1. A compact and high sensitive photometer based on axial multi-reflection inside metal capillary: Application to detecting nitrite of nanomolar concentration. (November 2021) Authors: Li, Xuejing; Huang, Hui; Cai, Weicheng; Bai, Min; Zhao, Jian; Liu, Pengbo; Sun, Changkai; Jin, Zengbin Journal: Optics and lasers in engineering Issue: Volume 146(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