Effect of coating process on slope efficiency of twins fiber

Wei Ji; Liang Rong; Junjiang Ren; Jiaxin Qiu; Chun Xiao; Chengwu Yang

doi:10.1117/12.2564796

17 April 2020 Effect of coating process on slope efficiency of twins fiber

Wei Ji, Liang Rong, Junjiang Ren, Jiaxin Qiu, Chun Xiao, Chengwu Yang

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 1145541 (2020) https://doi.org/10.1117/12.2564796
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

In order to improve the slop efficiency of the twins fiber, the coating process of the twins fiber was studied. Two kinds of twins fiber with different coating diameters were fabricated by using different coating molds. By building a 1080 nm laser amplification system, the slop efficiency of the twins fiber with different coating diameters was tested. Slop efficiency of the twins fiber with larger coating diameter was 61.2%. Compared to the twins fiber with small diameter, of which the slop efficiency was 58.6%, it increased by 2.6%. That meant appropriate coating process of the twins fiber could effectively increase the slop efficiency. When the slop efficiency was increased, the heat generated by the twins fiber as the pump changed into signal laser would decrease. This would reduce heat management pressure of twins fiber when it was used in optical fiber laser, and make the application of twins fiber have more broad prospect in high power fiber laser.

Citation Download Citation

Wei Ji, Liang Rong, Junjiang Ren, Jiaxin Qiu, Chun Xiao, and Chengwu Yang "Effect of coating process on slope efficiency of twins fiber", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 1145541 (17 April 2020); https://doi.org/10.1117/12.2564796

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