Kunlavia, NilfaHartati (2014) Pengaruh Temperatur Terhadap Kinerja Plastic Optical Fiber Jenis Step Index Multimode Pada Sistem Komunikasi Serat Optik. Sarjana thesis, Universitas Brawijaya.
Abstract
Perubahan temperatur terhadap Plastic Optical Fiber (POF) akan mempengaruhi kinerja sistem jaringan transmisi serat optik. Persamaan Sellmeier menyatakan bahwakenaikan temperatur akan mengakibatkan kenaikan indeks bias.Hal ini akan memberikan konsekuensi adanya perubahan Numerical Aperture (NA), sudut datang dan sudut bias cahaya, dan selanjutnya akan berpengaruh terhadap kinerja sistem.Pada penelitian ini akan dilakukan analisis besarnya pengaruh perubahan temperatur terhadap kinerja POF. Penelitian dimulai dengan melakukan pengukuran kinerja, dengan menggunakan perangkat sumber optik yaitu LED (tipe SFH756V dengan panjang gelombang 660 nm), POF jenis step index multimode, dan photodiode(tipe SFH551/1V). Perubahan temperatur yang dikaji yaitu antara 20oC sampai 65oC. Hasil penelitian menunjukkan bahwa ada perubahan secara eksponensial nilai BER terhadap perubahan temperatur. Kesalahan ini ditunjukkan pada temperatur 30oC hingga 65oC dengan nilai BER secara berturut-turut adalah 6,25 x 10-6 dan 2,5 x 10-5. Besar noise ditunjukkan konstan pada suhu 40oC sampai 65oC dengan nilai SNR sekitar 8,1dB dan noise margin sekitar 68,5%. Timing jitter naik secara linier pada temperatur 20oC hingga 65oC secara berturut-turut sebesar 6,15% dan 7,88%. Bit rate menunjukkan perubahan yang kecil yaitu 200 bps antara temperatur 20oC sampai 65oC.
English Abstract
Temperaturechanges towards the Plastic Optical Fiber (POF) will affect the performance of the Fiber Optic Transmission Network.Sellmeier equation showed thatincreasing thetemperature influenced the increased of the refractive index.The change in performance happened due to the changes in the numerical aperture (NA), the acceptance angle, and the refraction angle. How the temperatures affectedthe POF performance was conducted in this experiment. The experiment began by measuring the performance using an LED (type SFH756V with 600nm), a step index multimode POF, and a photodiode (type SFH551/1V). Range of temperatureswas between 20oC and 65oC. The results showed that the change of temperatures caused an exponential change of the BER. The BER showed the value of 6,25x10-6up to 2,5x10-5 at the temperature of 30oC up to 65oC. The noises wereexpressed by the SNR and the noise margin of 8,1dB and 68,5%, respectively. The timing jitter linearly increased from 6,15% up to 7,88% at 20oC up to 65oC. A small change of the bit rate of 200 bps was obtained at 20oC up to 65oC.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FT/2014/97/051401236 |
| Subjects: | 600 Technology (Applied sciences) > 621 Applied physics > 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting |
| Divisions: | Fakultas Teknik > Teknik Elektro |
| Depositing User: | Hasbi |
| Date Deposited: | 21 Feb 2014 13:41 |
| Last Modified: | 22 Oct 2021 02:00 |
| URI: | http://repository.ub.ac.id/id/eprint/143135 |
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