Research on the Influence of the Degree of Acoustic Sealing of Acoustically Conditioned Sound Protective Cases of Fiber-Optic Interferometers on their Characteristics
А. А. Власов, A. V. Varlamov, A. N. Ashirov, Nikita Kikilich, A. S. Aleĭnik
Abstract
Abstract This article is devoted to the study of the influence of acoustic environmental impacts on the operation of fiber-optic interferometers and measuring systems that are based on them. A method for reducing this influence by using an acoustically conditioned sound-proofing case for operation in the presence of external impacts in a frequency range of 20 to 20 000 Hz is considered. A mathematical model and the results of its research are presented; the calculated dependence of the degree of reducing the acoustic sensitivity of a fiber-optic interferometer on the degree of acoustic sealing of its case is obtained. An experimental setup and a technique for experimental evaluation of the degree of acoustic sealing when studying the cases of devices were developed.