A maximum of 5.5 W of cw TEM_(00) mode output at 532nm has been obtained by intracavity frequency doubling with a KTP crystal in an Nd:YVO_(4) laser doubly-pumped with 20 W diode pumping power.The optical-optical conv...A maximum of 5.5 W of cw TEM_(00) mode output at 532nm has been obtained by intracavity frequency doubling with a KTP crystal in an Nd:YVO_(4) laser doubly-pumped with 20 W diode pumping power.The optical-optical conversion efficiency is 27.5%.The influence of thermal lensing at high pumping power in the end-pumped Nd:YVO_(4) laser is discussed.The Nd:YVO_(4) laser has a good power stability of 1.6%.展开更多
We have demonstrated a diode-pumped Nd:YVO4 laser that produced 273mW cw output at 671 nm by using KTP intracavity doubling.The optical-optical efficiency of the all-solid-state red laser was 5.1%.The maximum output p...We have demonstrated a diode-pumped Nd:YVO4 laser that produced 273mW cw output at 671 nm by using KTP intracavity doubling.The optical-optical efficiency of the all-solid-state red laser was 5.1%.The maximum output power of the fundamental wave at 1342nm from Nd:YVO_(4) was 2.3W with slope-efficiency of 43%.展开更多
The lanthanum strontium aluminium tantalum oxide(LSAT)crystal is grown by means of a floating or pulling method.Its optical transmittance,refractive indices in visible and near-infrared areas and its dispersion curve ...The lanthanum strontium aluminium tantalum oxide(LSAT)crystal is grown by means of a floating or pulling method.Its optical transmittance,refractive indices in visible and near-infrared areas and its dispersion curve are reported.The transparence range of LSAT is from 0.45 to 4.2μm and its refractive index is 2.0244.展开更多
With a type-I noncritically phase-matched LiB_(3)O_(5) crystal as the intracavity frequency doubler in a diode pumped Nd:YVO_(4) laser,440mW of 671 nm light was obtained at 5.5W of incident pump power,the optical-opti...With a type-I noncritically phase-matched LiB_(3)O_(5) crystal as the intracavity frequency doubler in a diode pumped Nd:YVO_(4) laser,440mW of 671 nm light was obtained at 5.5W of incident pump power,the optical-optical conversion efficiency being 8.0%.展开更多
The bulk interaction between two phases in AgI(η-Al_(2)O_(3) orα-Fe_(2)O_(3))has been investigated by means of electrical conductivity,DTA and Mössbauer spectra.It shows that bothα→βphase transition of AgI a...The bulk interaction between two phases in AgI(η-Al_(2)O_(3) orα-Fe_(2)O_(3))has been investigated by means of electrical conductivity,DTA and Mössbauer spectra.It shows that bothα→βphase transition of AgI and Morin transition ofα-Fe_(2)O_(3) influence each other.展开更多
基金Supported by the National Advanced Materials Committee of the"863 Program"under Grant No.970311043。
文摘A maximum of 5.5 W of cw TEM_(00) mode output at 532nm has been obtained by intracavity frequency doubling with a KTP crystal in an Nd:YVO_(4) laser doubly-pumped with 20 W diode pumping power.The optical-optical conversion efficiency is 27.5%.The influence of thermal lensing at high pumping power in the end-pumped Nd:YVO_(4) laser is discussed.The Nd:YVO_(4) laser has a good power stability of 1.6%.
基金Supported by the National Advanced Materials Commit tee of the“863 Program”(863-715-001-00).
文摘We have demonstrated a diode-pumped Nd:YVO4 laser that produced 273mW cw output at 671 nm by using KTP intracavity doubling.The optical-optical efficiency of the all-solid-state red laser was 5.1%.The maximum output power of the fundamental wave at 1342nm from Nd:YVO_(4) was 2.3W with slope-efficiency of 43%.
文摘The lanthanum strontium aluminium tantalum oxide(LSAT)crystal is grown by means of a floating or pulling method.Its optical transmittance,refractive indices in visible and near-infrared areas and its dispersion curve are reported.The transparence range of LSAT is from 0.45 to 4.2μm and its refractive index is 2.0244.
基金Supported by the National Advanced Materials Commit tee of the"863 Program"under Grant No.863-715-001-00.
文摘With a type-I noncritically phase-matched LiB_(3)O_(5) crystal as the intracavity frequency doubler in a diode pumped Nd:YVO_(4) laser,440mW of 671 nm light was obtained at 5.5W of incident pump power,the optical-optical conversion efficiency being 8.0%.
文摘The bulk interaction between two phases in AgI(η-Al_(2)O_(3) orα-Fe_(2)O_(3))has been investigated by means of electrical conductivity,DTA and Mössbauer spectra.It shows that bothα→βphase transition of AgI and Morin transition ofα-Fe_(2)O_(3) influence each other.