Method for measuring polarization dependent loss and...

Optics: measuring and testing – For optical fiber or waveguide inspection

Reexamination Certificate

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Reexamination Certificate

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06888624

ABSTRACT:
This invention provides a method of obtaining accurate measurements of polarization dependent loss and insertion loss during the tests aiming at measuring the polarization properties of optical components. This is achieved by taking into account every polarization disturbance in the line between generation of known states of polarization and the device under test. The method involves computing within a desired range of wavelengths either the transfer matrix of each polarization perturbing element or of all polarization perturbing elements as a whole, and compensating for errors introduced by these polarization perturbing elements.

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patent: 5371597 (1994-12-01), Favin et al.
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patent: 6043922 (2000-03-01), Koga et al.
patent: 6147757 (2000-11-01), Shen et al.
patent: 6493474 (2002-12-01), Yao
patent: 0536538 (1993-04-01), None
Yihong Zhu et al.; A Comparison of Wavelength Dependent . . . ; Dec. 2000; pp. 1231-1239; IEEE Transactions on Instrumentation . . .

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