LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD, LASER PROCESSING SYSTEM, AND PROCESSING METHOD BY THE LASER PROCESSING SYSTEM
PROBLEM TO BE SOLVED: To provide a light control device and a laser processing system or the like which can optionally control a light irradiation pattern on an irradiated object, and preferably, can optionally control light intensity distribution in the light irradiation pattern.SOLUTION: A light c...
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| creator | SAKURAI TSUTOMU KONO TADAMICHI SHIGA MASAYUKI TOGAWA MASAYUKI ENOTANI JUN |
| description | PROBLEM TO BE SOLVED: To provide a light control device and a laser processing system or the like which can optionally control a light irradiation pattern on an irradiated object, and preferably, can optionally control light intensity distribution in the light irradiation pattern.SOLUTION: A light control device includes: a lens which collects and diverts incident light containing linear polarized light; a polarizing means formed of a half-wavelength plate, which optionally changes a polarization direction of light from the lens; and a birefringent element which divides the light from the half-wavelength plate into at least two. Preferably, the birefringent element is a cartridge which can be replaced with other birefringent element having a different optical property, and the half-wavelength plate can be rotated with respect to an optical axis or can be inclined in an optical axis direction. |
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| recordid | cdi_epo_espacenet_JP2013173171A |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD, LASER PROCESSING SYSTEM, AND PROCESSING METHOD BY THE LASER PROCESSING SYSTEM |
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