公开(公告)号：US20140185045A1

公开(公告)日：2014-07-03

申请号：US13732100

申请日：2012-12-31

Applicant: Xiaofeng Han ,  Tim Butrie ,  David Coult

Inventor： Xiaofeng Han ,  Tim Butrie ,  David Coult

IPC: G01J1/16 ,  G01B11/27

CPC classification number: H01S5/0687 ,  H01S5/06837

Abstract: Consistent with the present disclosure, an apparatus for producing a control signal for a laser source is provided, comprising an etalon configured to receive light from the laser source and control circuitry that provides the control signal, wherein the control signal is indicative of a comparison of (a) a difference between a forward transmission signal of the etalon and a backward reflection signal of the etalon and (b) the light received by the etalon from the laser source. Alternatively, the control signal is indicative of a comparison of (a) a difference between a forward transmission signal of the etalon and a backward reflection signal of the etalon and (b) a combination of the forward transmission signal of the etalon and the backward reflection signal of the etalon. Also consistent with the present disclosure, a method of aligning an etalon-based wavelength locking apparatus is provided, wherein the etalon of the apparatus is aligned with an optical axis along a direction of propagation of the output of the laser source by monitoring the signals indicative of the forward transmission signal and the backward reflection signal of the etalon.

Abstract translation: 根据本公开，提供了一种用于产生用于激光源的控制信号的装置，包括被配置为接收来自激光源的光的标准具和提供控制信号的控制电路，其中控制信号表示比较 （a）标准具的正向传输信号和标准具的反射信号之间的差异，以及（b）从标准具接收的来自激光源的光。 或者，控制信号表示（a）标准具的正向传输信号与标准具的反向反射信号之间的差异与（b）标准具的正向传输信号与反向反射的组合的比较 标准信号。 本发明也符合本公开内容，提供了一种对准基于标准具的波长锁定装置的方法，其中，通过监测指示信号的信号，装置的标准与沿着激光源的输出传播方向的光轴对齐 的标准具的正向传输信号和反向反射信号。