20012022

Research output per year

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Research Output

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Paper
2018

CIDAR: combustion species imaging diagnostics for aero-engine research

Archilla, V., Aragón, G., Wright, P., Ozanyan, K., Black, J., Polydorides, N., McCann, H., Lengden, M., Burns, I., Johnstone, W., Polo, V., Beltran, M., Mauchline, I., Walsh, D. & Johnson, M., 18 Jun 2018. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
16 Downloads (Pure)

CIDAR project - development of a non-intrusive capability for aircraft engine measurements

Archilla, V., Aragón, G., Wright, P., Ozanyan, K., Black, J., Lengden, M., Burns, I., Johnstone, W., Polo, V., Beltran, M. & Johnson, M., 18 Jun 2018. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
25 Downloads (Pure)
2014

LD-seeded thulium-doped fibre amplifier for CO2 measurements at 2 µm

Feng, Y., Nilsson, J., Jain, S., May-Smith, T. C., Sahu, J. K., Jia, F., Benoy, T., Wilson, D., Lengden, M. & Johnstone, W., Aug 2014. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
110 Downloads (Pure)
2011

Semiconductor optical amplifiers in avionics

Michie, W., Johnstone, W., Andonovic, I., Murphy, E., White, H. & Kelly, A., 18 Nov 2011, p. 73-74. 2 p.

Research output: Contribution to conferencePaper

Open Access
File
1 Citation (Scopus)
131 Downloads (Pure)
2010

In-situ, real time gas composition measurements for SOFC's using laser spectroscopy

Lengden, M., Johnstone, W. & Cunningham, R., Jul 2010, (Unpublished).

Research output: Contribution to conferencePaper

File
91 Downloads (Pure)

Power requirements and operation of amplified optical networks for future aerospace applications

Proudfoot, A. D., Michie, C., Johnstone, W. & White, H. J., Sep 2010, p. 17-18. 2 p.

Research output: Contribution to conferencePaper

The operation and power budget of amplified optical networks for aerospace applications

Proudfoot, A. D., Michie, C., Johnstone, W. & White, H. J., 1 May 2010, (Unpublished).

Research output: Contribution to conferencePaper

2009

An investigation of TDLS modulation schemes as applied to the Mid-IR spectral region by difference frequency generation in PPLN

Armstrong, I., Chakraborty, A., Ruxton, K. C. & Johnstone, W., Jul 2009, (Unpublished).

Research output: Contribution to conferencePaper

Diode laser spectroscopy using a calibration free phasor decomposition approach to RAM nulling

Ruxton, K. C., Chakraborty, A. L., McGettrick, A. J., Duffin, K., Johnstone, W. & Stewart, G., 2009, p. 70. 1 p.

Research output: Contribution to conferencePaper

Diode laser spectroscopy using a calibration free phasor decomposition approach with RAM nulling

Ruxton, K. C., Chakraborty, A., McGettrick, A. J., Duffin, K., Johnstone, W. & Stewart, G., Jul 2009, p. 80. 1 p.

Research output: Contribution to conferencePaper

Elimination of residual amplitude modulation in TDLS-WMS

Chakraborty, A. L., Ruxton, K. C., Johnstone, W., Lengden, M. & Duffin, K., Jun 2009.

Research output: Contribution to conferencePaper

Gas sensing based on optical fibre coupled diode laser spectroscopy: a new approach to sensor systems for safety monitoring

Culshaw, B., Johnstone, W., Stewart, G., Duffin, K., Mauchline, I. S. & Walsh, D., Nov 2009, p. 949-958. 9 p.

Research output: Contribution to conferencePaper

File
103 Downloads (Pure)

Modelling the power budget of amplified optical networks for future aerospace applications

Proudfoot, A. D., Michie, C., Johnstone, W. & White, H. J., 2009, (Unpublished) p. 72-73. 2 p.

Research output: Contribution to conferencePaper

Recovery of absolute gas absorption lineshapes using TDLS at arbitrary modulation indices

Bain, J. R. P., Stewart, G., Duffin, K., Lengden, M., Ruxton, K. C. & Johnstone, W., Sep 2009.

