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Themed collection Analysis in gases and liquids using quantum cascade lasers

7 items
Editorial

Editorial – analysis in gases and liquids using quantum cascade lasers

This Editorial introduces Analyst's themed collection on analysis in gases and liquids using quantum cascade lasers, guest edited by Boris Mizaikoff and Bernhard Lendl.

Graphical abstract: Editorial – analysis in gases and liquids using quantum cascade lasers
Paper

High performance liquid chromatography with mid-infrared detection based on a broadly tunable quantum cascade laser

We present the first realization of spectroscopic HPLC detection based on an EC-QCL light source. Sugars and other contents of different beverages were determined as examples.

Graphical abstract: High performance liquid chromatography with mid-infrared detection based on a broadly tunable quantum cascade laser
Paper

A compact QCL based methane and nitrous oxide sensor for environmental and medical applications

A methane (CH4) and nitrous oxide (N2O) sensor based on a sensitive, selective and well established technique of quartz enhanced photoacoustic spectroscopy (QEPAS) was developed for environmental and biomedical measurements.

Graphical abstract: A compact QCL based methane and nitrous oxide sensor for environmental and medical applications
Paper

Real-time trace gas sensing of fluorocarbons using a swept-wavelength external cavity quantum cascade laser

Real-time sensing of fluorocarbons at low part-per-billion concentrations using an external cavity quantum cascade laser.

Graphical abstract: Real-time trace gas sensing of fluorocarbons using a swept-wavelength external cavity quantum cascade laser
Paper

Broadband spectroscopy with external cavity quantum cascade lasers beyond conventional absorption measurements

Powerful external cavity quantum cascade lasers enable unconventional broadband absorption measurements: fiber-ATR, vibrational dichroism, and photothermal emission spectroscopy.

Graphical abstract: Broadband spectroscopy with external cavity quantum cascade lasers beyond conventional absorption measurements
Paper

A quartz enhanced photo-acoustic gas sensor based on a custom tuning fork and a terahertz quantum cascade laser

An innovative quartz enhanced photoacoustic (QEPAS) gas sensing system operating in the THz spectral range and employing a custom quartz tuning fork (QTF) is described. The QTF dimensions are 3.3 cm × 0.4 cm × 0.8 cm, with the two prongs spaced by ∼800 μm.

Graphical abstract: A quartz enhanced photo-acoustic gas sensor based on a custom tuning fork and a terahertz quantum cascade laser
Paper

Mid-infrared spectroscopy for gases and liquids based on quantum cascade technologies

Compact QCL based sensors combining a cylindrical cell and a QCD for gases and a microfluidic system on a waveguide for liquids.

Graphical abstract: Mid-infrared spectroscopy for gases and liquids based on quantum cascade technologies
7 items

About this collection

This is a collection of papers looking at the emerging number of ways that quantum cascade lasers can be employed for the analysis in gases and liquids – highlighting important developments and novel applications. Guest Edited by Boris Mizaikoff and Bernhard Lendl. New articles will be added to this collection as they are published.

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