4 January 2008 A sample test on the tilt angle of object light illumination in digital holographic 3D surface shape detection
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Proceedings Volume 6832, Holography and Diffractive Optics III; 683212 (2008); doi: 10.1117/12.756096
Event: Photonics Asia 2007, 2007, Beijing, China
Abstract
This paper discussed the measurement error of digital holographic 3D surface shape caused by imprecise measurement of the incident angle and the tilt angle of object light illumination in theory. The result showed that the error caused by the tilt angle is much greater than the incident angle. Then a method to accurately calculate the object light's tilt angle by detecting the interference field of reference plane is proposed based on the above discussion. Finally, the feasibility of the method is proved through a 3D surface shape detection experiment.
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Zu-jie Peng, Qing-he Song, Jun-chang Li, "A sample test on the tilt angle of object light illumination in digital holographic 3D surface shape detection", Proc. SPIE 6832, Holography and Diffractive Optics III, 683212 (4 January 2008); doi: 10.1117/12.756096; https://doi.org/10.1117/12.756096
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KEYWORDS
Digital holography

3D metrology

Holography

Charge-coupled devices

Lithium

Mirrors

Collimation

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