Mid-infrared all-fiber light-induced thermoelastic spectroscopy sensor based on hollow-core anti-resonant fiber.

"data availability data will be made available on request. acknowledgments we are grateful for financial supports from the (grant no 62335006 62022032 62275065 and 61875047) (grant no oeiam202202"

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"We are grateful for financial supports from the 10.13039/501100001809National Natural Science Foundation of China (Grant No. 62335006, 62022032, 62275065, and 61875047), Key Laboratory of Opto-Electronic Information Acquisition and Manipulation (Anhui University), Ministry of Education (Grant No. OEIAM202202), 10.13039/501100012226Fundamental Research Funds for the Central Universities (Grant No. HIT.OCEF.2023011). Ma Yufei: Writing – review & editing, Supervision, Project administration, Conceptualization. He Ying: Methodology. Zhu Jie: Resources. Chen Weipeng: Writing – original draft, Investigation. Qiao Shunda: Validation. Zhou Sheng: Methodology. Xiao Limin: Resources. Wang Kang: Resources. Qi Lei: Validation, Funding acquisition."