Derivation of Exponential Evanescent Field Beyond the Turning Point of Planar Optical Waveguides

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 20 >Issue 5 >Page 634 > Article

Acta Optica Sinica
Vol. 20, Issue 5, 634 (2000)

Derivation of Exponential Evanescent Field Beyond the Turning Point of Planar Optical Waveguides

[in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Derivation of Exponential Evanescent Field Beyond the Turning Point of Planar Optical Waveguides[J]. Acta Optica Sinica, 2000, 20(5): 634 Copy Citation Text

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Abstract

In the region beyond the turning point at the substrate side of graded-index planar optical waveguides,it is shown that the field solution is a rigorous exponential evanescent function.The attenuated coefficient can be characterized by an equivalent refractive index.

Keywords

exponential evanescent field.graded-index waveguides turning point

[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Derivation of Exponential Evanescent Field Beyond the Turning Point of Planar Optical Waveguides[J]. Acta Optica Sinica, 2000, 20(5): 634

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