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    • 14. 发明专利
    • Wide-band wavelength-variable laser device
    • 宽带波长可变激光器件
    • JP2010141283A
    • 2010-06-24
    • JP2009142411
    • 2009-06-15
    • Central Glass Co Ltdセントラル硝子株式会社
    • OKAMOTO HIDEYUKIKUBOTA YOSHINORIKASUGA TAKESHIHARA IKUNARI
    • H01S3/137H01S3/06H01S3/094
    • H01S3/08004H01S3/067H01S3/09415H01S3/105H01S3/1613H01S3/173H01S5/32341
    • PROBLEM TO BE SOLVED: To provide a wide-band wavelength-variable laser device capable of scanning successively a wavelength ranging from the blue ray to the near-infrared rays. SOLUTION: The wide-band wavelength-variable laser device includes: an excitation light source consisting of a GaN system laser diode of which the wavelength is 420-475 nm; and a resonator where laser medium for emitting light by the excitation light is arranged between the optical paths of a first mirror for reflecting light of a desired wavelength band except the excitation light while transmitting the excitation light from the excitation light source, and of the second miller for reflecting light of the desired wavelength band, and furthermore a first wavelength selecting means is arranged between the optical paths of the laser medium and of the second mirror. Accordingly, the wide-band wavelength-variable laser device can change successively by using fluoride glass where at least Pr 3+ is added to the laser medium. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供能够连续扫描从蓝光到近红外线的波长的宽带波长可变激光器件。 解决方案:宽带波长可变激光器件包括:激发光源,其由波长为420-475nm的GaN系激光二极管组成; 以及谐振器,其中用于通过激发光发射光的激光介质布置在第一反射镜的光路之间,用于反射除激发光之外的期望波长带的光,同时透射来自激发光源的激发光,以及第二反射镜 用于反射所需波长带的光,此外,第一波长选择装置设置在激光介质和第二反射镜的光路之间。 因此,宽带波长可变激光器件可以通过使用其中至少添加Pr 3+ + / SP>的氟化物玻璃来连续改变。 (C)2010,JPO&INPIT
    • 15. 发明专利
    • Small-sized fiber-ring laser
    • 小尺寸的光纤激光器
    • JP2010040731A
    • 2010-02-18
    • JP2008201442
    • 2008-08-05
    • Central Glass Co Ltdセントラル硝子株式会社
    • KUBOTA YOSHINORIKASUGA TAKESHIHARA IKUNARI
    • H01S3/06G01C19/68G02B6/00H01S3/094H01S3/16
    • PROBLEM TO BE SOLVED: To provide a small-sized and high-precision fiber-ring laser. SOLUTION: In a small-sized fiber-ring laser that uses a rare-earth-doped fiber as the gain medium for the fiber-ring laser having at least one closed ring-shaped oscillator (ring laser oscillator), one or more fluoride fibers, each having a core in which at least both Er and Ce are doped (ECDF) as the rare earth-added fiber are used; the total length of the ECDF is ≤2 m, the length of the ring laser oscillator is ≤10 m, and a semiconductor laser having a wavelength of ≥900 nm and ≤985 nm is used as the exciting source. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种小尺寸和高精度的光纤环形激光器。 解决方案:在使用稀土掺杂光纤作为具有至少一个封闭环形振荡器(环形激光振荡器)的光纤环形激光器的增益介质的小尺寸光纤环形激光器中,一个或 使用更多的氟化物纤维,每个具有其中掺杂有Er和Ce的至少二者的核心(ECDF)作为添加稀土的纤维; ECDF的总长度≤2m,环形激光振荡器的长度≤10μm,使用波长≥900nm,≤985nm的半导体激光器作为激励源。 版权所有(C)2010,JPO&INPIT