K. Duffin

Recovery of Absolute Gas Absorption Line Shapes Using Tunable Diode Laser Spectroscopy With Wavelength Modulation—Part 2: Experimental Investigation

W Johnstone, G. Stewart, W. Johnstone, 2011, Journal of Lightwave Technology.

Tunable Diode Laser Spectroscopy With Wavelength Modulation: A Phasor Decomposition Method for Calibration-Free Measurements of Gas Concentration and Pressure

W. Johnstone, K. Duffin, G. Stewart, 2008, Journal of Lightwave Technology.

Wavelength modulation spectroscopy with tunable diode lasers : a calibration-free approach to the recovery of absolute gas absorption line-shapes

K. Duffin, 2007 .

Tunable diode and fibre laser spectroscopy in the near-IR for measurement of gas parameters

George Stewart, Walter Johnstone, Norhana Arsad, 2008, Photonics Europe.

Elimination of residual amplitude modulation in TDLS-WMS

W. Johnstone, M. Lengden, K. Ruxton, 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference.

Recovery of Absolute Gas Absorption Line Shapes Using Tunable Diode Laser Spectroscopy With Wavelength Modulation—Part I: Theoretical Analysis

G. Stewart, W. Johnstone, J. Bain, 2011, Journal of Lightwave Technology.

Elimination of residual amplitude modulation in tunable diode laser wavelength modulation spectroscopy using an optical fiber delay line.

Walter Johnstone, Keith Ruxton, Arup Lal Chakraborty, 2009, Optics express.

Tunable diode laser spectroscopy for industrial process applications

George Stewart, Walter Johnstone, A. J. McGettrick, 2007, European Workshop on Optical Fibre Sensors.

Tunable Diode-Laser Spectroscopy With Wavelength Modulation: A Calibration-Free Approach to the Recovery of Absolute Gas Absorption Line Shapes

W. Johnstone, K. Duffin, G. Stewart, 2007, Journal of Lightwave Technology.