[특허]Sensitized erbium fiber optical amplifier and source

Sensitized erbium fiber optical amplifier and source 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01S-003/16
출원번호	US-0735387 (1991-07-24)
발명자 / 주소	Grubb Stephen G. (Naperville IL) Anthon Douglas W. (Wheaton IL) Barnes William L. (Basset GBX) Townsend Janet E. (Hamble GBX)
출원인 / 주소	Amoco Corporation (Chicago IL 02)
인용정보	피인용 횟수 : 54 인용 특허 : 0

초록 ▼

An optical fiber for amplifying or sourcing a light signal in a single transverse mode. The fiber comprises a host glass doped with erbium (Er) and a sensitizer such as ytterbium (Yb) or iron (Fe). Preferably the host glass is doped silicic glass (e.g., phosphate or borate doped). Electrical energy is provided to diode lasers that pump the Nd laser rod, which in turn pumps the fiber. Such a configuration for pumping the fiber provides a high energy transfer from the diodes to the Nd laser rod, which in turn enables high pumping powers to be coupled into the single-mode co-doped fiber. Based on the amplification characteristics of the co-doped fiber and the efficient coupling of power from the laser diodes, the amplifier provides power and small signal gains comparable to the best observed, while requiring only conventional and readily available diode-based pump sources.

대표청구항 ▼

A silicic optical fiber for use in optical amplifiers and sources, comprising: a concentration of erbium ions for providing radiation when the quantum energy level of said erbium ions decays from 4I13/2 metastable state to the 4I15/2 ground level state; a concentration of ytterbium ions for absorbing radiation as the quantum energy level of said ytterbium ions is excited from a thermally excited sub-level of the 2F7/2 state to the 2F5/2 metastable state and for exciting the quantum energy level of said erbium ions from the 4I15/2 ground level state to the 4I11/2 state when the quantum energy level of said ytterbium ions decays from the 2F5/2 state back to the 2F7/2 state; and a concentration of phosphate for reducing the decay time of the erbium ion quantum energy level from the 4I11/2 state to the 4I13/2 state to reduce back transfer of energy from said erbium ions to said ytterbium ions.

이 특허를 인용한 특허 (54)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Sensitized erbium fiber optical amplifier and source 원문보기

초록 ▼

대표청구항 ▼

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이 특허를 인용한 특허 (54)

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Sensitized erbium fiber optical amplifier and source 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (54)

관련 콘텐츠

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