LIGHT IRRADIATION DEVICE, IMAGING DEVICE AND LASER PROCESSING DEVICE

• Main Authors: NAKANO YOSHIAKI, FUKUI TAICHIRO, TANOMURA RYOTA, YAMASHITA DAIJI, TANEMURA TAKUO
• Format: Patent
• Language: English; Japanese
• Published: 27.07.2020
• 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

To provide a light irradiation device capable of enhancing resolution of a light beam pattern according to the number of light radiation points, and an imaging device and a laser processing device in which the light irradiation device is incorporated.SOLUTION: A light irradiation device 100 comprises a plurality of waveguides (light guide parts) 36 for making light pass therethrough and a phase adjustment section 31b for adjusting a phase of light to be emitted from a plurality of emission ports 38 provided at the plurality of waveguides 36. The plurality of emission ports 38 are arrayed at the minimum redundancy interval.SELECTED DRAWING: Figure 1 【課題】光放射点の個数に合わせて光ビームパターンの分解能を高めることができる光照射装置、並びに、これを組み込んだイメージング装置及びレーザー加工装置を提供すること。【解決手段】光照射装置１００は、光をそれぞれ通過させる複数の導波路（導光部）３６と、複数の導波路３６に設けた複数の射出ポート３８から射出させる光の位相を調整する位相調整部３１ｂとを備え、複数の射出ポート３８は、最小冗長間隔で配列されている。【選択図】図１