Apparent inequivalence between the in- and outcoupling angles of prism coupled IO waveguides

D. S. Walker; S. Putegnat; S. S. Saavedra; W. M. Reichert

doi:10.1016/0030-4018(90)90108-6

Apparent inequivalence between the in- and outcoupling angles of prism coupled IO waveguides

D. S. Walker, S. Putegnat, S. S. Saavedra, W. M. Reichert

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The incoupling and outcoupling angles of a thin film waveguide were determined using the conventional prism coupling configuration. The consistent intermodal spacing observed between incoupling and outcoupling angles indicated that these angles contained equivalent information on the waveguide structure. However, a geometry mismatch between the rotation goniometer and the triangular coupling prisms produced a systematic error in the determination of the outcoupling angles that increased with decreasing mode number.

Original language	English (US)
Pages (from-to)	128-132
Number of pages	5
Journal	Optics Communications
Volume	78
Issue number	2
DOIs	https://doi.org/10.1016/0030-4018(90)90108-6
State	Published - Aug 15 1990

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/0030-4018(90)90108-6

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title = "Apparent inequivalence between the in- and outcoupling angles of prism coupled IO waveguides",

abstract = "The incoupling and outcoupling angles of a thin film waveguide were determined using the conventional prism coupling configuration. The consistent intermodal spacing observed between incoupling and outcoupling angles indicated that these angles contained equivalent information on the waveguide structure. However, a geometry mismatch between the rotation goniometer and the triangular coupling prisms produced a systematic error in the determination of the outcoupling angles that increased with decreasing mode number.",

author = "Walker, {D. S.} and S. Putegnat and Saavedra, {S. S.} and Reichert, {W. M.}",

note = "Funding Information: This work was funded by NIH grant HL32132. a Funding Information: biomedical research grant fn)m the Whitaker Foundation, and b+~ the Duke/NSF ERC in Emerging (.'ardiox ascutar Technologies.",

year = "1990",

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doi = "10.1016/0030-4018(90)90108-6",

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T1 - Apparent inequivalence between the in- and outcoupling angles of prism coupled IO waveguides

AU - Walker, D. S.

AU - Putegnat, S.

AU - Saavedra, S. S.

AU - Reichert, W. M.

N1 - Funding Information: This work was funded by NIH grant HL32132. a Funding Information: biomedical research grant fn)m the Whitaker Foundation, and b+~ the Duke/NSF ERC in Emerging (.'ardiox ascutar Technologies.

PY - 1990/8/15

Y1 - 1990/8/15

N2 - The incoupling and outcoupling angles of a thin film waveguide were determined using the conventional prism coupling configuration. The consistent intermodal spacing observed between incoupling and outcoupling angles indicated that these angles contained equivalent information on the waveguide structure. However, a geometry mismatch between the rotation goniometer and the triangular coupling prisms produced a systematic error in the determination of the outcoupling angles that increased with decreasing mode number.

AB - The incoupling and outcoupling angles of a thin film waveguide were determined using the conventional prism coupling configuration. The consistent intermodal spacing observed between incoupling and outcoupling angles indicated that these angles contained equivalent information on the waveguide structure. However, a geometry mismatch between the rotation goniometer and the triangular coupling prisms produced a systematic error in the determination of the outcoupling angles that increased with decreasing mode number.

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JO - Optics Communications

JF - Optics Communications

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ER -

Apparent inequivalence between the in- and outcoupling angles of prism coupled IO waveguides

Abstract

ASJC Scopus subject areas

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