Patent application number | Description | Published |
20090073845 | OPTICAL RECORDING MEDIUM - An optical recording medium using Sn as the recording material to improve the jitter is provided, in which on the surface of a disc substrate | 03-19-2009 |
20090302223 | METHOD OF MEASURING TERAHERTZ WAVE AND TERAHERTZ SPECTROSCOPIC APPARATUS - A method of measuring a terahertz wave includes the steps of: starting input of a pulse signal showing that scale marks have been detected, which are arranged at equal intervals along a moving direction of a movable stage which can move in a direction in which an optical path length of incident pulse light is contracted or extended; and taking signals outputted at pulse intervals of the pulse light from a terahertz wave detecting section by synchronizing the timing with the pulse signal. | 12-10-2009 |
20090303480 | TERAHERTZ SPECTROSCOPIC APPARATUS - A terahertz spectroscopic apparatus includes a polarization beam splitter transmitting or reflecting a linearly polarized terahertz wave, a quarter wave plate imparting a phase difference of 90° to a terahertz wave impinging thereon, and an optical member guiding a circularly polarized terahertz wave impinging thereon from the polarization beam splitter via the quarter wave plate to an irradiation surface. | 12-10-2009 |
20100046338 | OPTICAL DISC APPARATUS, FOCUS POSITION CONTROL METHOD AND RECORDING MEDIUM - An optical disc apparatus can highly accurately record a hologram representing information on or reproduce such a hologram from an optical disc. When recording information on an optical disc | 02-25-2010 |
20110242485 | FLUORESCENCE IMAGE ACQUISITION METHOD, FLUORESCENCE IMAGE ACQUISITION PROGRAM, AND FLUORESCENCE IMAGE ACQUISITION APPARATUS - A fluorescence image acquisition method including: irradiating an eyeground with a short-pulse beam of light for exciting a fluorescent dye; setting the time point of emission of the light as a reference, measuring the intensities of luminescence of the fluorescent dye at two different times which are predetermined periods of time after the reference, determining the ratio between the intensities of luminescence at the two different times, and detecting the intensity of luminescence of the fluorescent dye having marked a target by using the ratio; and generating a fluorescence image of the fluorescent dye having marked the target, based on the results of detection by the detecting step. | 10-06-2011 |
20120004856 | SPECTRAL DATA ANALYZER, BIOLOGICAL SUBSTANCE DETECTION SYSTEM, AND BIOLOGICAL SUBSTANCE DETECTION METHOD - A spectral data analyzer is disclosed. The spectral data analyzer calculates the spectral intensity ratio of a C—H band and an amide I band in a Raman spectrum that corresponds to a substance present in a body tissue; and automatically determines the presence or absence of amyloid beta in the substance based on the calculated ratio. | 01-05-2012 |
20120229769 | FUNDUS IMAGING APPARATUS AND FUNDUS IMAGING METHOD - Provided is a fundus imaging apparatus including a wavefront adjuster and a detector. The wavefront adjuster is configured to adjust a wavefront of a femtosecond pulsed laser beam incident on an ocular fundus to be examined. The detector is configured to detect fluorescence generated in a multi-photon excitation process by the femtosecond pulsed laser beam incident on the ocular fundus to be examined. The wavefront adjuster is further configured to adjust the wavefront so that an intensity of the fluorescence to be detected by the detector becomes a maximum value. | 09-13-2012 |
20120250013 | NON-LINEAR RAMAN SPECTROSCOPY APPARATUS, NON-LINEAR RAMAN SPECTROSCOPY SYSTEM, AND NON-LINEAR RAMAN SPECTROSCOPY METHOD - A non-linear Raman spectroscopy apparatus includes a light source unit emitting a pulse beam having a pulse width of 0.2 ns to 10 ns, a pulse peak power of 50 W to 5000 W, and a wavelength of 500 nm to 1200 nm, and a single-mode fiber through which continuous white light is generated from the pulse beam. A test sample to be measured is radiated with a pump-cum-probe beam formed of the pulse beam and a Stokes beam formed of the continuous white light to obtain a Raman spectrum. | 10-04-2012 |
20120287428 | NONLINEAR RAMAN SPECTROSCOPIC APPARATUS, MICROSPECTROSCOPIC APPARATUS, AND MICROSPECTROSCOPIC IMAGING APPARATUS - Provided is a nonlinear Raman spectroscopic apparatus includes two light sources and a pulse control section. The two light sources are each configured to emit short-pulse laser light. The pulse control section is configured to time-delay the short-pulse laser light emitted from one of the light sources. | 11-15-2012 |
20140268131 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - There is provided a measurement apparatus including a light source unit configured to emit pulsed laser light used for pump light and Stokes light that excite predetermined molecular vibration of a measurement sample and for probe light that is intensity-modulated with a predetermined reference frequency and that has a same wavelength as the pump light or the Stokes light, a pulse control unit configured to cause time delay of the probe light generated by the light source unit and then to guide the pump light, the Stokes light, and the time-delayed probe light to the measurement sample, and a detection unit configured to detect transmitted light transmitted through the measurement sample or reflected light from the measurement sample. A relaxation time of the molecular vibration of the measurement sample is measured using time-resolved stimulated Raman gain spectroscopic measurement or time-resolved stimulated Raman loss spectroscopic measurement of the measurement sample. | 09-18-2014 |