TY  - RPRT
TI  - Single-frequency thulium-doped distributed-feedback fiber laser.
AU  - Søren Agger
AU  - Jørn Hedegaard Povlsen
AU  - Poul Varming
PY  - 2004
DO  - 10.1364/ol.29.001503
UR  - https://pubmed.ncbi.nlm.nih.gov/15259727/
ID  - 15259727
ER  -