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    • 36. 发明授权
    • Method and device for adjusting wavelength distribution pattern in laser
    • 调整激光波长分布图的方法和装置
    • US07518086B2
    • 2009-04-14
    • US11083738
    • 2005-03-18
    • Yoshihiro NorikaneManabu SeoYasufumi Yamada
    • Yoshihiro NorikaneManabu SeoYasufumi Yamada
    • B23K26/00B41J2/435G11B7/00
    • B23K26/0676B23K26/0604B23K26/066B23K26/067G01J3/0229G01J3/14G01J3/18
    • A plurality of configurations is simultaneously formed in a material by a single laser beam having a desired distribution pattern of wavelengths. An input laser beam has an initial wavelength distribution pattern. The initial wavelength distribution pattern is adjusted or modified into a desired final wavelength distribution pattern. For example, the initial wavelength distribution pattern is a wide range of wavelengths in a single bell-curve distribution while the desired final wavelength distribution pattern has a specific number of sharp peaks each over a predetermined narrow range. The laser beam having the desired final wavelength distribution pattern is focused upon on a material. Because of the multiple peaks in the wavelength distribution, the laser beam is focused at a plurality of the focal distances. A number of structures is simultaneously formed in a material at the multiple focal points or at multiple locations/depths when the above laser beam is projected onto the material.
    • 通过具有期望的波长分布图案的单个激光束在材料中同时形成多个构造。 输入激光束具有初始波长分布图案。 将初始波长分布图案调整或修改为所需的最终波长分布图案。 例如,初始波长分布图案是单个钟形曲线分布中的宽波长范围,而期望的最终波长分布图案在预定的窄范围内具有特定数量的尖峰。 具有期望的最终波长分布图案的激光束聚焦在材料上。 由于波长分布中的多个峰值,激光束被聚焦在多个焦距处。 当将上述激光束投射到材料上时,在多个焦点处的材料中或多个位置/深度处同时形成多个结构。