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14 June 2023 Part-per-trillion selective gas sensing using FLOWER
Tsu-Te Judith Su
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Proceedings Volume PC12541, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXIV; PC1254101 (2023) https://doi.org/10.1117/12.2663399
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States
Abstract
Ultra-sensitive and selective gas sensing plays a role in defense and environmental mentoring. Current highly sensitive techniques such as graphene lack selectivity and highly selective techniques such as microresonator soliton dual comb spectroscopy techniques lack the sensitivity of the techniques such as graphene. We have previously developed an ultra-sensitive biosensor known as FLOWER that enables the detection of single macromolecules. FLOWER is based on optical microresonator technology. Here, we adapt FLOWER for highly sensitive and selective chemical sensing by combining it with custom synthesized sorbent polymer coatings. We demonstrate part-per-trillion selective detection of DIMP as well as formaldehyde and ammonia.
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Tsu-Te Judith Su "Part-per-trillion selective gas sensing using FLOWER", Proc. SPIE PC12541, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXIV, PC1254101 (14 June 2023); https://doi.org/10.1117/12.2663399
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KEYWORDS
Microresonators
Sensors
Macromolecules
Optical coatings
Polymers
Resonators
Safety
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