OPTICAL HUMIDITY SENSOR WITH DIFFERENTIAL REGISTRATION
Nazarov Abdulaziz MuminovichTashkent State Technical University named after Islam Karimov, Universitet street, 2, Tashkent 100095, UzbekistanKhasanov Mirkomil Mirhidoyat o'g'liTashkent State Technical University named after Islam Karimov, Universitet street, 2, Tashkent 100095, UzbekistanIbragimova Barno BakhramovnaTashkent State Technical University named after Islam Karimov, Universitet street, 2, Tashkent 100095, UzbekistanAripova Makhpuza XashimovnaTashkent State Technical University named after Islam Karimov, Universitet street, 2, Tashkent 100095, UzbekistanBaymatova Nargiza TuxtabayevnaTashkent State Technical University named after Islam Karimov, Universitet street, 2, Tashkent 100095, Uzbekistan
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The article discusses the development of a fiber-optic moisture sensor based on differential registration. The possibility of a sharp increase in the sensitivity of a fiber sensor due to the transition to the method of laser absorption with an internal resonator is analyzed. The change in the laser emission spectrum due to selective absorption and the scheme of a laser spectrometer with an internal resonator are presented. The block diagram and main technical parameters of a fiber-optic sensor using a differential registration scheme and an active fiber ring laser design are presented
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