| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spectroscopic assembly for stabilizing frequency of an optical beam. <P>SOLUTION: A spectroscopic assembly 7 includes a thermal isolation platform 400, and a gas reference cell 40 encasing a gas 41 and attached to the thermal isolation platform. The gas reference cell has at least one optically-transparent window 415, and at least one heater configured to raise a temperature of the encased gas. When a beam splitter 30 is configured to reflect a portion of an input optical beam emitted by a laser 10 to be incident on the at least one optically-transparent window of the gas reference cell, the reflected portion of the input optical beam 20 is twice transmitted through the gas. When a detector 350 is configured to receive the optical beam twice transmitted through the gas, a feedback signal 50 is provided to the laser to stabilize the laser. <P>COPYRIGHT: (C)2013,JPO&INPIT |
