Whispering gallery modes on optical micro-bottle resonator for humidity sensor application
We investigate the use of a class of whispering gallery mode optical resonators, namely, optical microbottle resonators (MBR) as a relative humidity (RH) sensor. The MBR is fabricated via the so-called “soften-and-compress” method to create a bulge (bottle) structure with a bottle diameter D b =190...
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| Format: | Article |
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Elsevier
2019
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| _version_ | 1825720879555805184 |
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| author | Johari, Md Ashadi Md Abdul Khudus, Muhammad Imran Mustafa Jali, Mohd Hafiz Al Noman, Abdullah Harun, Sulaiman Wadi |
| author_facet | Johari, Md Ashadi Md Abdul Khudus, Muhammad Imran Mustafa Jali, Mohd Hafiz Al Noman, Abdullah Harun, Sulaiman Wadi |
| author_sort | Johari, Md Ashadi Md |
| collection | UM |
| description | We investigate the use of a class of whispering gallery mode optical resonators, namely, optical microbottle resonators (MBR) as a relative humidity (RH) sensor. The MBR is fabricated via the so-called “soften-and-compress” method to create a bulge (bottle) structure with a bottle diameter D b =190μm, stem diameter of D s =125μm and bottle length of L b =182μm. The MBR is then optically excited by using a 2 μm optical microfiber and was found to have a Q-factor of >10 4 . The MBR was then employed as a humidity sensor with a RH range of between 40%–80% and the performance is compared with a no-MBR microfiber. The MBR RH sensor was found to have a sensitivity 0.0487 dB/%, linearity >90% and P-value >10 5 and is superior to the no-MBR microfiber in all measured parameters. The MBR RH sensor was also found to have good repeatability and stability over a period of 60 s. The wavelength shifted for the MBR is 0.03 nm greater than no-MBR. © 2019 Elsevier GmbH |
| first_indexed | 2024-03-06T05:41:49Z |
| format | Article |
| id | um.eprints-16726 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:41:49Z |
| publishDate | 2019 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | um.eprints-167262020-03-17T04:28:46Z http://eprints.um.edu.my/16726/ Whispering gallery modes on optical micro-bottle resonator for humidity sensor application Johari, Md Ashadi Md Abdul Khudus, Muhammad Imran Mustafa Jali, Mohd Hafiz Al Noman, Abdullah Harun, Sulaiman Wadi QC Physics TK Electrical engineering. Electronics Nuclear engineering We investigate the use of a class of whispering gallery mode optical resonators, namely, optical microbottle resonators (MBR) as a relative humidity (RH) sensor. The MBR is fabricated via the so-called “soften-and-compress” method to create a bulge (bottle) structure with a bottle diameter D b =190μm, stem diameter of D s =125μm and bottle length of L b =182μm. The MBR is then optically excited by using a 2 μm optical microfiber and was found to have a Q-factor of >10 4 . The MBR was then employed as a humidity sensor with a RH range of between 40%–80% and the performance is compared with a no-MBR microfiber. The MBR RH sensor was found to have a sensitivity 0.0487 dB/%, linearity >90% and P-value >10 5 and is superior to the no-MBR microfiber in all measured parameters. The MBR RH sensor was also found to have good repeatability and stability over a period of 60 s. The wavelength shifted for the MBR is 0.03 nm greater than no-MBR. © 2019 Elsevier GmbH Elsevier 2019 Article PeerReviewed Johari, Md Ashadi Md and Abdul Khudus, Muhammad Imran Mustafa and Jali, Mohd Hafiz and Al Noman, Abdullah and Harun, Sulaiman Wadi (2019) Whispering gallery modes on optical micro-bottle resonator for humidity sensor application. Optik, 185. pp. 558-565. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.03.111 <https://doi.org/10.1016/j.ijleo.2019.03.111>. https://doi.org/10.1016/j.ijleo.2019.03.111 doi:10.1016/j.ijleo.2019.03.111 |
| spellingShingle | QC Physics TK Electrical engineering. Electronics Nuclear engineering Johari, Md Ashadi Md Abdul Khudus, Muhammad Imran Mustafa Jali, Mohd Hafiz Al Noman, Abdullah Harun, Sulaiman Wadi Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title | Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title_full | Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title_fullStr | Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title_full_unstemmed | Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title_short | Whispering gallery modes on optical micro-bottle resonator for humidity sensor application |
| title_sort | whispering gallery modes on optical micro bottle resonator for humidity sensor application |
| topic | QC Physics TK Electrical engineering. Electronics Nuclear engineering |
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