Jones matrix analysis of optical path in virtual coordinate measurement by laser tracking

Yongdong Liu; Jia Wang; Jinwen Liang

doi:10.1117/12.366346

25 October 1999 Jones matrix analysis of optical path in virtual coordinate measurement by laser tracking

Yongdong Liu, Jia Wang, Jinwen Liang

Proceedings Volume 3754, Polarization: Measurement, Analysis, and Remote Sensing II; (1999) https://doi.org/10.1117/12.366346
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Laser tracking and measuring system is made for real-time measurement of dynamic target in industry field and it can be made up into computer integral system with both measuring and controlling capacity. The system has no objective reference coordinate system, during the measurement, its coordinate frame is not fixed, so we call this coordinate system as Virtual Coordinate System. Laser tracking system involves interdisciplinary knowledge, such as laser dynamic aiming technique, laser interferometry, optical system and precision mechanism design, motor controller design and modern numerical computation. This paper mainly focuses on the otpical system analysis and design. The system, which can track and measure the dynamic target, uses the dual- frequency laser interferometer as the light source and length-measured sensor simultaneously. The interferometer produces linear-polarized orthogonal beam with two different frequencies. When the beam passes through the optical system, its polarization and amplitude will be both changed. This paper presents vector analysis method for the optical tracking systems and analyzes the polarization effect of the optical system on the light beam incident in any direction by Jones matrix analysis. On the basis of analytical and experimental results, the optical scheme is optimized in order to improve the tracking and measuring performance of the whole system.

Citation Download Citation

Yongdong Liu, Jia Wang, and Jinwen Liang "Jones matrix analysis of optical path in virtual coordinate measurement by laser tracking", Proc. SPIE 3754, Polarization: Measurement, Analysis, and Remote Sensing II, (25 October 1999); https://doi.org/10.1117/12.366346

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