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Electrical and electronic engineering
A low-cost all-fiber wavelength measurement technique is proposed and demonstrated. A macrobending standard single-mode fiber is developed as an edge filter with an optimal design and simple surface processing. A ratiometric wavelength measurement system employing the developed macrobending fiber filter demonstrates a resolution of ∼10 pm in a wavelength range from 1500 to 1560 nm with ease of assembly and calibration.
Wang, Q., Farrell,G., Freir,T.,Rajan, G., Wang, P.: Low-cost wavelength measurement based on a macrobending single-mode fiber. Optics Letters, Vol.31 (12), 2006, pp.1785-1787. doi;10.1364/OL.31.001785