| Original Articles |
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Orthogonally Linearly Polarized Dual Frequency Nd:YAG Lasers with Tunable Frequency Difference and Its Application in Precision Angle Measurement |
| TAN Yi-Dong;ZHANG Shu-Lian |
| State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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TAN Yi-Dong, ZHANG Shu-Lian 2007 Chin. Phys. Lett. 24 2590-2593 |
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Abstract The orthogonally linearly polarized dual frequency Nd:YAG lasers with two quarter wave plates in laser resonator are proposed. The intra-cavity variable birefringence, which is caused by relative rotation of these two wave plates in laser inner cavity, results in the frequency difference of the dual frequency laser also changeable. The theory model based on the Jones matrix is presented, as well as experimental results. The potential application of this phenomenon in precision roll-angle measurement is also discussed.
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| Keywords:
42.55.Xi
42.55.Rz
42.55.Lc
06.30.Bp
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Received: 02 February 2007
Published: 16 August 2007
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