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Walter Johnstone
Walter Johnstone
Professor of Engineering, Strathclyde University
Verified email at strath.ac.uk
Title
Cited by
Cited by
Year
Tunable diode-laser spectroscopy with wavelength modulation: a calibration-free approach to the recovery of absolute gas absorption line shapes
K Duffin, AJ McGettrick, W Johnstone, G Stewart, DG Moodie
Journal of Lightwave Technology 25 (10), 3114-3125, 2007
1912007
Surface plasmon polaritons in thin metal films and their role in fiber optic polarizing devices
W Johnstone, G Stewart, T Hart, B Culshaw
Journal of Lightwave Technology 8 (4), 538-544, 1990
1331990
Detection of hydrocarbon fuel spills using a distributed fibre optic sensor
A MacLean, C Moran, W Johnstone, B Culshaw, D Marsh, P Parker
Sensors and Actuators A: Physical 109 (1-2), 60-67, 2003
1182003
Optical fibre instrumentation for environmental monitoring applications
G Whitenett, G Stewart, K Atherton, B Culshaw, W Johnstone
Journal of Optics A: Pure and Applied Optics 5 (5), S140, 2003
1142003
Tunable diode laser spectroscopy with wavelength modulation: A phasor decomposition method for calibration-free measurements of gas concentration and pressure
AJ McGettrick, K Duffin, W Johnstone, G Stewart, DG Moodie
Journal of Lightwave Technology 26 (4), 432-440, 2008
1002008
In-line fibre-optic intensity modulator using electro-optic polymer
G Fawcett, W Johnstone, I Andonovic, DJ Bone, TG Harvey, N Carter, ...
Electronics Letters 28 (11), 985-986, 1992
841992
Recovery of absolute gas absorption line shapes using tunable diode laser spectroscopy with wavelength modulation—Part I: Theoretical analysis
G Stewart, W Johnstone, JRP Bain, K Ruxton, K Duffin
Journal of Lightwave Technology 29 (6), 811-821, 2011
832011
Fibre optic wavelength channel selector with high resolution
W Johnstone, G Thursby, D Moodie, R Varshney, B Culshaw
Electronics Letters 28 (14), 1364-1365, 1992
831992
Fibre optic modulators using active multimode waveguide overlays
W Johnstone, S Murray, G Thursby, M Gill, A McDonach, D Moodie, ...
Electronics Letters 27 (11), 894-896, 1991
831991
3D-printed miniature gas cell for photoacoustic spectroscopy of trace gases
R Bauer, G Stewart, W Johnstone, E Boyd, M Lengden
Optics letters 39 (16), 4796-4799, 2014
772014
Tunable in-line fiber-optic bandpass filter
K McCallion, W Johnstone, G Fawcett
optics letters 19 (8), 542-544, 1994
751994
Elimination of residual amplitude modulation in tunable diode laser wavelength modulation spectroscopy using an optical fiber delay line
AL Chakraborty, K Ruxton, W Johnstone, M Lengden, K Duffin
Optics Express 17 (12), 9602-9607, 2009
682009
Recovery of absolute gas absorption line shapes using tunable diode laser spectroscopy with wavelength modulation—Part 2: Experimental investigation
JRP Bain, W Johnstone, K Ruxton, G Stewart, M Lengden, K Duffin
Journal of lightwave technology 29 (7), 987-996, 2011
622011
Investigation of optical fibre switch using electro-optic interlays
K McCallion, W Johnstone, G Thursby
Electronics Letters 28 (4), 410-411, 1992
611992
Fibre-optic polarisers and polarising couplers
W Johnstone, G Stewart, B Culshaw, T Hart
Electronics Letters 24 (14), 866-868, 1988
601988
Fiber-optic refractometer that utilizes multimode waveguide overlay devices
W Johnstone, G Thursby, D Moodie, K McCallion
Optics letters 17 (21), 1538-1540, 1992
571992
Tunable diode laser spectroscopy with wavelength modulation: Elimination of residual amplitude modulation in a phasor decomposition approach
K Ruxton, AL Chakraborty, W Johnstone, M Lengden, G Stewart, K Duffin
Sensors and Actuators B: Chemical 150 (1), 367-375, 2010
552010
Tunable diode laser spectroscopy for industrial process applications: System characterization in conventional and new approaches
W Johnstone, AJ McGettrick, K Duffin, A Cheung, G Stewart
IEEE Sensors Journal 8 (7), 1079-1088, 2008
552008
Mode-hop-free single-longitudinal-mode erbium-doped fiber laser frequency scanned with a fiber ring resonator
SK Kim, G Stewart, W Johnstone, B Culshaw
Applied Optics 38 (24), 5154-5157, 1999
531999
Continuous-fiber modulator with high-bandwidth coplanar strip electrodes
S Creaney, W Johnstone, K McCallion
IEEE Photonics Technology Letters 8 (3), 355-357, 1996
521996
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