A METHOD FOR CALCULATION OF THE EFFICIENCY OF RADIATION TRANSFER FROM A LATERAL SURFACE OF A CURVED SINGLE-MODE OPTICAL FIBER TO AN OPTICAL RECIEVER
Yu. V. Malykh, V. V. Shubin
VANT. Ser.: Mat. Mod. Fiz. Proc 2016. Вып.1. С. 69-79.
A method used to calculate parameters of the radiation transfer from a lateral surface of a curved single-mode optical fiber to an optical receiver is described. The major characteristic of the radiation output from optical fiber and the major parameter of its efficiency – the lateral radiation transfer coefficient, kt – are considered. The paper presents the developed optical circuit of radiation transfer from the bend of optical fiber and the order of calculating an optimal position of a receiving single-mode optical device. The paper describes the procedure of calculating the efficiency of matching parameters of the optical receiver and the single-mode fiber bend, as well as losses at the interfaces between various media and losses due to the absorption during the radiation transfer process. The radiation transfer efficiency results obtained with the presented computational method are compared to data of experiments. Keywords: bend in a single-mode optical fiber, transition losses, radiation transfer simulation method, a computational method for the efficiency of radiation input to fiber-optic devices.
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