Novel synthetical instructional system for principles of lasers

Zhaohui Hu; Shulian Zhang; Huibo Jia

doi:10.1117/12.806612

26 January 2009 Novel synthetical instructional system for principles of lasers

Zhaohui Hu, Shulian Zhang, Huibo Jia

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 71560A (2009) https://doi.org/10.1117/12.806612
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

For the general existing experimental systems of laser teaching, it is hard to generate lots of transverse modes and to show the process of mode competition. In the paper a novel synthetical instructional system based on a cat's eye cavity He-Ne laser is proposed. Lots of transverse modes from fundamental to high-order modes can be generated by adjusting the cat's eye. A quartz crystal or a stress plate in intra-cavity can split one-frequency laser into dual-frequency laser. Based on the frequency splitting, the dynamic process of mode competition is observed. Almost all the important concepts in lasers are demonstrated experimentally. The instructional system provides a powerful aid for laser teaching. On the other hand the real frequency splitting and the polarization direction of the laser output versus the rotation angle of crystal are measured and discussed, and their values at very large rotation angle are forecasted.

Citation Download Citation

Zhaohui Hu, Shulian Zhang, and Huibo Jia "Novel synthetical instructional system for principles of lasers", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71560A (26 January 2009); https://doi.org/10.1117/12.806612

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