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BONDED BODY, LASER OSCILLATOR, LASER AMPLIFIER, AND METHOD FOR PRODUCING BONDED BODY

外国特許コード F200010012
整理番号 S2018-0537-C0
掲載日 2020年1月30日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2019JP017503
国際公開番号 WO 2019208658
国際出願日 平成31年4月24日(2019.4.24)
国際公開日 令和元年10月31日(2019.10.31)
優先権データ
  • 特願2018-083878 (2018.4.25) JP
発明の名称 (英語) BONDED BODY, LASER OSCILLATOR, LASER AMPLIFIER, AND METHOD FOR PRODUCING BONDED BODY
発明の概要(英語) In this bonded body (10), a light-transmissive optical material (11) and a cooling material (12) are bonded to each other. At the bonding interface between the optical material (11) and the cooling material (12), atoms contained in the optical material (11) penetrate into and are diffused in the cooling material (12) to an extent such that no interference fringes are generated on the bonded body (10), and the bonded body (10) can transmit light. The length of the penetration and diffusion of the atoms contained in the optical material (11) into the cooling material (12) may be within the range of about 1.0 nm to about 10 µm.
従来技術、競合技術の概要(英語) BACKGROUND ART
In recent years, as the output of the laser oscillator, a laser oscillator that uses the cooling of the material in question. Temperature gradient is generated in the optical material, the thermal lens effect, the thermal aberration, such as thermal birefringence causes for deteriorating the quality of the laser beam, the temperature gradient in the optical material can be slowed as much as possible is demanded. For this reason, to efficiently cool the optical material in a laser oscillator for the development of the method is underway. For example, in Non-Patent Document 1, Yb: YAG (optical material) on both end faces, good thermal conductivity (cooling material) or transparent sapphire is bonded to the adhesive is disclosed.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • KITAMI INSTITUTE OF TECHNOLOGY
  • NATIONAL INSTITUTES OF NATURAL SCIENCES
  • 発明者(英語)
  • FURUSE Hiroaki
  • KOIKE Yuki
  • YASUHARA Ryo
国際特許分類(IPC)

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