Low volume gas sensing

A link to the flyer can be found here

Relevant publications

• Mid-IR spectroscopic instrumentation for point-of-care diagnosis using a hollow silica waveguide gas cell
  D Francis, J Hodgkinson, C Walton, J Sizer^*, P Black⁺, B Livingstone⁺, D P Fowler, M K Patel, and R P Tatam
  Presented at BiOS (Part of SPIE Photonics West), San Francisco, CA, USA, January 2017
  Proc. SPIE 10072 Article number 1007209 (2017) CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/12095
  ^{*Bedford Hospital, UK, +Cascade Technologies, UK}
• Low-volume, fast response-time hollow silica waveguide gas cells for mid-IR spectroscopy
  D Francis, J Hodgkinson, B Livingstone^*, P Black^* and R P Tatam
  Applied Optics 55, 25, 6797-6806 – Open Access
  ^{*Cascade Technologies, Emerson Process, Stirling, UK}
  CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/9862
• Quantum cascade laser light propagation through hollow silica waveguides
  D Francis, J Hodgkinson, B Livingstone^* and R P Tatam
  Applied Physics B 119(1), 75-86 (2015) – Open Access
  ^{*Cascade Technologies Ltd, Stirling, UK,} 
  CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/9853
• Optical gas sensing: a review
  J Hodgkinson and R P Tatam
  Measurement Science and Technology, 24, 012004 (59pp) (2013) CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/8226

Gas sensing with integrating spheres

A link to the flyer can be found here

Relevant publications

• Integrating cavity based gas cells: a multibeam compensation scheme for pathlength variation
  S Bergin, J Hodgkinson, D Francis, and R P Tatam
  Optics Express 24, 12, 13647-13664 (2016) – Open Access
  CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/9862
• Sensitive detection of methane at 3.3 μm using an integrating sphere and interband cascade laser
  N M Davis, J Hodgkinson, D Francis, and R P Tatam
  Presented at Optical Sensing and Detection IV, held in Brussels, Belgium, April 2016.
  Proc. SPIE 9899, 98990M (2016)
  CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/9837
• Using integrating spheres with wavelength modulation spectroscopy: effect of pathlength distribution on 2nd harmonic signals
  J Hodgkinson, D Masiyano and R P Tatam
  Applied Physics B 110, 223-231 (2013).
  CERES: https://dspace.lib.cranfield.ac.uk/handle/1826/8389
• Gas cells for tunable diode laser absorption spectroscopy employing optical diffusers. Part 2: Integrating spheres.
  D Masiyano, J Hodgkinson and R P Tatam
  Applied Physics B, 100, 303-312 (2010)
  Special issue, 7th International Conference on Tunable Diode Laser Spectroscopy (TDLS 2009), Zermatt, 2009
• Using integrating spheres as absorption cells: pathlength distribution and application of Beer’s Law
  J Hodgkinson, D Masiyano and R P Tatam
  Applied Optics 48, 5748-5758 (2009)