论文标题
高速公路超过1700公里的高速公路运输超稳定激光器
A portable sub Hertz ultra-stable laser over 1700km highway transportation
论文作者
论文摘要
我们提出了一个SubHz线宽，可便携式超高激光器，质量和体积分别为40kg和400mm*280mm*450mm，符合自动频率锁定和道路运输的要求。建立了超高激光的物理部位的动态分析模型，一阶共振频率由FEA确定，并且与实验测量的结果相吻合。为了验证便携式超强激光器的运输性能，测试了100公里的实际道路运输和60分钟的连续振动，对应于1700公里的道路运输。测试的成功表明，便携式超强激光非常健壮。同时，便携式超强激光器表明线宽分布的中值约为0.78 Hz，而在1至10 S平均时间时，分数频率不稳定性小于3E-15。该值接近2.0E-15的总噪声，包括热噪声和残留幅度调制。强大的表明，便携式超强激光可能是良好的候选者，例如光频传递和计量系统。
We present a subHz linewidth portable ultrastable laser with the mass and volume of are 40kg and 400mm*280mm*450mm, respectively, that meets the requirements of automatic frequency locking and road transportation. A dynamic analytical model of the physical parts of ultrastable laser is established, and the first order resonance frequency is determined by FEA and well agrees with the experimentally measured result. To verify the transport performance of the portable ultrastable laser, it is tested for 100 km actual road transportation and 60 min continuous vibration, corresponding to 1700 km road transportation. The success of the test demonstrated that the portable ultrastable laser was very robust. Meanwhile, the portable ultrastable lasers shows that the median of the linewidth distribution is approximately 0.78 Hz, and the fractional frequency instability is less than 3E-15 at 1 to 10 s averaging time. This value approaches the total noise of 2.0E-15 including thermal noise and residual amplitude modulation. The robust suggested that the portable ultrastable laser might be a good candidate such as optical frequency transfer and metrological systems.
