Newlight's Nd:GdVO4 Features
Low lasing threshold and high slope efficiency
Large stimulated emission cross-section at lasing wavelength
High absorption over a wide pumping wavelength bandwidth
Optically uniaxial and large birefringence emitting polarized laser
Large thermal conductivity, ~ twice of that of Nd:YVO4
Structure and Basic Physical Properties
Crystal Structure
Zircon tetragonal, a=b=7.212, c=6.350
Space Group
Tetragonal I41/amd
Density
Optical Properties
Lasing Transition
4F3/2 - 4I11/2
Lasing Wavelength
1062.9 nm, 1340.0nm
Emission Cross Section (E//c at 1064 nm)
7.6x10-19 cm2
Absorption Cross Section (E//c at 808 nm)
4.9x10-19 cm2
Absorption Linewidth
3 nm
Relaxation Time of Terminal Lasing Level
100 µs
Absorption Coefficient (1% Nd)
57 cm-1 with E//c @ 808 nm
Index of Refraction
Wavelength(nm)
630
850
1064
1300
1550
no
2.01685
1.99490
1.98535
1.97889
1.97410
ne
2.25431
2.21482
2.19813
2.18742
2.18009
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