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All Journal PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL)
Ratna Yulia Sari
Program Studi Fisika Fakultas Sains dan Teknologi, Universitas Airlangga, Jl Mulyorejo No. 4-6 Surabaya 60115
Electrical & Electronics Engineering Energy Physics Other

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PENGUKURAN LEVEL KETINGGIAN AIR MENGGUNAKAN FIBER BRAGG GRATING (FBG) BERBASIS MODULASI INTENSITAS LASER DIODA Andi Setiono; Ratna Yulia Sari
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.156 KB) | DOI: 10.21009/0305020104

Abstract

Measurement of water level use Fiber Bragg Grating (FBG) was studied. The measurement was done by straining FBG use cantilever which connected to the cork. By straining of the FBG, grating period will have changed and further affect the transmission response of the propagated light. In this study, the water levels were measured by detect intensity of transmitted laser diode. Wavelength of laser diode and FBG Bragg wavelength were 1553.96 nm and 1554 nm, respectively. The results showed that there is a linear relationship between intensity of transmitted laser diode with the water levels. Sensitivity and resolution were 0.69 dBm/ mm and 1 mm, respectively. Keywords: Fiber bragg grating, water level sensor, modulation of laser diode intensity.
Co-Authors Andi Setiono