Research On Analog Controller Of Fabry-Perot Etalon

Fabry-Perot etalon has the advantages of high transmittance,high spectral resolution,adjustable central wavelength,fast response,and simple structure.It has been widely used in the field of astronomy very early.Especially for solar physics,there are many dynamic phenomena on the sun that require observations with high time,spatial,spectral resolution.Fabry-Perot based 2D imaging spectrograph and 2D magnetograph can serve these needs.As an important part of them,the full study of characteristics of Fabry-Perot is helpful for better observation of solar activity,and it is of great significance for the use and development of Fabry-Perot itself.In addition to sophisticated optical processing technology,precise control is the guarantee of Fabry-Perot's excellent performance.This paper studies the properties of Fabry-Perot controller from the angle of analog circuit by traditional means.Based on the optical principle of F-P,this paper derives the relevant parameters of the control,analyzes the relevant requirements of the Controller and makes the prototype circuit,and finally combines the experimental results with the theoretical analysis to get the key technology and difficulties of the development of Fabry-Perot controller.These results are the basis for further study of the Fabry-Perot controller and also provide a reference for better use of existing F-P etalons.