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- Title
Broadband pulsed difference frequency generation laser source centered 3326 nm based on ring fiber lasers.
- Authors
Guangwei Chen; Wenlei Li
- Abstract
A broadband pulsed mid-infrared difference frequency generation (DFG) laser source based on MgO-doped congruent LiNbO3 bulk is experimentally demonstrated, which employs a homemade pulsed ytterbium-doped ring fiber laser and a continuous wave erbium-doped ring fiber laser to act as seed sources. The experimental results indicate that the perfect phase match crystal temperature is about 74:5°C. The maximum spectrum bandwidth of idler is about 60 nm with suitable polarization states of fundamental lights. The central wavelength of idlers varies from 3293 nm to 3333 nm over the crystal temperature ranges of 70.4-76°C. A jump of central wavelength exists around crystal temperature of 72°C with variation of about 30 nm. The conversion efficiency of DFG can be tuned with the crystal temperature and polarization states of fundamental lights.
- Subjects
LASER beams; SPECTRUM analysis; BANDWIDTHS; YTTERBIUM; FIBER lasers; MAGNESIUM oxide; DOPED semiconductors
- Publication
Modern Physics Letters B, 2018, Vol 32, Issue 8, p1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984918500902