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Proceedings Paper

Novel synthetical instructional system for principles of lasers
Author(s): Zhaohui Hu; Shulian Zhang; Huibo Jia
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Paper 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.

Paper Details

Date Published: 27 January 2009
PDF: 8 pages
Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71560A (27 January 2009); doi: 10.1117/12.806612
Show Author Affiliations
Zhaohui Hu, Tsinghua Univ. (China)
Shulian Zhang, Tsinghua Univ. (China)
Huibo Jia, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 7156:
2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments

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