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Optical Elements for Elimination of On-Axis Visible Transmission

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Abstract

We have analyzed the transmitted spectra of optical elements including the phase gratings and Fabry-Perot (FP) and found design parameters of these elements for the elimination/reduction of on-axis transmission of broadband of visible light. In this paper, we will present a detailed theoretical analysis on the design and performance of the optical elements that will greatly reduce the transmittance of the beam in its original path of propagation. We will give the numerical computation results derived from the formula showing the spectral dependence of the direct intensity transmittance for different optical elements.

© 1998 Optical Society of America

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