Patent application number | Description | Published |
20080212091 | Light source unit and spectrum analyzer - A light source unit and a spectrum analyzer are provided in which the influence of interference can be reduced under conditions where light is separated into spectral components. A spectrum analyzer | 09-04-2008 |
20080252880 | Device for inspecting hollow-body cavity - Provided is a hollow-body cavity inspection device for inspecting a hollow-body cavity filled with a limited-wavelength transparent medium. The hollow-body cavity inspection device is capable of multifunction in addition to acquisition of an image and comprises: (1) one or more light sources for emitting two or more inspection light beams of different characteristics; (2) a light transmitting member for transmitting the two or more inspection light beams to an inspection objective in a hollow-body cavity and transmitting the reflected/scattered light from the inspection objective to the outside of the hollow-body; and (3) an inspection data formation means for receiving the reflected/scattered light and forming inspection information therefrom, wherein the two or more inspection light beams include first inspection light having its main wavelength bandwidth at the transmittable wavelength band, and the inspection data formation means comprises a plurality of means for outputting inspection information differing according to each of the two or more inspection light beams. | 10-16-2008 |
20090012405 | Imaging system - An imaging system | 01-08-2009 |
20090022189 | Light Source Apparatus - The present invention relates to a light source apparatus that has a base structure capable of generating SC light and further having a structure that enables the shaping of the spectral waveform of the SC light, power adjustment of the SC light, or adjustment of the frequency of repetition of the pulse train that contains the SC light. For example, a light source apparatus that enables shaping of spectral waveforms comprises a seed light source that emits seed light which is a pulse train or continuous light; an optical fiber that generates SC light from the seed light, and spectrum shaping means for completely or partially changing the spectral waveform of the SC light. The shaping of the spectral waveform changes the maximum power of the seed light by changing the optical coupling efficiency of the seed light source and optical fiber, for example, thereby suitably deforms the spectrum of the light. | 01-22-2009 |
20090129409 | Optical Fiber and Broadband Light Source - An optical fiber and a broadband light source that can generate SC light having a broader bandwidth. A broadband light source | 05-21-2009 |
20090152475 | Analyzer, Authenticity Judging Device, Authenticity Judging Method, and Underground Searching Method - The present invention relates to an analyzing apparatus and the like having a structure for enabling spectrometry and the like up to a longer frequency region while being excellent in practicality. The analyzing apparatus comprises a light source section and a light-detecting section. The light source section includes a seed light source emitting laser light, and a solid highly nonlinear optical fiber generating SC light in response to the input of the laser light, and thereby emitting the SC light as irradiation light to an object. The light-detecting section detects light to be detected from the object irradiated with the irradiation light. Here, the seed light source in the light source section emits pulsed light having a center wavelength within the range of 1.3 μm to 1.8 μm. | 06-18-2009 |
20090184247 | METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A method of inspecting food which can evaluate quality of the food with improved precision includes steps of irradiating probing light having near infrared wavelengths on the food; detecting light diffusively reflected by the food to obtain a reflectance spectrum; obtaining an absorbance spectrum based on the reflectance spectrum; and evaluating the food using the reflectance spectrum and the absorbance spectrum. An apparatus for implementing the method includes: a light source unit to generate probing light which has near infrared wavelengths and illuminates the food; a detector unit to detect light diffusively reflected by the food to obtain a reflectance spectrum of the food; and a processing unit to evaluate the food based on the reflectance spectrum and an absorbance spectrum calculated from the reflectance spectrum. | 07-23-2009 |
20090185161 | Optical Measurement Apparatus And Wideband Light Source Apparatus Employable Therein - The present invention relates to an optical measurement apparatus and wideband light source apparatus equipped with a structure for making it possible in optical measurement utilizing light in a near-infrared region to expand the measurement range to the longer wavelength side in the near-infrared region. The optical measurement apparatus comprises a wideband light source apparatus for outputting irradiation light to irradiate an object to be measured, and a detector for detecting the light arriving from the object irradiated with the irradiation light. The wideband light source apparatus comprises a light source section, and an optical fiber for expanding the spectrum width in an intensity spectrum of seed light from the light source section. In particular, the wideband light source apparatus outputs light having an intensity spectrum with an expanded spectrum width within the optical fiber as irradiation light so as to maintain such a spectrum intensity as to compensate for the decrease in light-receiving sensitivity of the detector in a wavelength region in at least a part of a sensitivity-decreasing region of 2 μm to 3 μm where the light-receiving sensitivity of the detector decreases in the near-infrared region. | 07-23-2009 |
20090185163 | APPARATUS FOR INSPECTING FOOD - A food inspection apparatus | 07-23-2009 |
20090185164 | METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A food inspection apparatus of the present invention, which allows the improvement of throughput, comprises a light source unit | 07-23-2009 |
20090185165 | METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A food inspection apparatus of the present invention, which allows throughput improvement, comprises a light source unit | 07-23-2009 |
20090207481 | Wavelength converter - Provided is a wavelength converter capable of generating a converted signal having a wavelength different from the wavelength of input light. The wavelength converter of the present invention comprises: (1) a pump light source for outputting pump light; (2) a light multiplexing part for multiplexing the input light and the pump light and outputting thus multiplexed light; (3) and a plurality of optical fibers connected together in cascade, allowing the passage of the input light and the pump light thus multiplexed and output thereinto by the light multiplexing part, having mutually different zero dispersion wavelengths, and being capable of generating a converted signal by the nonlinear optical phenomenon occurring during the passage of the input light and the pump light. The wavelength conversion efficiency of the sidebands is less than −20 dB relative to the maximum value of the wavelength conversion efficiency in the entirety of the plurality of optical fibers. | 08-20-2009 |
20090252467 | Broadband light source device - A broadband light source device that can generate supercontinuum light in a visible range and having a spectrum with a stable shape and high intensity is provided. The broadband light source device includes a diode-pumped solid-state laser light source that outputs seed light in response to being excited by a laser beam output from a semiconductor laser light source; a wavelength converter that receives the seed light to generate wavelength-converted light having a wavelength different from that of the seed light, and outputs the wavelength-converted light; and a nonlinear medium that receives the wavelength-converted light to generate supercontinuum light having a bandwidth of 100 nm or greater included in a wave band of 400 nm to 700 nm inclusive, and outputs the supercontinuum light. | 10-08-2009 |