Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors

Lewis Fleming; Shigeng Song; David Hutson; Sam Ahmadzadeh; Ewan Waddell; Ian Brinkley; Craig Michie; Ivan Andonovic; Emma Keel; Paul Hargreaves; Des Gibson

doi:10.1364/oic.2025.ta.11

Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors

Lewis Fleming
, Shigeng Song
, David Hutson
, Sam Ahmadzadeh
, Ewan Waddell
, Ian Brinkley
, Craig Michie
, Ivan Andonovic
, Emma Keel
, Paul Hargreaves
, Des Gibson

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Here, we discuss the application of a very-narrow bandpass mid-IR optical filter designed to capture the Q-branch of the methane ν3 absorption band, providing high-sensitivity requirements for NDIR sensing in Digital Dairy Farming applications.

Original language	English
Title of host publication	Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025
Publisher	Optical Society of America
ISBN (Electronic)	9781957171449
DOIs	https://doi.org/10.1364/oic.2025.ta.11
Publication status	Print publication - May 2025
Event	Optical Interference Coatings Conference 2025, OIC 2025 - Tucson, United States Duration: 18 May 2025 → 23 May 2025

Publication series

Name	Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025

Conference

Conference	Optical Interference Coatings Conference 2025, OIC 2025
Country/Territory	United States
City	Tucson
Period	18/05/25 → 23/05/25

Bibliographical note

Publisher Copyright:
© 2025 The Author(s)

Access to Document

10.1364/oic.2025.ta.11

Cite this

Fleming, L., Song, S., Hutson, D., Ahmadzadeh, S., Waddell, E., Brinkley, I., Michie, C., Andonovic, I., Keel, E., Hargreaves, P., & Gibson, D. (2025). Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors. In Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025 Article TA.11 (Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025). Optical Society of America. https://doi.org/10.1364/oic.2025.ta.11

Fleming, Lewis ; Song, Shigeng ; Hutson, David et al. / Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors. Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025. Optical Society of America, 2025. (Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025).

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title = "Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors",

abstract = "Here, we discuss the application of a very-narrow bandpass mid-IR optical filter designed to capture the Q-branch of the methane ν3 absorption band, providing high-sensitivity requirements for NDIR sensing in Digital Dairy Farming applications.",

author = "Lewis Fleming and Shigeng Song and David Hutson and Sam Ahmadzadeh and Ewan Waddell and Ian Brinkley and Craig Michie and Ivan Andonovic and Emma Keel and Paul Hargreaves and Des Gibson",

note = "Publisher Copyright: {\textcopyright} 2025 The Author(s); Optical Interference Coatings Conference 2025, OIC 2025 ; Conference date: 18-05-2025 Through 23-05-2025",

year = "2025",

month = may,

doi = "10.1364/oic.2025.ta.11",

language = "English",

series = "Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025",

publisher = "Optical Society of America",

booktitle = "Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025",

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Fleming, L, Song, S, Hutson, D, Ahmadzadeh, S, Waddell, E, Brinkley, I, Michie, C, Andonovic, I, Keel, E, Hargreaves, P & Gibson, D 2025, Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors. in Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025., TA.11, Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025, Optical Society of America, Optical Interference Coatings Conference 2025, OIC 2025, Tucson, United States, 18/05/25. https://doi.org/10.1364/oic.2025.ta.11

Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors. / Fleming, Lewis; Song, Shigeng; Hutson, David et al.
Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025. Optical Society of America, 2025. TA.11 (Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors

AU - Fleming, Lewis

AU - Song, Shigeng

AU - Hutson, David

AU - Ahmadzadeh, Sam

AU - Waddell, Ewan

AU - Brinkley, Ian

AU - Michie, Craig

AU - Andonovic, Ivan

AU - Keel, Emma

AU - Hargreaves, Paul

AU - Gibson, Des

PY - 2025/5

Y1 - 2025/5

N2 - Here, we discuss the application of a very-narrow bandpass mid-IR optical filter designed to capture the Q-branch of the methane ν3 absorption band, providing high-sensitivity requirements for NDIR sensing in Digital Dairy Farming applications.

AB - Here, we discuss the application of a very-narrow bandpass mid-IR optical filter designed to capture the Q-branch of the methane ν3 absorption band, providing high-sensitivity requirements for NDIR sensing in Digital Dairy Farming applications.

UR - https://www.scopus.com/pages/publications/105014327153

U2 - 10.1364/oic.2025.ta.11

DO - 10.1364/oic.2025.ta.11

M3 - Conference contribution

AN - SCOPUS:105014327153

T3 - Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025

BT - Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025

PB - Optical Society of America

T2 - Optical Interference Coatings Conference 2025, OIC 2025

Y2 - 18 May 2025 through 23 May 2025

ER -

Fleming L, Song S, Hutson D, Ahmadzadeh S, Waddell E, Brinkley I et al. Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors. In Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025. Optical Society of America. 2025. TA.11. (Optical Interference Coatings, OIC 2025 in Proceedings Optica OIC - Optical Interference Coatings Conference 2025). doi: 10.1364/oic.2025.ta.11

Bandwidth Control of Mid-IR bandpass Filters to Optimise Sensitivity of NDIR Methane Sensors

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