FIELD: optics. SUBSTANCE: arrangement device of optical amplifier has case that includes holder of optical fiber and assemblage of gripping aids. Holder of optical fiber is positioned around central hole. It includes numerous protrusions to prevent disconnection of optical fibers. Gripping aid holds and fixes optical elements of optical amplifier. EFFECT: safeguarding of optical elements and optical fibers of optical amplifier against destruction in case of movement and vibration. 15 cl, 9 dwg
