Karakterisasi Sensor Kekentalan Oli Berbasis Serat Optik Plastik Menggunakan Metode Back Scattering
DOI:
https://doi.org/10.26418/positron.v8i1.24108Keywords:
kekentalan oli, plastik, sensor, serat optikAbstract
Telah dilakukan penelitian tentang penentuan karakterisasi sensor kekentalan oli berbasis serat optik plastik. Sensor ini dibuat dengan cara memposisikan dua buah serat optik (transmitter dan receiver) tercelup ke dalam sampel oli yang diposisikan sejajar dan tegak lurus terhadap permukaan oli menggunakan metode hamburan balik (back scattering) pada sistem sensor serat optik intrinsik. Cahaya LED ditransmisikan melalui serat optik transmitter dan akan mengalami back scattering di dalam sampel oli kemudian diteruskan oleh serat optik receiver menuju fotodetektor dan akan terbaca pada OPM dan komputer. Penentuan karakteristik sensor kekentalan oli menggunakan variasi jarak dan panjang kupasan sensor serat optik dengan cladding dan tanpa cladding. Pengukuran terbaik diperoleh pada panjang kupasan 3 cm tanpa cladding menghasilkan nilai range16,427 nWatt, sensitivitas 0,205 nWatt/mPa.s, dan resolusi 4,870 mPa.s. Metode ini efektif dan efisien digunakan sebagai sensor kekentalan oli dengan sensitivitas dan resolusi yang baik.References
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