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Penelitian

Dr. Moh. Yasin, Drs., MSi.

yasin@unair.ac.id

Fakultas Fakultas Sains dan Teknologi / Departemen Fisika

Tim Peneliti :

  1. Moh. Yasin --> Peneliti Utama

Tahun : 2008

Halaman Naskah : 7 halaman

Sumber Dana :

Besaran Dana : 0

SK. Penetapan : Mandiri

Publikasi : Media Jurnal : Journal of Mathematics and Science, Unair, Vol. 11, No.1 (2008)

Kategori Penelitian : Pengetahuan Alam

Posting : 05-05-2011

Visitor : 3445


Download Article : PDF 2609 byte.


Title :

KINERJA SISTEM SENSOR MIKRO-PERGESERAN SERAT OPTIK BUNDEL KONSENTRIS BERBASIS PENDEKATAN TEORI DAN EKSPERIMEN

Author : Dr. Moh. Yasin, Drs., MSi.


Year : 2008

Abstact :

The performance of optical-fiber displacement sensor is inversitgated using a concentric type bundled fiber. A theoretical analysis is developed to support the experimental findings of  the sensor using an electromagnetic Gaussian beam approach to determine the transfer function of the sensor, which is based on the intensity  modulation technique.  The bundling of the probe is sectioned into three parts: a centrally positioned fiber in the bundle for illumination, the first neighbor fibers for receiving (part I), and the remaining fibers for receiving (part II). The sensor has two operating tanges with a good linearity; namely the fornt slope and back slope. On the fornt slope the sensitivities are obtained at 4.65 and 0.85mV/mm for the theoretical and experimental approcahec resepctively while on the back slope the sensitivities are 1.38 and 0.29 mV/mm for theoretical and experimental approaches resepctively. This difference in the theoretical and experimental values could be due to neglecting the effect of Gaussian beam truncation in our simple theoretical model. The front slope is highly sensitive and useful for close distance targets while the back slope is less sensitive and useful for large displacement movements.

 


Keyword : optical fiber displacement sensor, a concentric bundled fiber, paraxial Gaussian beams,


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