| 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 | 195 | 2007 |
| 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 | 135 | 1990 |
| 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 | 119 | 2003 |
| 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 | 115 | 2003 |
| 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 | 102 | 2008 |
| 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 | 85 | 2011 |
| 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 | 85 | 1991 |
| 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 | 84 | 1992 |
| 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 | 84 | 1992 |
| 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 | 78 | 2014 |
| Tunable in-line fiber-optic bandpass filter K McCallion, W Johnstone, G Fawcett optics letters 19 (8), 542-544, 1994 | 76 | 1994 |
| 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 | 68 | 2009 |
| Investigation of optical fibre switch using electro-optic interlays K McCallion, W Johnstone, G Thursby Electronics Letters 28 (4), 410-411, 1992 | 62 | 1992 |
| 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 | 60 | 2011 |
| Fibre-optic polarisers and polarising couplers W Johnstone, G Stewart, B Culshaw, T Hart Electronics Letters 24 (14), 866-868, 1988 | 60 | 1988 |
| Fiber-optic refractometer that utilizes multimode waveguide overlay devices W Johnstone, G Thursby, D Moodie, K McCallion Optics letters 17 (21), 1538-1540, 1992 | 57 | 1992 |
| 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 | 56 | 2010 |
| 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 | 55 | 2008 |
| 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 | 53 | 1999 |
| Continuous-fiber modulator with high-bandwidth coplanar strip electrodes S Creaney, W Johnstone, K McCallion IEEE Photonics Technology Letters 8 (3), 355-357, 1996 | 52 | 1996 |
