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A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by creating a periodic variation in the refractive index of the fiber core, which generates a wavelength-specific dielectric mirror .
The concept of addressed fiber Bragg structures was introduced in 2018 by Airat Sakhabutdinov [1] and developed in collaboration with his scientific adviser, Oleg Morozov. . The idea emerged from the earlier works of Morozov and his colleagues, [2] [3] where the double-frequency optical radiation from an electro-optic modulator was used for the definition of the FBG central wavelength based on ...
Time-resolved simulation of a pulse reflecting from a Bragg mirror. A distributed Bragg reflector (DBR) is a reflector used in waveguides, such as optical fibers.It is a structure formed from multiple layers of alternating materials with different refractive index, or by periodic variation of some characteristic (such as height) of a dielectric waveguide, resulting in periodic variation in the ...
The HNRCA is one of the largest research centers in the world studying nutrition and physical activity in healthy and active aging and the prevention of age-related disease. [5] It has made significant contributions to U.S. and international nutritional and physical activity recommendations, public policy, and clinical healthcare. [6]
The Journal of Nutrition, Health and Aging is a monthly peer-reviewed medical journal covering nutrition science as it relates to gerontology. It was established in 1997 and is published by Springer Science+Business Media. The editor-in-chief is John Morley. According to the Journal Citation Reports, the journal has a 2021 impact factor of 5. ...
The Journal of Nutrition (or shortened as JN or J Nutr) is a peer-reviewed scientific journal published by the American Society for Nutrition. [1] Established in 1928, the journal publishes experimental research on human, animal, cellular and molecular nutrition; biographies and assessments on nutritional researchers; and commentaries on controversial issues in the field.
Aging is a bimonthly peer-reviewed open access bio-medical journal covering research on all aspects of gerontology. The journal was established in 2009 and is published by Impact Journals. The editors-in-chief are Jan Vijg, David Andrew Sinclair, Vera Gorbunova, Judith Campisi, and Mikhail V. Blagosklonny.
Food & Nutrition Research is an annual peer-reviewed open access medical journal covering nutrition and food science. It was established in 1996 as Näringsforskning , and was renamed the Scandinavian Journal of Nutrition in 2002.