Resonant field phenomenon in optical ring resonator has been a major theme for various studies and can be used for various sensor applications. The spectral response shape changes are subjects to be discussed and analyzed for detection in optical sensor system. The spectral response changes are caused by various factors ranging from refractive index of the surrounding medium, medium loss due to absorption and scattering, and coupling variation between waveguides. These optical phenomena are mostly used for bio-sensor applications, since it is free from electromagnetic interference (EMI) and non-physically destructive. In this paper, we discuss our current research in developing optical bio-sensor in the form of a fiber optic ring resonator with monochromatic laser source based on spectral integration detection method, which is sufficiently sensitive and accurate.

Bahasa Abstract

Teknik Mendeteksi pada Sensor Fiber Optik Ring Resonator Berbasis Integrasi Intensitas Spektral. Fenomena medan resonansi di dalam ring resonator optik sudah lama dipelajari dan digunakan untuk berbagai aplikasi sensor. Perubahan-perubahan bentuk dari respon spektral adalah topik yang akan dibahas dan dianalisis di dalam sistem sensor optik. Perubahan-perubahan respon spektral disebabkan perubahan indeks bias pada medium sekelilingnya, hilangnya energy optik akibat penyerapan dan difraksi dalam medium, dan bervariasinya nilai kopling di antara waveguides. Fenomena optik ini sebagian besar digunakan untuk aplikasi bio-sensor karena sifatnya yang bebas dari interferensi elektromagnetik dan secara non-fisik tidak merusak. Makalah ini akan membahas penelitian terkini yang kami lakukan untuk mengembangkan bio-sensor optik dalam bentuk ring resonator fiber dengan sumber laser monokromatik berdasarkan metode deteksi integrasi spektral yang lebih sensitif dan akurat.


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