[특허]Dynamically tunable optical amplifier and fiber optic light source

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01S-003/00
출원번호	US-0942457 (2001-08-29)
우선권정보	KR-0028259 (1998-07-14)
발명자 / 주소	Lee, Chang-Hee Kim, Byoung Yoon Yun, Seok Hyun Kim, Hyo Sang Baik, Jin-Serk Park, Kun-Youl Sorin, Wayne V.
출원인 / 주소	Novera Optics, Inc.
대리인 / 주소	Blakely, Sokoloff, Taylor & Zafman LLP
인용정보	피인용 횟수 : 10 인용 특허 : 22

초록 ▼

An optical amplifier comprises a wavelength tunable filter, one or more optical gain stages, and a controller for controlling a spectral profile of the wavelength tunable filter in response to a measured spectral characteristic of the amplifier. The controller may also control gain of the gain stage

An optical amplifier comprises a wavelength tunable filter, one or more optical gain stages, and a controller for controlling a spectral profile of the wavelength tunable filter in response to a measured spectral characteristic of the amplifier. The controller may also control gain of the gain stage(s). The controller determines the filter spectral profile necessary to obtain a desired amplifier spectral characteristic. The spectral characteristic may, for example, be a power spectral output of the amplifier or a gain profile of the amplifier. The amplifier may incorporate a dispersion compensator. The controller may control a spectral profile of the wavelength tunable filter and gain of the dispersion compensator. A tunable fiber light source is also described.

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An optical amplifier comprises a wavelength tunable filter, one or more optical gain stages, and a controller for controlling a spectral profile of the wavelength tunable filter in response to a measured spectral characteristic of the amplifier. The controller may also control gain of the gain stage

An optical amplifier comprises a wavelength tunable filter, one or more optical gain stages, and a controller for controlling a spectral profile of the wavelength tunable filter in response to a measured spectral characteristic of the amplifier. The controller may also control gain of the gain stage(s). The controller determines the filter spectral profile necessary to obtain a desired amplifier spectral characteristic. The spectral characteristic may, for example, be a power spectral output of the amplifier or a gain profile of the amplifier. The amplifier may incorporate a dispersion compensator. The controller may control a spectral profile of the wavelength tunable filter and gain of the dispersion compensator. A tunable fiber light source is also described. ty of cuts extending through only a lower pheripheral edge of said headband to a depth less than half a total width of said headband to create cut portions; and a piece of stretchable fabric connecting said headband to said lower peripheral edge of said crown main body, said piece of stretchable fabric sewn to create an elongated space through which said cut portions of said headband extend such that said stretchable fabric covers said cut portions of said headband while over half the total width of said headband remains uncut and uncovered. 4. The cap as set forth in claim 3, wherein at least one of said plurality of panels is fabricated with a stretchable material. 5. The cap as set forth in claim 3, wherein said plurality of cuts are incised at regularly spaced intervals. 6. An adjustable size baseball-style cap comprising: a crown main body having a plurality of panels and being expandable at least along a lower peripheral edge thereof; a visor portion secured to a forward portion of said peripheral edge of said crown main body and extending outwardly therefrom; a piece of stretchable fabric sewn to said lower peripheral edge of said crown main body with a first line of stitching; and a headband formed of a substantially non-stretchable fabric material and sewn to said piece of stretchable fabric with a second line of stitching such that a width of said piece of stretchable fabric defines a stretchable region separating said crown main body and said headband; a lower peripheral edge of said headband is grooved at regularly spaced intervals to create grooved portions that extend through less than half a total width of said headband, said piece of stretchable fabric being sewn to cover said grooved portions while a remainder of said total width of said headband remains uncovered. 7. The cap as set forth in claim 6, wherein at least one of said plurality of panels is fabricated with a stretchable material. ible frame housing the lens, and a headband. The goggles also include rotatable headband mounting members and/or a removable/replaceable moisture wicking system affixed to the inner surface of the frame. The lens is configured to be positioned over a wearer's eyes. The flexible frame housing houses the lens and is defined by a frame top, a frame bottom, a frame right side and a frame left side. The frame has an inner surface that is worn towards the wearer's face. The headband has a headband left end and a headband right end. The first and second rotatable headband mounting members are attached to the headband left end and the headband right end respectively and the first and second rotatable headband mounting members are attached to the frame left side and the frame right side respectively for providing rotatable engagement of the headband with the frame.

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이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

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Risk William P. (Palo Alto CA) Kino Gordon S. (Stanford CA), Fiber optic apparatus and method for spectrum analysis and filtering.
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Yoshimoto, Masahiro; Izumi, Futoshi; Takakuwa, Makoto, Dispersion compensating method and dispersion compensating apparatus.
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Harbers, Rik; Schildknecht, Kurt, Increasing the usable dynamic range in photometry.
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Jasti,Chandra Sekhar; Gysel,Hermann; Ramachandran,Mani, Method and apparatus for automatically adjusting the optical power directed to a dispersion compensating element.
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Shukunami, Norifumi; Tsuzuki, Tatsuya; Ooi, Hiroki, Optical amplifier with feedback to obtain set gain and gain tilt.
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Nagai, Yusuke, Optical analyzer.
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Banno, Eiichi; Kato, Takatoshi; Tsumura, Eiji, Optical transceiver implementing erbium doped fiber amplifier.
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Parkhurst,Ray Myron; Jansen,Bartholomeus Hendrik; Camnitz,Lovell H.; Lesko,Camille A, RF power amplifier with load insensitive indirect forward power detector.
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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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[미국특허] Dynamically tunable optical amplifier and fiber optic light source 원문보기

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[미국특허] Dynamically tunable optical amplifier and fiber optic light source 원문보기

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이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

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