论文信息 - Optical measurements of angle and axis of rotation.

Optical measurements of angle and axis of rotation.

A carousel interferometer is designed to find the unknown angle and axis of rotation simultaneously. A set consisting of a compensator glass plate and a right-angle prism is placed in each of the two arms of the interferometer while located at the same rotational stage. When rotation takes place individual and relative optical path differences are generated in the beams that contribute toward finding out the angle and axis of rotation. Computer simulation shows that error remains less than a nanometer for a 1 m length of unknown radius and rotation range of +/-15 degrees .

Masroor Ikram | M. Ikram | G. Hussain | Ghazanfar Hussain

[1] D Malacara,et al. Interferometric measurement of angles. , 1970, Applied optics.

[2] Takamasa Suzuki,et al. Two-dimensional small-rotation-angle measurement using an imaging method , 2006 .

[3] Yong Xiang Li. Oscillatory Periodic Solutions of Nonlinear Second Order Ordinary Differential Equations , 2005 .

[4] P. Giblin,et al. Recovery of an unknown axis of rotation from the profiles of a rotating surface , 1994 .

[5] Takamasa Suzuki,et al. Small-rotation-angle measurement using an imaging method , 2001 .

[6] M. Ikram,et al. Optimization of linearity by use of a glass plate in carousel interferometers. , 2004, Optics letters.

[7] G D Chapman. Interferometric angular measurement. , 1974, Applied optics.

[8] O Kamada,et al. Angle measurement based on the internal-reflection effect: a new method. , 1992, Applied optics.

[9] E. Stijns,et al. New optical method for measuring small-angle rotations. , 1988, Applied optics.

[10] E. Stijns,et al. Improving the linearity of the Michelson interferometric angular measurement by a parameter compensation method. , 1993, Applied optics.

[11] T Suzuki,et al. Measurement of small rotation angles by using a parallel interference pattern. , 1995, Applied optics.

[12] M. Ikram,et al. Michelson interferometer for precision angle measurement. , 1999, Applied optics.