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设计了一种基于LabVIEW控制的自动宽调谐的连续单频钛宝石激光器,通过波长计测量激光器输出波长,用LabVIEW程序读取该波长值并产生控制信号,反馈控制腔内调谐元件双折射滤波片(BRF)的角度,实现对激光器输出波长的调谐。此外,基于波长计测量的系列波长值,构建了BRF角度与激光器输出波长值的一一对应关系,由LabVIEW程序根据不同的波长设定值控制BRF旋转不同的角度,使钛宝石激光器不需要波长计也能实现自动调谐,简化了激光器系统。对实验设计的钛宝石激光器进行自动调谐,测量得到其调谐范围为110nm。
A self-tuned continuous monolithic Ti: sapphire laser controlled by LabVIEW is designed. The output wavelength of the laser is measured by a wavelength meter. The wavelength value is read by the LabVIEW program and a control signal is generated. The birefringent filter (BRF) point of view, to achieve the laser output wavelength tuning. In addition, based on the wavelength values measured by the wavelength meter, a one-to-one correspondence between the BRF angle and the laser output wavelength value is established. The LabVIEW program controls different angles of the BRF rotation according to different wavelength settings to make the sapphire laser unnecessary to the wavelength The meter also automates tuning and simplifies the laser system. The experimental design of titanium sapphire laser automatic tuning, measured the tuning range of 110nm.