Pump Polarization and Size Effects on the Performance of Polymer Lasers.
polymer lasers
pump polarizations
pump sizes
Journal
Polymers
ISSN: 2073-4360
Titre abrégé: Polymers (Basel)
Pays: Switzerland
ID NLM: 101545357
Informations de publication
Date de publication:
07 Dec 2019
07 Dec 2019
Historique:
received:
12
10
2019
revised:
05
12
2019
accepted:
06
12
2019
entrez:
11
12
2019
pubmed:
11
12
2019
medline:
11
12
2019
Statut:
epublish
Résumé
The parameters of a pump have a marked influence on the performance of distributed feedback polymer lasers. Our polymer laser consisted of a grating and a polymer film. We fabricated the grating using interference lithography. The polymer film was spin coated on the grating. A half-wave plate was used to change the pump polarization, and an x-y slit was used to change the pump size. The direction of grating lines were parallel to the x axis of the slit. The laser performance was modified by changing the polarizations and sizes of the pump beam. The lasing threshold increased more rapidly with decreasing pump size in the y direction than in the x direction. The influence of the pump polarization on the lasing threshold for decreasing pump size in the x direction was greater than that for decreasing pump size in the y direction. These results may be useful for the miniaturization of distributed feedback polymer lasers.
Identifiants
pubmed: 31817889
pii: polym11122031
doi: 10.3390/polym11122031
pmc: PMC6960808
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : National Natural Science Foundation of China
ID : 61822501
Organisme : Natural Science Foundation of Beijing Municipality
ID : Z180015
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