Research output: Contribution to conferencePaper

Remote methane sensor using raman amplified open path TDLS

Mitchell, D. M., Duffin, K. & Johnstone, W., Jul 2009, p. 34. 1 p.

Research output: Contribution to conferencePaper

8 Citations (Scopus)

Remote methane sensor using TDLS via a high power Raman amplified source

Mitchell, D., Duffin, K. & Johnstone, W., 2009, (Unpublished).

Research output: Contribution to conferencePaper

Remote methane sensor using Tunable Diode Laser Spectroscopy (TDLS) via a 1W Raman So

Mitchell, D. M., Duffin, K. & Johnstone, W., Sep 2009.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Remote methane sensor using tuneable diode laser spectroscopy (TDLS) via a 1W Raman source

Mitchell, D. M., Duffin, K. & Johnstone, W., Oct 2009.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Two gas spectrometers for the investigation of gas absorption parameters at elevated temperatures and pressures

Lengden, M., Bain, J. R. P., Armstrong, I. & Johnstone, W., Sep 2009.

Research output: Contribution to conferencePaper

2008

Calibration free, optical measurements of gas composition for industrial process control in harsh environments

Johnstone, W., McGettrick, A. J., Duffin, K. & Stewart, G., 2008, (Unpublished).

Research output: Contribution to conferencePaper

Calibration free gas composition measurements for industrial process control using a phasor decomposition approach to tunable diode laser spectroscopy

McGettrick, A. J., Johnstone, W., Duffin, K. & Stewart, G., Aug 2008, (Unpublished).

Research output: Contribution to conferencePaper

Remote gas detection using tunable diode laser spectroscopy with high power rare earth and raman fibre amplifiers

Johnstone, W., Duffin, K. & Mitchell, D. M., Dec 2008, (Unpublished).

Research output: Contribution to conferencePaper

2007

Practical introduction to optical WDM components and systems in student teaching laboratories

Mauchline, I., Walsh, D., Moodie, D., Conner, S., Johnstone, W. & Culshaw, B., 2007.

Research output: Contribution to conferencePaper

2005

Detection of acetylene gas using optical correlation spectroscopy

Cheung, A., Johnstone, W. & Moodie, D., 2005.

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Gas spectroscopy in the near infrared optical fibre network

Cheung, A., Culshaw, B., Duffin, K., Johnstone, W., McGettrick, A. D., Mauchline, I. S. & Moodie, D., 2005.

Research output: Contribution to conferencePaper

Microactuated small scale retroreflector for free space optical communications

Jenkins, C. R., Johnstone, W., Uttamchandani, D. G., Handerek, V. & Radcliffe, S., 2005, p. 159-160. 2 p.

Research output: Contribution to conferencePaper

Practical bit error rate measurements on fibre optic communications links in student teaching laboratories

Walsh, D. J., Moodie, D., Mauchline, I. S., Conner, S., Johnstone, W. & Culshaw, B., Oct 2005. 15 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Recent advances in gas detection using optical correlation spectroscopy

Cheung, A., Johnstone, W. & Moodie, D., 2005.

Research output: Contribution to conferencePaper

1 Citation (Scopus)
2003

OptoSci educator kits - an immediate solution to photonics teaching laboratories

Walsh, D. J., Moodie, D., Mauchline, I. S., Johnstone, W. & Stewart, G., Oct 2003. 2 p.

Research output: Contribution to conferencePaper

3 Downloads (Pure)
2002

Large scale multiplexing a point sensor for methane gas detection

Culshaw, B., Johnstone, W., McLean, A., Mauchline, I. S., Moodie, D. & Stewart, G., May 2002, p. 261-264. 4 p.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Optical fibre sensors for environmental monitoring of trace gases

Stewart, G., Whitenett, G. L., Atherton, K., Culshaw, B. & Johnstone, W., Aug 2002, p. 963-964. 2 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)
2001

A distributed fibre optic sensor for liquid hydrocarbon detection

Maclean, A., Moran, C., Johnstone, W., Culshaw, B., Marsh, D. & Andrews, G. M., 2001, p. 47-53. 6 p.

Research output: Contribution to conferencePaper

9 Citations (Scopus)