Abstract: Disclosed is a high power ultra-short pulsed laser device increasing pulse energy by using resonators. A pulsed laser device may comprise a first resonator making a pump beam resonate primarily and passing the pump beam which resonated through a first output mirror; and a second resonator comprising a first multiple reflection mirror and a second multiple reflection mirror. Also, the first multiple reflection mirror includes at least one first small area mirror, and the second multiple reflection mirror includes at least one second small area mirror, and the second resonator makes the laser beam delivered from the first resonator resonate by reflecting the laser beam repetitively. Therefore, the pulsed laser device may increase pulse energy without using a multi-stage amplifier so that a high power ultra-short pulsed laser beam can be generated.

Abstract: Provided is a treating apparatus including an ion generating apparatus configured to inject ionized elements into a diagnosis subject to remove a tumor in the diagnosis subject, and an image photographing apparatus configured to measure positions of the ionized elements in the diagnosis subject. The ion generating apparatus includes a target including a first element and a first isotope that is a radioactive isotope of the first element, and a laser configured to allow a laser beam to be incident on the target and thus ionize the first element and the first isotope.

Abstract: Present disclosure provides a portable viscometer including a body and a measuring unit disposed on one side of the body. The measuring unit includes a capillary tube detachably attached to the measuring unit, and a first sensor and a second sensor, the first and second sensors being disposed adjacent to the capillary tube and vertically spaced apart from each other, and the capillary tube includes a bead therein. The bead may be fixed on the inner surface of the capillary tube by a fixing compound which is soluble in a fluid to be measured.

Abstract: Provided is a solar cell including a first electrode, a first semiconductor layer on the first electrode, a second semiconductor layer on the first semiconductor layer, and a second electrode on the second semiconductor layer. The second semiconductor layer may include a nano wire that may be formed along a grain boundary of a top surface thereof to have a mesh-shaped structure.

Abstract: Provided are a pulse width stretcher and a chirped pulse amplifier including the same. The pulse width stretcher includes first and second multiple reflection mirrors, and a pulse group-delay dispersion block disposed between the first and second multiple reflection mirrors and configured to refract a pulse laser beam to stretch a pulse width of the pulse laser beam.

Abstract: Provided herein is an apparatus for measuring properties of a fluid, the apparatus including: a light emitting unit configured to emit a first light having a first wavelength and a second light having a second wavelength that is longer than the first wavelength, from outside a fluid accommodating unit where the fluid flows in and out to a measurement area inside the fluid accommodating unit; a light receiving unit disposed outside the fluid accommodating unit and configured to receive the first light and second light that passed the measurement area; and a measuring unit configured to measure the properties of the fluid based on an intensity of the first light and second light that the light emitting unit emitted and an intensity of the first light and second light that the light receiving unit received.

Abstract: A scintillating module is provided which includes a first scintillating layer including a plurality of scintillators extending in a first direction; a second scintillating layer including a plurality of scintillators extending in a second direction and stacked in a third direction with respect to the first scintillating layer, wherein the first, second and third directions are orthogonal to each other.

Abstract: Provided is a chromium ion-doped laser apparatus for medical application and a method of operating the laser apparatus, the apparatus including a laser beam generating unit to generate a laser beam, a converting unit to convert a wavelength of the generated laser beam to be a set wavelength, and an emitting unit to emit the laser beam having the converted wavelength to an object.

Abstract: Provided is an analysis apparatus for a high energy particle and an analysis method for a high energy particle. The analysis apparatus for the high energy particle includes a scintillator generating photons with each unique wavelength by the impinging with a plurality of kinds of accelerated high energy particles, a parallel beam converting unit making the photons proceed in parallel to one another, a diffraction grating panel making the photons proceeding in parallel to one another enter at a certain angle, and refracting the photons at different angles depending on each unique wavelength, and a plurality of sensing units arranged on positions where the photons refracted at different angles from the diffraction grating panel reach in a state of being spatially separated, and detecting each of the photons.

Abstract: The present inventive concept provides a multiple separation device and a method of separating a blood cancer cell using the same. In the device and the method, a blood sample is put in a fine channel and then cancer cells can be separated according to the type of cancer by controlling a flow velocity of the blood or a magnetic force of ferromagnetic pattern.

