Tilt mirror fabry-perot filter system, fabrication process therefor, and method of operation thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02B-026/02
G02B-027/00
출원번호
US-0906495
(2001-07-16)
발명자
/ 주소
Flanders, Dale C.
출원인 / 주소
Axsun Technologies, Inc.
대리인 / 주소
Houston, J. Grant
인용정보
피인용 횟수 :
24인용 특허 :
3
초록▼
A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable the tilting of the first mirror structure relative to an optical axis, in addition to translation of the
A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable the tilting of the first mirror structure relative to an optical axis, in addition to translation of the first mirror structure along the optical axis. A second mirror structure is further provided to define an optical cavity in combination with the first mirror structure. At least two drive electrodes are provided for electrostatically tilting and translating the first mirror structure. The resulting MEMS Fabry-Perot tunable filter is capable for hitless tuning. It can be tuned to between bands directly, i.e., without dropping intervening bands.
대표청구항▼
A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable the tilting of the first mirror structure relative to an optical axis, in addition to translation of the
A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable the tilting of the first mirror structure relative to an optical axis, in addition to translation of the first mirror structure along the optical axis. A second mirror structure is further provided to define an optical cavity in combination with the first mirror structure. At least two drive electrodes are provided for electrostatically tilting and translating the first mirror structure. The resulting MEMS Fabry-Perot tunable filter is capable for hitless tuning. It can be tuned to between bands directly, i.e., without dropping intervening bands. , a central processing unit, optical transmitting means connected to the central processing unit for transmitting data to the docking bays, and optical receiving means connected to the central processing unit far receiving data from the docking bays; the transmitting and receiving means including light guides adapted to carry the data between the central processing unit and the data port of each computer in its respective docking bay, in which each light guide comprises at least one rod of transparent material having a series of branches which are adapted to communicate with individual bays of the housing positioned at different distances from the CPU, and in which each light guide comprises at least one rod of flattened cross-section, each branch being arranged to extend outwardly from the flattened region, and having a width which is less than the width of the rod, whereby a light beam passing through the rod is only partially diverted into the branch. 2. A docking apparatus for a plurality of hand-held computers having optical data ports, comprising: a plurality of docking bays, a central processing unit, optical transmitting means connected to the central processing unit for transmitting data to the docking bays, and optical receiving means connected to the central processing unit far receiving data from the docking bays; the transmitting and receiving means including light guides adapted to carry the data between the central processing unit and the data port of each computer in its respective docking bay, in which each light guide comprises at least one rod of transparent material having a series of branches which are adapted to communicate with individual bays of the housing positioned at different distances from the CPU, and in which each light guide comprises at least one rod of flattened cross-section, each branch being arranged to extend outwardly from the flattened region, and having a width which is less than the width of the rod, whereby a light beam passing through the rod is only partially diverted into the branch; the rod having an aperture formed on the downstream side of the branch remote from the central processing unit, and the upstream side of the aperture being angled so as to extend beneath the base of the branch to form a reflecting surface for a light beam entering or leaving the branch. 3. A docking apparatus for a plurality of hand-held computers having optical data ports, comprising: a plurality of docking bays, a central processing unit, optical transmitting means connected to the central processing unit for transmitting data to the docking bays, and optical receiving means connected to the central processing unit far receiving data from the docking bays; the transmitting and receiving means including light guides adapted to carry the data between the central processing unit and the data port of each computer in its respective docking bay, in which each light guide comprises at least one rod of transparent material having a series of branches which are adapted to communicate with individual bays of the housing positioned at different distances from the CPU, and in which each light guide comprises at least one rod of flattened cross-section, each branch being arranged to extend outwardly from the flattened region, and having a width which is less than the width of the rod, whereby a light beam passing through the rod is only partially diverted into the branch; successive branches, spaced along the light guide, having greater widths in accordance with their distances from the central processing unit so as to divert more light and thus to compensate for reduction in the intensity of the light beam.
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이 특허에 인용된 특허 (3)
Flanders, Dale C.; Whitney, Peter S.; Le, Minh Van; Miller, Michael F.; Shanfield, Stanley R., Integrated tunable fabry-perot filter and method of making same.
Choi, Chang Auck; Lee, Myung Lae; Kim, Chang Kyu; Jun, Chi Hoon; Kim, Youn Tae, Tunable-wavelength optical filter and method of manufacturing the same.
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