The absorption spectrum of a new sort of crystal Nd:S-VAP was measured,which showed that Nd:S-VAP can be appropriately pumped at 583.0 and 809.0nm.By using tunable dye-laser(570.0-600.0nm)as pumping light,the performa...The absorption spectrum of a new sort of crystal Nd:S-VAP was measured,which showed that Nd:S-VAP can be appropriately pumped at 583.0 and 809.0nm.By using tunable dye-laser(570.0-600.0nm)as pumping light,the performance of low threshold and high efficiency Nd:S-VAP laser has been realized.The characteristics of the output laser,such as 1.5nm linewidth,5 ns pulse width,almost total polarity,up to 50% conversion efficiency,down to 2mJ threshold energy and so on,were presented.Meanwhile,the prospect of Nd:S-VAP crystal for low threshold,high efficiency miniature laser was discussed.展开更多
Impulse-copling coefficients,for A1 and Cu samples with finite surface area irradiated in air by 1.06μm,10ns laser pulses produced by a Nd:YAG laser,have been measured experimentally.A modified theoretical model of i...Impulse-copling coefficients,for A1 and Cu samples with finite surface area irradiated in air by 1.06μm,10ns laser pulses produced by a Nd:YAG laser,have been measured experimentally.A modified theoretical model of impulse-coupling is proposed,which significantly improves the agreement between the calculated impulse-coupling coefficient and the measured one.展开更多
By using xenon flash lamp as pumping light source and BDN dye film as passive Q-switch or KD*P crystal as active Q-switch,we have,for the first time,realized Q-switching run from 1.06μm to 0.53μm in the Nd_(x)Y_(1-x...By using xenon flash lamp as pumping light source and BDN dye film as passive Q-switch or KD*P crystal as active Q-switch,we have,for the first time,realized Q-switching run from 1.06μm to 0.53μm in the Nd_(x)Y_(1-x)Al_(3)(BO_(3))_(4)(NYAB)self-frequency doubling laser and obtained MW/cm^(2) giant pulse out-put at 0.53μm wavelength.Meanwhile,the green light output energy and pulse duration were measured under the conditions of different resonator lengths and pumpings.The experimental results are in agreement with the numerical solutions of the Q-switching coupling wave rate equations.Moreover,the ways of improving the green laser output peak power are proposed.展开更多
文摘The absorption spectrum of a new sort of crystal Nd:S-VAP was measured,which showed that Nd:S-VAP can be appropriately pumped at 583.0 and 809.0nm.By using tunable dye-laser(570.0-600.0nm)as pumping light,the performance of low threshold and high efficiency Nd:S-VAP laser has been realized.The characteristics of the output laser,such as 1.5nm linewidth,5 ns pulse width,almost total polarity,up to 50% conversion efficiency,down to 2mJ threshold energy and so on,were presented.Meanwhile,the prospect of Nd:S-VAP crystal for low threshold,high efficiency miniature laser was discussed.
文摘Impulse-copling coefficients,for A1 and Cu samples with finite surface area irradiated in air by 1.06μm,10ns laser pulses produced by a Nd:YAG laser,have been measured experimentally.A modified theoretical model of impulse-coupling is proposed,which significantly improves the agreement between the calculated impulse-coupling coefficient and the measured one.
文摘By using xenon flash lamp as pumping light source and BDN dye film as passive Q-switch or KD*P crystal as active Q-switch,we have,for the first time,realized Q-switching run from 1.06μm to 0.53μm in the Nd_(x)Y_(1-x)Al_(3)(BO_(3))_(4)(NYAB)self-frequency doubling laser and obtained MW/cm^(2) giant pulse out-put at 0.53μm wavelength.Meanwhile,the green light output energy and pulse duration were measured under the conditions of different resonator lengths and pumpings.The experimental results are in agreement with the numerical solutions of the Q-switching coupling wave rate equations.Moreover,the ways of improving the green laser output peak power are proposed.
