Böttger Thomas, Pryde G J, Cone R L
Department of Physics, The Spectrum Lab, Montana State University, Bozeman, Montana 59717, USA.
Opt Lett. 2003 Feb 1;28(3):200-2. doi: 10.1364/ol.28.000200.
Diode laser frequency stability of 2 kHz to 680 Hz over 20 ms to 500 s has been demonstrated at 1523 nm in the technologically important communication band by use of persistent spectral holes in the inhomogeneously broadened 4I15/2 --> 4I13/2 optical absorption of Er3+:D-:CaF2. Laser frequency stabilization was realized without vibrational or acoustical isolation of either the laser or spectral hole frequency reference, providing the means for implementing a versatile, compact, stable source.
在技术上重要的通信波段1523nm处，通过利用非均匀加宽的Er3+:D:CaF2中4I15/2→4I13/2光吸收中的持久光谱孔洞，已证明在20ms至500s内二极管激光器频率稳定性为2kHz至680Hz。在不隔离激光器或光谱孔洞频率参考的振动或声学的情况下实现了激光频率稳定，这为实现一种通用、紧凑、稳定的光源提供了手段。
