Radiation-balanced silica fiber laser
In optically pumped lasers, heat generated by the quantum defect causes detrimental
fluctuations in the output mode, frequency, and power. Common heat-mitigation techniques …
fluctuations in the output mode, frequency, and power. Common heat-mitigation techniques …
Potential of ytterbium doped silica glass for solid-state optical refrigeration to below 200 K
We report on the optical refrigeration of ytterbium doped silica glass by> 40 K starting at
room temperature, which represents more than a two-fold improvement over the previous …
room temperature, which represents more than a two-fold improvement over the previous …
Yttrium and rare-earth modified lithium orthoborates: glass formation and vibrational activity
Glass formation and structure-property relations were explored in highly modified borate
glasses containing high loads of rare-earth elements, whose crystalline analogues display a …
glasses containing high loads of rare-earth elements, whose crystalline analogues display a …
Laser cooling ytterbium doped silica by 67 K from ambient temperature
Laser cooling of a 5? cm long, 1? mm diameter ytterbium doped (6.56× 10^ 25 ions/m^ 3)
silica rod by 67? K from room temperature was achieved. For the pump source, a 100? W …
silica rod by 67? K from room temperature was achieved. For the pump source, a 100? W …
Laser cooling of a Yb doped silica fiber by 18 Kelvin from room temperature
An ytterbium doped silica optical fiber with a core diameter of 900µm has been cooled by
18.4 K below ambient temperature by pumping with 20 W of 1035 nm light in vacuum. In air …
18.4 K below ambient temperature by pumping with 20 W of 1035 nm light in vacuum. In air …
Impact of site-selective spectroscopy on laser cooling parameter characterization
From laser design to optical refrigeration, experimentally measured fluorescence spectra are
often utilized to obtain input parameters for predictive models. However, in materials that …
often utilized to obtain input parameters for predictive models. However, in materials that …
Anti-Stokes fluorescence cooling of nanoparticle-doped silica fibers
The first observation of cooling by anti-Stokes pumping in nanoparticle-doped silica fibers is
reported. Four Yb-doped fibers fabricated using conventional modified chemical vapor …
reported. Four Yb-doped fibers fabricated using conventional modified chemical vapor …
[HTML][HTML] Reduced quantum defect in a Yb-doped fiber laser by balanced dual-wavelength excitation
Two color optical pumping, both above (anti-Stokes pump or ASP) and below (Stokes pump)
the lasing wavelength, was adopted to reduce the net quantum defect (QD) in a solid-state …
the lasing wavelength, was adopted to reduce the net quantum defect (QD) in a solid-state …
Anti-stokes cooling in highly ytterbium doped phase separated aluminium-yttrium oxide glass by 4 k
Silica glass is a strong candidate in the development of radiation balanced fiber lasers and
amplifiers due to its properties such as high stability, high mechanical robustness and …
amplifiers due to its properties such as high stability, high mechanical robustness and …
Laser cooling experiments to measure the quantum efficiency of Yb-doped silica fibers
A detailed investigation into the wavelength-dependent cooling efficiencies of two ultra-pure
large core diameter ytterbium-doped silica fibers is carried out by means of the laser …
large core diameter ytterbium-doped silica fibers is carried out by means of the laser …