Optics: measuring and testing – Of light reflection
Reexamination Certificate
2007-09-28
2010-11-09
Stafira, Michael P (Department: 2886)
Optics: measuring and testing
Of light reflection
Reexamination Certificate
active
07830521
ABSTRACT:
Provided are a detection apparatus, a detection method and an optically transparent member, which can detect a decrease in a precision. A convolution is performed by a convolution portion80contained in an image processing portion38, to acquire the distribution information indicating the light intensity distribution of a light beam, which is totally reflected at the interface and which is incident at a plurality of angles to an dielectric block52so as to be totally reflected at the interface of the dielectric block52. A spatial frequency resolution is performed on the light intensity distribution indicated by the distribution information acquired, by a detection precision evaluating portion86contained in the image processing portion38, to thereby derive the light intensity distribution of each spatial frequency of the light beam. The precision is detected by comparing the light intensity distribution derived, with a threshold value predetermined for each spatial frequency.
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Hakamata Masashi
Kimura Toshihito
Shimizu Hitoshi
Yamamoto Hiroaki
Fujifilm Corporation
Stafira Michael P
Sughrue & Mion, PLLC
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