TY JOUR TI ANALYSIS OF THE USE OF THE OPTICAL FIBER REFRACTION INDEX VARIATIONS AT THE LOGITUDINAL EXTENSION IN THE SENSORS KW optical fiber KW angle of refraction KW fiber extension KW experimental installation KW power of the emitted ordinary wave JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Nguyen, X.. AU Pokusaev, M.. AU Popov, G.. PY 2015 IS 2015 PB Astrakhan State Technical University