Abstract

A wedged plate beam splitter concept that has no external ghost reflection is presented. Theory, design equation, and laboratory test results are discussed.

© 1992 Optical Society of America

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References

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  1. W. S. Heaps, “Beam splitters for dye laser pumping,” Appl. Opt. 19, 3592–3594 (1980).
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1980 (1)

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Figures (4)

Fig. 1
Fig. 1

Ghostless wedge beam splitter orientation: TIR, total internal reflection.

Fig. 2
Fig. 2

Compensating for the ghostless beam splitter wedge.

Fig. 3
Fig. 3

Experimental test setup.

Fig. 4
Fig. 4

Ghostless Mach–Zehnder interferometer.

Equations (2)

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arcsin ( 1 n sin θ i ) + 2 α arcsin ( 1 n ) .
α arcsin ( 1 n ) - arcsin ( 1 n sin θ i ) 2 = 7.2 ° .

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