopy (AFM) experiments are routinely being performed at the fundamental limit of …