There are multiple definitions:

1. transnasal fiberoptic laryngoscopy(English)

   • ENT, Medical imaging, Optics and vision

2. thulium fiber laser(English)

   • uses a long, thin, thulium-doped silica fiber as the active carrier of the laser. Several diodes pump energy into the fiber and excite thulium ions. The photons are emitted at a wavelength of 1940 nm and directed to the operational field via an outgoing laser fiber
   • AFP, RIRS, STTI, WTI, YAG
   • Laser technique, Urology
   • https://doi.org…345-025-05675-5
   • https://doi.org…roe.2023.06.009