Choi, Hee-Dok Park, Youngku Cho, Kyuman Rhee, Bum Ku Hong, Jae-Min 2024-01-20T16:30:33Z 2024-01-20T16:30:33Z 2021-09-05 2011-09-01 0030-4018 https://pubs.kist.re.kr/handle/201004/129994 We constructed an oxygen gas sensing system in which the concentration of the oxygen gas was determined by measuring the phase change related to the surface plasmon with a common path homodyne interferometer. Hemoglobin was used as a sensing material for the oxygen sensor system. It was experimentally found that the detection limit of oxygen gas was as low as 10 ppm in oxygen concentration and the average time for the reaction between oxygen gas and hemoglobin was less than 0.42 s at room temperature. (C) 2011 Elsevier B.V. All rights reserved. English ELSEVIER SCIENCE BV RESONANCE PHASE Highly sensitive oxygen gas sensor using surface plasmon with a common path homodyne interferometer Article 10.1016/j.optcom.2011.05.054 1 OPTICS COMMUNICATIONS, v.284, no.19, pp.4588 - 4591 OPTICS COMMUNICATIONS 284 19 4588 4591 scie scopus 000294374700062 2-s2.0-80051548842 Optics Optics Article RESONANCE PHASE Phase measurement Optics at surface Interferometry SPR sensor