The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 2013
Filed:
Dec. 23, 2009
Masaaki Hirano, Yokohama, JP;
Toshiki Taru, Yokohama, JP;
Masaaki Hirano, Yokohama, JP;
Toshiki Taru, Yokohama, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
The chromatic dispersion of an optical component is measured with high accuracy using a simple set-up, which includes a pump light source, a probe light source, and a measuring means. Pump light having a wavelength λand probe light having a wavelength λis propagated through an optical component, with the wavelength λbeing apart from the wavelength λby a given frequency. The generation efficiency of the idler light with respect to the wavelength λis calculated by measuring the power of idler light having a wavelength λoutput from the optical component, and by seeking the pump light wavelength for making the generation efficiency a local extreme value, the chromatic dispersion of the optical component is calculated from the result of calculation of phase mismatch among the pump light wavelength having such wavelength as sought, the corresponding probe light wavelength, and the corresponding the idler light wavelength.