NDLI: An integrated optical instrumentation for measuring NO2 gas using one dimensional photonic crystal

Content Provider	IEEE Xplore Digital Library
Author	Rustami, E. Azis, M. Maulina, W. Rahmat, M. Alatas, H. Seminar, K.B.
Copyright Year	2011
Description	Author affiliation: Department of Physics, Bogor Agricultural University, Indonesia (Rustami, E.; Azis, M.; Maulina, W.) \|\| Department of Agricultural Engineering Science, Bogor Agricultural University, Indonesia (Rahmat, M.; Seminar, K.B.) \|\| Theoritical Physics Division, Department of Physics, Bogor Agricultural University, Indonesia (Alatas, H.)
Abstract	Air pollution is one of main problems in human health, especially in big cities. There are five pollutants material which is indicated as a source of air pollution, one of them is nitrogen oxide (NO2). The proper environmental monitoring system for air pollution management has demanding requirements. We have designed an integrated optical sensor to measure NO2 gas concentration using 1-D photonic crystal. The phenomenon of photonic pass band (PPB) has been used as a frequency filter in liquid concentration measurement. Photonic crystal, LED, and photodiode were designed to operate in NO2 absorption spectra that are in the range between 557.23 and 558.01 nm. The NO2 gas concentration is inversely proportional to intensity of peak PPB spectra. We built electronic signal conditioning circuit which is consisting of: current to voltage converter, voltage follower, active low pass filter, and instrumentation amplifier, to get an appropriate signal. The experimental results show that our optical integrated instrumentation is able to measure NO2 gas concentration, while requiring a filtering circuit addition because of the presence of internal noise.
Starting Page	356
Ending Page	360
File Size	919773
Page Count	5
File Format	PDF
ISBN	9781457711671
e-ISBN	9781457711664
DOI	10.1109/ICICI-BME.2011.6108658
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-08
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Photonic pass band (PPB) Absorption Instruments Low pass filters Photonic crystals Optical variables measurement Low pass filter Photodiode Optical sensors Photodiodes Amplifier
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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