Optical Design and Engineering

Tolerance analysis of misalignment in an optical system using Shack–Hartmann wavefront sensor: experimental study

[+] Author Affiliations
Venkataramana Kalikivayi

Elite School of Optometry, Unit of Medical Research Foundation, No. 8, GST Road, St.Thomas Mount, Chennai, Tamil Nadu 600016, India

SASTRA University, Department of Mathematics, Thirumalaisamudram, Thanjavur, Tamil Nadu 613401, India

Indian Institute of Technology Madras, Applied Optics Laboratory, Department of Physics, Sardar Patel Road, Adyar, Chennai, Tamil Nadu 600036, India

Valiyaparambil Chacko Pretheesh Kumar, Angarai Ramanathan Ganesan

Indian Institute of Technology Madras, Applied Optics Laboratory, Department of Physics, Sardar Patel Road, Adyar, Chennai, Tamil Nadu 600036, India

Krithivasan Kannan

SASTRA University, Department of Mathematics, Thirumalaisamudram, Thanjavur, Tamil Nadu 613401, India

Opt. Eng. 54(7), 075104 (Jul 23, 2015). doi:10.1117/1.OE.54.7.075104
History: Received November 30, 2014; Accepted June 23, 2015
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Abstract.  The wavefront aberrations induced by misalignments due to decentration and tilt of an optical component in an optical measurement system are presented. A Shack–Hartmann wavefront sensor is used to measure various aberrations caused due to the shifting of the axis and tilt of a lens in the path of an optical wavefront. One of the lenses in an optical system is decentered in the transverse direction and is tilted by using a rotational stage. For each step, wavefront data have been taken and data were analyzed up to the fourth order consisting of 14 Zernike terms along with peak-to-valley and root mean square values. Theoretical simulations using ray tracing have been carried out and compared with experimental values. The results are presented along with the discussion on tolerance limits for both decentration and tilt.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Venkataramana Kalikivayi ; Valiyaparambil Chacko Pretheesh Kumar ; Krithivasan Kannan and Angarai Ramanathan Ganesan
"Tolerance analysis of misalignment in an optical system using Shack–Hartmann wavefront sensor: experimental study", Opt. Eng. 54(7), 075104 (Jul 23, 2015). ; http://dx.doi.org/10.1117/1.OE.54.7.075104


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