Polarization characteristics of external cavity He-Ne lasers
- Received Date: 1991-05-02
- Accepted Date: 1991-07-02
- Available Online: 1992-01-25
Abstract: Experimental evidence shows the polarization characteristics of the external cavity He-Ne lasers to be determined mainly by the birefringence of the gas discharge tube.Measuring and theoretical analysis on birefringence of several typical tubes have been carried out.Single-mode linear polarization output can be obtained by means of exerting a suitable radial mechanical pressure to the window plate of the gas discharge tube.