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    • 2. 发明申请
    • OPTICAL COUPLERS AND ACTIVE OPTICAL MODULES USING THE SAME
    • 光学耦合器和使用该光学耦合器的主动光学模块
    • US20120213235A1
    • 2012-08-23
    • US13345774
    • 2012-01-09
    • Hong-Seok SEOJoon Tae AHNBong Je PARKJung-Ho SONG
    • Hong-Seok SEOJoon Tae AHNBong Je PARKJung-Ho SONG
    • H01S3/067
    • H01S3/094053G02B6/2852H01S3/067H01S3/0675H01S3/094011
    • Provided are an optical coupler and an active optical module including the same. The optical coupler includes at least one first optical fiber, a second optical fiber, and a hollow optical block. The at least one first optical fiber transfers pump light. The second optical fiber includes a cladding with a facet enlarged from a first outer diameter to a second outer diameter, and passes the pump light which is transferred through the first optical fiber. The hollow optical block includes a through hole, an incident surface, and a coupling surface. The through hole passes the cladding with the first outer diameter. The incident surface is connected to the first optical fiber at a side end of the through hole. The coupling surface is joined to the facet of the second optical fiber at the other side end of the through hole facing the incident surface.
    • 提供一种光耦合器和包括该光耦合器的有源光学模块。 光耦合器包括至少一个第一光纤,第二光纤和中空光学块。 所述至少一个第一光纤传送泵浦光。 第二光纤包括具有从第一外径扩大到第二外径的小面的包层,并使通过第一光纤传送的泵浦光通过。 中空光学块包括通孔,入射表面和联接表面。 通孔通过具有第一外径的包层。 入射面在通孔的侧端连接到第一光纤。 耦合面在面向入射面的通孔的另一侧端部与第二光纤的面连接。
    • 8. 发明申请
    • Gain-clamped optical amplifier using double-clad fiber
    • 增益钳位光放大器采用双包层光纤
    • US20080267227A1
    • 2008-10-30
    • US11982166
    • 2007-10-31
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • H01S3/30
    • H01S3/06754H01S3/06729H01S3/1302
    • Provided is a gain-clamped optical amplifier amplifying light without bandwidth loss of an incident optical signal, and the gain-clamped optical amplifier using a double-clad fiber comprises: an optical fiber including a core doped with a gain material for amplifying an optical signal, a primary clad adjacent to the outside of the core and having a lower refractive index than the core, and a secondary clad adjacent to the outside of the primary clad and having a lower refractive index than the primary clad; a light emitting element emitting a pump light for population inversion of the gain material; and a cavity unit producing laser oscillation by resonating spontaneous emission light emitted from the gain material population-inverted by the pump light.
    • 本发明提供一种增益钳位光放大器,其放大入射光信号的带宽损耗的光,并且使用双包层光纤的增益钳位光放大器包括:包含掺杂有用于放大光信号的增益材料的核的光纤 邻近核心的外部的初级包层并且具有比芯部更低的折射率,以及邻近初级包层的外侧且具有比初级包层低的折射率的次级包层; 发射用于增益材料的群体反转的泵浦光的发光元件; 以及腔体单元,通过使从由泵浦光反转的增益材料发射的自发发射光共振来产生激光振荡。
    • 9. 发明申请
    • APPARATUS FOR MANUFACTURING OPTICAL FIBER BRAGG GRATING, OPTICAL FIBER, AND MID-INFRARED OPTICAL FIBER LASER
    • 制造光纤光栅光栅,光纤和中红外光纤激光器的设备
    • US20080156779A1
    • 2008-07-03
    • US11942986
    • 2007-11-20
    • Joon Tae AHNHong Seok SeoBong Je Park
    • Joon Tae AHNHong Seok SeoBong Je Park
    • B23K26/00
    • B23K26/06B23K26/032B23K26/0626B23K26/066B23K2101/32
    • Provided is an apparatus for manufacturing an optical fiber Bragg grating. The optical fiber Bragg grating manufacturing apparatus includes: an optical fiber; a laser for irradiating a laser beam to the optical fiber to change a refractive index of a core of the optical fiber; an optical system for periodically changing the intensity of the laser beam irradiated to the optical fiber core; a broadband light source for providing broadband light as an incident signal to the optical fiber in order to observe a reflection characteristic of a Bragg grating formed in the optical fiber by the laser beam converted by the optical system; and an optical spectrum analyzer (OSA) for measuring a reflected signal or a transmitted signal of the broadband light incident to the Bragg grating, wherein the optical system realizes a Bragg wavelength (λB) in order to periodically change the refractive index of the optical fiber core, and the broadband light source and the optical spectrum analyzer use λB/N, where λB denotes the Bragg wavelength and N is a natural number which is equal to or more than 2.
    • 提供一种用于制造光纤布拉格光栅的装置。 光纤布拉格光栅制造装置包括:光纤; 用于将光束照射到光纤以改变光纤的芯的折射率的激光器; 用于周期性地改变照射到光纤芯的激光束的强度的光学系统; 宽带光源,用于向光纤提供宽带光作为入射信号,以通过由光学系统转换的激光束观察在光纤中形成的布拉格光栅的反射特性; 以及用于测量入射到布拉格光栅的宽带光的反射信号或发射信号的光谱分析仪(OSA),其中所述光学系统实现布拉格波长(λBB)以周期性地 改变光纤纤芯的折射率,宽带光源和光谱分析仪使用λ/ B / N,其中λB B表示布拉格波长,N是 等于或大于2的自然数。