Distributed optical fiber with high and low temperature resistance and high mechanical strength

• Main Authors: CHEN WEI, XIAO MENG, HE JIANCHENG, CHEN JUNJIE, LIANG ZHISONG, LI YEZHENG, HU YONGJIONG, LIU ZHONGXIANG, GUAN DASHU, ZHOU QIUJUAN
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The utility model discloses a distributed optical fiber resistant to high and low temperatures and high mechanical strength, which comprises a bare optical fiber, a high and low temperature resistant layer, a thermal shock resistant layer, a tensile structure and an oxygen-isolating high-temperature-resistant jacket, the high and low temperature resistant layer comprises an insulating layer and an anti-seismic and anti-corrosion filling layer, the bare optical fiber is coated inside the insulating layer, and the insulating layer is coated inside the anti-seismic and anti-corrosion filling layer. The insulating layer is arranged inside the thermal shock resistant layer, an annular gap exists between the insulating layer and the thermal shock resistant layer, the annular gap is filled with the anti-seismic and anti-corrosion filling layer, and the outer wall of the thermal shock resistant layer is coated with the oxygen-isolating and high-temperature-resistant outer sleeve. And the tensile structures are unifor