Abstract: According to an embodiment of the present disclosure, there is provided a laser spectroscopy-based independent device, including: a spectrometer configured to measure a spectrum of generated light which is generated by a laser projected onto a sample; and a disease analysis module configured to determine whether there is lesion tissue by applying a lesion tissue detection learning model to a result of non-discrete spectrum measurement, which is measured by the spectrometer, wherein the spectrometer is configured to measure spectra of all generated light that is generated from a time when the laser is projected onto the sample.

Abstract: According to an embodiment of the present disclosure, a non-transitory computer readable storage medium which stores one or more non-discrete spectrum analysis programs for lesion tissue detection based on laser spectroscopy is provided. The one or more programs cause an electronic device provided with one or more processors to execute a lesion tissue detection method, and the lesion tissue detection method includes a step of determining whether there is lesion tissue by applying a lesion tissue detection learning model to a result of non-discrete spectrum measurement. The result of the non-discrete spectrum measurement is a result of measuring spectra of all generated light that is generated from a time when a laser is projected onto a sample until the generated light is no longer generated.

Abstract: According to an embodiment, a tip for a diagnosis laser handpiece, coupled to a handpiece and used therein includes: a light emission module configured to emit a laser to a target; and a light adjustment module disposed on a path through which the laser emitted to the target travels. The light adjustment module is configured to adjust energy of the laser emitted to the target, and a focus size of the laser.

Abstract: According to one embodiment, a tip for a laser handpiece includes: a light radiating module configured to radiate a laser toward a target; and a light receiving module configured to receive at least a portion of light which is generated by the laser radiated onto the target as received light. The light radiating module includes: a base which has an inner space formed therein to allow the laser to pass therethrough; a fixing portion which is coupled to a lower portion of the base and has a penetrating hole formed therein to allow the laser to pass therethrough; and a module connecting member which is interposed and fixed between the base and the fixing portion.

Abstract: The present disclosure relates to a method and a device for controlling a laser output. According to an embodiment, there are provided a method for controlling a laser output of a laser device, provided with a laser generator and a handpiece for radiating a laser generated at the laser generator onto a target, and a device performing the method. The method includes the steps of: measuring, by a plurality of distance sensors arranged along a circumference of one end of the handpiece from which the laser is outputted, distances between the plurality of distance sensors and the target; based on the distances between the distance sensors and the target, calculating an effective area which is a region of the target onto which the laser is really radiated; and increasing or reducing the laser output to radiate the laser onto the effective area with a predetermined energy density.

Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.

Abstract: According to one embodiment of the present disclosure, a device for diagnosing a pigmented lesion includes: a sound detector configured to detect a photoacoustic wave generated when a laser is irradiated onto a target from which a pigmented lesion is to be identified; and a diagnosis unit configured to calculate a depth and/or thickness of the pigmented lesion, based on a time at which the photoacoustic wave is detected, and laser irradiation time information on the laser irradiated onto the target.

Abstract: A disease diagnosis and skin age measurement apparatus includes: a first light collection unit; a second light collection unit; a spectrometer configured to measure a spectrum of the light which is collected by the second light collection unit; a spectrum data comparison unit for disease diagnosis configured to compare the spectrum measured by the spectrometer and reference spectrum data for disease diagnosis; a CCD; an image data comparison unit configured to compare the digital image converted by the CCD and a reference image; a disease diagnosis unit configured to determine whether there is a disease in the body tissue; and/or a spectrum data comparison unit for skin age measurement configured to measure skin age by comparing a spectrum measured by the spectrometer and reference spectrum data for skin age measurement, wherein the light projected onto the body tissue is collimate light.

Abstract: An aesthetic or medical laser system is disclosed. The laser system includes: a spectrometer configured to measure a spectrum of light which is generated when body tissue is irradiated with a laser for beauty or medical care; a spectrum data comparison unit configured to compare the spectrum of the generated light measured by the spectrometer and a disease diagnosis reference spectrum data DB; and a disease diagnosis unit configured to determine whether there exists a disease in the body tissue based on a result of comparing by the spectrum data comparison unit.

Abstract: According to one embodiment, a system for diagnosing a pigmented lesion is provided. The system includes: a sound detector configured to detect a photoacoustic wave which is generated when a first laser is irradiated onto a target having a pigmented lesion; a disease diagnosis unit configured to determine a type of the pigmented lesion based on generated light which is generated when a second laser is irradiated onto the target; and a pigmented lesion diagnosis unit configured to calculate at least one of a depth and a thickness of the pigmented lesion based on a time at which the photoacoustic wave is detected and laser irradiation time information on the first laser irradiated onto the target.

Abstract: A disease diagnosis and skin age measurement apparatus includes: a first light collection unit; a second light collection unit; a spectrometer configured to measure a spectrum of the light which is collected by the second light collection unit; a spectrum data comparison unit for disease diagnosis configured to compare the spectrum measured by the spectrometer and reference spectrum data for disease diagnosis; a CCD; an image data comparison unit configured to compare the digital image converted by the CCD and a reference image; a disease diagnosis unit configured to determine whether there is a disease in the body tissue; and/or a spectrum data comparison unit for skin age measurement configured to measure skin age by comparing a spectrum measured by the spectrometer and reference spectrum data for skin age measurement, wherein the light projected onto the body tissue is collimate light.

Abstract: An aesthetic or medical system is provided. The aesthetic or medical system includes: a laser irradiation device configured to generate a laser and project the laser onto body tissue; a probe configured to collect light which is generated when the laser is projected onto the body tissue; and an analysis unit configured to diagnose a disease by analyzing a spectrum of the light collected by the probe, and the probe is detachably connected to the laser irradiation device.

Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.

Abstract: A disease diagnosis and skin age measurement apparatus includes: a first light collection unit; a second light collection unit; a spectrometer configured to measure a spectrum of the light which is collected by the second light collection unit; a spectrum data comparison unit for disease diagnosis configured to compare the spectrum measured by the spectrometer and reference spectrum data for disease diagnosis; a CCD; an image data comparison unit configured to compare the digital image converted by the CCD and a reference image; a disease diagnosis unit configured to determine whether there is a disease in the body tissue; and/or a spectrum data comparison unit for skin age measurement configured to measure skin age by comparing a spectrum measured by the spectrometer and reference spectrum data for skin age measurement, wherein the light projected onto the body tissue is collimate light.

Abstract: A laser-induced breakdown spectroscope according to an exemplary embodiment of the present invention includes: a laser head which emits a laser beam; a focusing lens which focuses the laser beam on a target specimen; a plasma reactor unit which amplifies first plasma, which is generated on the target specimen positioned at a focal point of the laser beam passing through the focusing lens, by controlling electron density and electron energy of the first plasma; a collection lens which focuses second plasma amplified by the plasma reactor unit; and a spectrophotometer which analyzes the second plasma focused by the collection lens.