摘要
将准相位匹配光学参量振荡器(QPM-OPO)置于激光二极管(LD)端面泵浦的声光调Q1064nm-Nd:YVO4激光器谐振腔之内,获得了信号光单谐振的内腔光参量输出。在声光Q开关重复频率为25kHz的条件下,内腔参量振荡的阈值仅为0.9W(LD功率)。在6WLD泵浦功率下,获得了350mW的信号光输出。通过在120℃~250℃范围内改变PPLN晶体的温度,信号光输出实现了在(1493~1538)nm波段的调谐。
A quasi-phase-matched intracavity singly resonant optical parametric oscillator (QPM-IOPO) internal to a diode-end-pumped acousto-optically (AO) Q-switched 1 064 nm Nd:YVO4laser is demonstrated. The IOPO threshold is 0.9 W ( diode laser power) at a Q-switch repetition rate of 25 kHz. At an incident diode pump power of 6 W, an average signal output power of 350 mW is obtained. By varying the PPLN crystal temperature from ( 120 ~ 250)℃, the signal wavelength can be tuned in the range (1 493 ~ 1 538 ) nm.
出处
《科学技术与工程》
2007年第16期4009-4012,共4页
Science Technology and Engineering
基金
国家自然科学基金(10474071
60671036)
博士点基金(20040056010)资助
关键词
准相位匹配
内腔光学参量振荡器
周期极化铌酸锂
温度调谐
quasi-phase-matching(QPM)
intracavity optical parametric oscillator ( IOPO )
periodicallypoled lithium niobate(PPLN)
temperate tuning