Abstract
We demonstrate the singlemode-multimode-singlemode (SMS) fiber structure for formalin detection. Formalin is a formaldehyde compound in water with an average concentration of 37 % and 15 % of methanol and water. Formalin consists of two substances; formaldehyde and water. Formaldehyde contamination in foods causes a negative effect for body. International Agency for Research on Cancer (IARC) classifies formaldehyde into Group 1 (carcinogenic to humans). Detection contamination of formalin in foods is very important. In this work, SMS fiber structure was used for formalin detection due to easy fabrication, cheap and more accurate in readings. This experiment utilized a difference in refractive index that affects the power output from optical fiber.
| Original language | English |
|---|---|
| Title of host publication | Third International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018 |
| Editors | Agus Muhammad Hatta, Aulia Nasution |
| Publisher | SPIE |
| ISBN (Electronic) | 9781510627543 |
| DOIs | |
| Publication status | Published - 2019 |
| Event | 3rd International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018 - Surabaya, Indonesia Duration: 1 Aug 2018 → 2 Aug 2018 |
Publication series
| Name | Proceedings of SPIE - The International Society for Optical Engineering |
|---|---|
| Volume | 11044 |
| ISSN (Print) | 0277-786X |
| ISSN (Electronic) | 1996-756X |
Conference
| Conference | 3rd International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018 |
|---|---|
| Country/Territory | Indonesia |
| City | Surabaya |
| Period | 1/08/18 → 2/08/18 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Fiber optic sensor
- Formalin
- Optical sensor
- SMS fiber
- Singlemode-multimode-singlemode
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