Computationally efficient signal modeling for vertical scanning interferometry
Applied Optics, Vol. 49, Issue 26, pp. 4990-4994 (2010)
http://dx.doi.org/10.1364/AO.49.004990
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Abstract
This paper presents a computationally efficient model to simulate the interference signal of vertical scanning interferometry. Existing models are either oversimplified or computationally intensive. Our model incorporates the geometric and spectral effects on vertical scanning interferometry, but removes the computationally intensive numerical integration process by modeling the light spectrum as a sum of piecewise cosine functions. Compared to direct numerical integration of the generalized model, the computational time (for an interference signal) of the proposed model is 256,800 times faster. To verify the accuracy of the proposed model, we simulate the interference signal of a phosphor-based LED, and verify our result with experimental data and a computationally intensive counterpart. Other than reduced computational time, the elementary form of an interference signal derived in this paper will facilitate future work.
© 2010 Optical Society of America
OCIS Codes
(000.3860) General : Mathematical methods in physics
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(180.3170) Microscopy : Interference microscopy
(260.3160) Physical optics : Interference
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: June 22, 2010
Revised Manuscript: August 9, 2010
Manuscript Accepted: August 10, 2010
Published: September 8, 2010
Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics
Citation
Wee Keat Chong, Xiang Li, and Sardha Wijesoma, "Computationally efficient signal modeling for vertical scanning interferometry," Appl. Opt. 49, 4990-4994 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-26-4990
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