Abstract: Disclosed is a high power ultra-short pulsed laser device increasing pulse energy by using resonators. A pulsed laser device may comprise a first resonator making a pump beam resonate primarily and passing the pump beam which resonated through a first output mirror; and a second resonator comprising a first multiple reflection mirror and a second multiple reflection mirror. Also, the first multiple reflection mirror includes at least one first small area mirror, and the second multiple reflection mirror includes at least one second small area mirror, and the second resonator makes the laser beam delivered from the first resonator resonate by reflecting the laser beam repetitively. Therefore, the pulsed laser device may increase pulse energy without using a multi-stage amplifier so that a high power ultra-short pulsed laser beam can be generated.

Abstract: Provided herein is a light transmitting cable for laser treatment, the cable including a first optical fiber configured to generate a high energy particle by a laser beam transmitted from a light source and to transmit the high energy particle to a target; and an image transmitting cable configured to transmit an image surrounding the target, thereby being capable of treating a tumor with relatively low power output while identifying a location of the tumor.

Abstract: There is provided a device for generating a heavy-ion beam. The device includes a laser beam generating unit configured to generate a laser beam; a target configured to generate a heavy-ion beam by the laser beam; a laser optical system configured to focus the laser beam on the front of the target; and a plasma treating unit disposed at a rear surface of the target and configured to remove impurities within the target by plasma surface treatment that is performed by radiating cationic plasma onto the rear surface of the target.

Abstract: Provided are a target structure used for generating a charged particle beam, a method of manufacturing the same, and a medical appliance using the same. The target structure includes a target layer and a support having a through hole used as a progressing path of a laser beam or a charged particle beam.

Abstract: There is provided a device for generating a heavy-ion beam. The device includes a laser beam generating unit configured to generate a laser beam; a target configured to generate a heavy-ion beam by the laser beam; a laser optical system configured to focus the laser beam on the front of the target; and a plasma treating unit disposed at a rear surface of the target and configured to remove impurities within the target by plasma surface treatment that is performed by radiating cationic plasma onto the rear surface of the target.

Abstract: Provided are an ion generation target and a treatment apparatus including the target. The treatment apparatus includes a grid having a net shape of nano wires, an ion generation thin film attached to a side of the grid and generating ions by means of an incident laser beam, and a laser for emitting a laser beam into the nano wire of the grid to generate ions from the ion generation thin film and project the ions onto a tumor portion of a patient. The laser beam emitted into the nano wire forms a near field, the intensity of which is higher than that of the laser beam through a nanoplasmonics phenomenon, and the near field emits the ions from the ion generation thin film.

Abstract: Provided is an optical device having a high damage threshold, the optical device including a coating layer applied to cover a substrate and an optical switch formed of a carbon material and disposed on one side of the substrate, which may have a greatly increased damage threshold through the coating layer and thus, a characteristic of the optical device may be effectively adjusted.

Abstract: The present invention relates to a portable digital reader for urinalysis. The portable digital reader for reading an analysis target chip including a plurality of test areas, comprises: a main body including a light emitting section having light emitting elements for radiating light, an integral optical splitter for uniformly distributing the light from the light emitting section to each test area of the analysis target chip, a light receiving section for receiving light reflected from the each test area so as to convert the same to electric signals, and a measuring section for measuring concentration according to the electric signals obtained from the light receiving section; a main supporting body having the analysis target chip and assembled with the main body; and an auxiliary supporting body assembled between the analysis target chip and the main supporting body, including a groove for assembling the analysis target chip, and assembled with the main supporting body to be exchanged after use.

Abstract: The present invention relates to a core-shell nanoparticle, a method of fabricating the same and a gas sensor using the same, more particularly to a core-shell nanoparticle which includes a core including a first metal oxide and a shell including a second metal oxide, the first metal oxide and the second metal oxide being oxides of the same metal having different oxidation states, a method of fabricating the same and a gas sensor using the same.

Abstract: A graphene-Au nanoplate structure, a method for fabricating the same, and a method for accelerating carbon ions using the graphene-Au nanoplate structure. The graphene-Au nanoplate structure includes: a substrate; an Au nanoplate attached on the substrate; and a graphene wrapped around the Au nanoplate.