Optics: measuring and testing – By light interference – Using fiber or waveguide interferometer
Reexamination Certificate
2006-09-21
2008-10-21
Lyons, Michael A (Department: 2877)
Optics: measuring and testing
By light interference
Using fiber or waveguide interferometer
Reexamination Certificate
active
07440111
ABSTRACT:
A confocal microscope apparatus capable of rapidly obtaining a tomographic image using OCT measuring. The confocal microscope apparatus for obtaining a tomographic image of a measuring object includes a light modulating section that modulates the frequency of the reference light. The light modulating section includes: a diffraction grating element for dispersing the reference light; a collimator lens for collimating the reference light dispersed by the diffraction grating element; and a reflection mirror for reflecting the reference light transmitted through the collimator lens back to the collimator lens and inputting to the diffraction grating element. The reflection mirror is pivoted on a position which is offset from the optical axis of the collimator lens.
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Rollins et al. Optics Express, Sep. 14, 1998, pp. 219-229, vol. 3, No. 6.
Birch & Stewart Kolasch & Birch, LLP
FUJINON Corporation
Lyons Michael A
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