OBSERVATION APPARATUS AND OBSERVATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an observation apparatus and observation method allowing improvement in the resolution and sharpness of information about a boundary at which the medium in the interior of an observed object changes, obtained by observation.

SOLUTION: An output unit 11 emits coherent irradiation light 31a that induces a dipole moment in an induction factor contained in an observed object 2. At least a portion of the wavelength range of the irradiation light 31a and at least a portion of the absorption wavelength range over which the induction factor absorbs light overlap. A laser unit generates femtosecond pulse laser light having a wavelength range including the wavelength range of the irradiation light. An optical filter unit receives the femtosecond pulse laser light and emits it as the irradiation light 31a after removing a wavelength component shorter than a predetermined short wavelength side boundary wavelength and a wavelength component longer than a predetermined long wavelength side boundary wavelength from the femtosecond pulse laser light.

COPYRIGHT: (C)2013,JPO&INPIT