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:
Jun. 25, 2013
Filed:
Mar. 05, 2009
Kenji Taira, Kodaira, JP;
Hiroyoshi Yajima, Sagamihara, JP;
Kenji Taira, Kodaira, JP;
Hiroyoshi Yajima, Sagamihara, JP;
Olympus Corporation, Tokyo, JP;
Abstract
There are provided a photodetection device, a photodetection method, a microscope and an endoscope, which are capable of heterodyne-detecting desired light to be detected with high sensitivity and high S/N ratio, among which the photodetection device includes: a local light generation unit () generating local light having a plurality of optical frequency components in an optical frequency band of light to be detected within a given period of time; a light combining unit () combining the local light generated from the local light generation unit () and the light to be detected; and a photoelectric conversion unit () photoelectrically-converting light output from the light combining unit () and generating a beat signal of the local light and the light to be detected, such that the light to be detected is heterodyne-detected based on an output of the photoelectric conversion unit ().