It is reported here that synchronous amplification and tuning of 30ps pulses from the short cavity dye laser pumped by copper bromide laser have been achieved by a dye amplifier-dispersion system.It can be tuned conti...It is reported here that synchronous amplification and tuning of 30ps pulses from the short cavity dye laser pumped by copper bromide laser have been achieved by a dye amplifier-dispersion system.It can be tuned continuously from 570 to 590nm to be almost Fourier-transform limited when using Rh6G solution.展开更多
The transient phenomena of output from a short cavity dye laser(SCDL)pumped by a copper bromide laser are investigated.For the first time a 30ps dye laser pulse was generated,wing the SCDL with Rh6G and DODCI dissolve...The transient phenomena of output from a short cavity dye laser(SCDL)pumped by a copper bromide laser are investigated.For the first time a 30ps dye laser pulse was generated,wing the SCDL with Rh6G and DODCI dissolved in ethanol.展开更多
Combining the configurations of collinear and small-angle noncollinear phase-matching,a mid-infrared(MIR) femtosecond optical parametric amplifier(OPA) with extended tunability is proposed and demonstrated.A tuning ra...Combining the configurations of collinear and small-angle noncollinear phase-matching,a mid-infrared(MIR) femtosecond optical parametric amplifier(OPA) with extended tunability is proposed and demonstrated.A tuning range from 2.0 μm to 4.7 μm is demonstrated by a two-stage LiNbO3-based femto-second OPA,which well exceeds the typical tuning range reported so far.MIR femtosecond pulses with energy up to 30 μJ are obtained.展开更多
A CW seeded femtosecond optical parametric amplifier, a compromise between OPG/OPA and strongly seeded OPA configurations, has been demonstrated. An independent CW Nd︰YAG laser with sub-watt power decreases the pump ...A CW seeded femtosecond optical parametric amplifier, a compromise between OPG/OPA and strongly seeded OPA configurations, has been demonstrated. An independent CW Nd︰YAG laser with sub-watt power decreases the pump threshold of the OPA and improves the stability of the output pulses considerably. Output signal energies as high as 30 μJ with pulse durations less than 250 fs near 1 μm are reported from this two-stage device.展开更多
文摘It is reported here that synchronous amplification and tuning of 30ps pulses from the short cavity dye laser pumped by copper bromide laser have been achieved by a dye amplifier-dispersion system.It can be tuned continuously from 570 to 590nm to be almost Fourier-transform limited when using Rh6G solution.
文摘The transient phenomena of output from a short cavity dye laser(SCDL)pumped by a copper bromide laser are investigated.For the first time a 30ps dye laser pulse was generated,wing the SCDL with Rh6G and DODCI dissolved in ethanol.
基金Supported by the National Natural Science Foundation of China (Grant Nos.60725418 and 60890202)
文摘Combining the configurations of collinear and small-angle noncollinear phase-matching,a mid-infrared(MIR) femtosecond optical parametric amplifier(OPA) with extended tunability is proposed and demonstrated.A tuning range from 2.0 μm to 4.7 μm is demonstrated by a two-stage LiNbO3-based femto-second OPA,which well exceeds the typical tuning range reported so far.MIR femtosecond pulses with energy up to 30 μJ are obtained.
基金This work was supported by the National Natural Science Foundation of China(Grant No.10104006)the 863 Project.
文摘A CW seeded femtosecond optical parametric amplifier, a compromise between OPG/OPA and strongly seeded OPA configurations, has been demonstrated. An independent CW Nd︰YAG laser with sub-watt power decreases the pump threshold of the OPA and improves the stability of the output pulses considerably. Output signal energies as high as 30 μJ with pulse durations less than 250 fs near 1 μm are reported from this two-stage device.
