Influence of load by high power on the optical coupler

Lukas Bednarek; Radek Poboril; Ales Vanderka; Lukas Hajek; Jan Nedoma; Vladimir Vasinek

doi:10.1117/12.2256824

23 December 2016 Influence of load by high power on the optical coupler

Lukas Bednarek, Radek Poboril, Ales Vanderka, Lukas Hajek, Jan Nedoma, Vladimir Vasinek

Proceedings Volume 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 1014218 (2016) https://doi.org/10.1117/12.2256824
Event: 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2016, Jasna, Slovakia

Abstract

Nowadays, aging of the optical components is a very current topic. Therefore, some investigations are focused on this area, so that the aging of the optical components is accelerated by thermal, high power and gamma load. This paper deals by findings of the influence of the load by laser with high optical power on the transmission parameters of the optical coupler. The investigated coupler has one input and eight outputs (1x8). Load by laser with high optical power is realized using a fiber laser with a cascade configuration EDFA amplifiers. The output power of the amplifier is approximately 250 mW. Duration of the load is moving from 104 hours to 139 hours. After each load, input power and output powers of all branches are measured. Following parameters of the optical coupler are calculated using formulas: the insertion losses of the individual branches, split ratio, total losses, homogeneity of the losses and cross-talk between different branches. All measurements are performed at wavelengths 1310 nm and 1550 nm. Individual optical powers are measured 20 times, due to the exclusion of statistical error of the measurement. After measuring, the coupler is connected to the amplifier for next cycle of the load. The paper contains an evaluation of the results of the coupler before and after four cycles of the burden.

Citation Download Citation

Lukas Bednarek, Radek Poboril, Ales Vanderka, Lukas Hajek, Jan Nedoma, and Vladimir Vasinek "Influence of load by high power on the optical coupler", Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014218 (23 December 2016); https://doi.org/10.1117/12.2256824

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KEYWORDS

Optical amplifiers

Laser optics

Fiber amplifiers

Optical components

Fiber lasers

Optical fibers

Optical testing

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