Development of a UV laser-induced fluorescence lidar for monitoring blue-green algae in Lake Suwa

作者:Saito Yasunori*; Takano Kengo; Kobayashi Fumitoshi; Kobayashi Kazuki; Park Ho Dong
来源:Applied Optics, 2014, 53(30): 7030-7036.
DOI:10.1364/AO.53.007030

摘要

We developed a UV (355 nm) laser-induced fluorescence (LIF) lidar for monitoring the real-time status of blue-green algae. Since the fluorescence spectrum of blue-green algae excited by 355 nm showed the specific fluorescence at 650 nm, the lidar was designed to be able to detect the 650 nm fluorescence as a surveillance method for the algae. The usefulness was confirmed by observation at Lake Suwa over four years (2005-2008). The detection limit of the LIF lidar was 16.65 mg/L for the blue-green algae, which is the range of concentrations in the safe level set by the World Health Organization.

  • 出版日期2014-10-20