Optical fiber laser structure and system based on ASE pumping of cladding element
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01S-003/30
출원번호
US-0070036
(2002-06-07)
국제출원번호
PCT/US01/24165
(2001-07-31)
국제공개번호
WO02/11255
(2002-02-07)
발명자
/ 주소
Myers, John D.
Myers, Michael J.
출원인 / 주소
Kigre, Inc.
대리인 / 주소
Howard & Howard
인용정보
피인용 횟수 :
3인용 특허 :
13
초록▼
An optical fiber laser structure and system are disclosed. The fiber laser structure includes a core, an inner cladding, and an outer cladding. The core has a first and second end and includes a combination of ytterbium and erbium as a first active gain component. The inner cladding, having a length
An optical fiber laser structure and system are disclosed. The fiber laser structure includes a core, an inner cladding, and an outer cladding. The core has a first and second end and includes a combination of ytterbium and erbium as a first active gain component. The inner cladding, having a length defined between the first and second ends, surrounds the core. The inner cladding includes neodymium as a second active gain component that is different from the first active gain component. The system includes a pumping source coupled to the inner cladding to provide energy to the neodymium in the inner cladding. Upon being pumped, the neodymium achieves amplified spontaneous emission in the inner cladding along the length between the first and second ends. As a result, energy is efficiently transferred from the neodymium to the combination of the ytterbium and erbium in the core thereby providing laser activity at an eye-safe laser wavelength of 1535 nanometers.
대표청구항▼
An optical fiber laser structure and system are disclosed. The fiber laser structure includes a core, an inner cladding, and an outer cladding. The core has a first and second end and includes a combination of ytterbium and erbium as a first active gain component. The inner cladding, having a length
An optical fiber laser structure and system are disclosed. The fiber laser structure includes a core, an inner cladding, and an outer cladding. The core has a first and second end and includes a combination of ytterbium and erbium as a first active gain component. The inner cladding, having a length defined between the first and second ends, surrounds the core. The inner cladding includes neodymium as a second active gain component that is different from the first active gain component. The system includes a pumping source coupled to the inner cladding to provide energy to the neodymium in the inner cladding. Upon being pumped, the neodymium achieves amplified spontaneous emission in the inner cladding along the length between the first and second ends. As a result, energy is efficiently transferred from the neodymium to the combination of the ytterbium and erbium in the core thereby providing laser activity at an eye-safe laser wavelength of 1535 nanometers. therein, the at least one memory socket and the processor location being electrically connected through the circuit traces of the plurality; removing the at least one memory socket from the first surface of the substrate; and mounting at least another memory socket to the second, opposing surface of the substrate and electrically connecting the at least another memory socket to the processor location using the same circuit traces of the plurality by which the at least one memory socket was electrically connected thereto. 2. The method of claim 1, wherein the at least one memory socket includes a plurality of conductive pins soldered in apertures electrically connected to the circuit traces of the plurality, and wherein removing the at least one memory socket includes reflowing the solder. 3. The method of claim 2, wherein the at least another memory socket includes a plurality of conductive pins and wherein mounting the at least another memory socket to the second, opposing surface of the substrate includes inserting the plurality of conductive pins of the at least another memory socket into the apertures and soldering the plurality of conductive pins therein. 4. The method of claim 3, wherein the apertures extend from the first surface of the substrate to the second, opposing surface of the substrate, the apertures being arranged in a first pattern as viewed from the first surface of the substrate and being arranged in a second pattern as viewed from the second, opposing surface of the subtrate and wherein mounting the at least another memory socket to the second, opposing surface of the subtrate includes arranging the plurality of conductive pins on the at least another memory socket to mate with the second pattern of the apertures. ually rotating drive gear. 23. The system of claim 17 wherein the first and second tape cartridges magazines include guide tracks located at opposite ends of the first and second tape cartridge magazines, wherein each of the first and second plurality of individual carriages include a wheel at opposite ends of the individual carriage, and wherein the wheel travels in the guide tracks to guide the individual carriage. 24. The system of claim 1 wherein the first tape cartridge magazine is configured to slidably interface with the second magazine port in the case and the second tape cartridge transport magazine is configured to slidably interface with the first magazine port in the case. 25. The system of claim 1 wherein the first plurality of storage locations in the first tape cartridge magazine comprises eight tape cartridge storage locations and the second plurality of storage locations in the second tape cartridge transport magazine comprises eight tape cartridge storage locations. 26. A method of operating an automated tape cartridge autoloader library system the method comprising: loading a first plurality of tape cartridges into a first tape cartridge magazine; loading a second plurality of tape cartridges into a second tape cartridge magazine; loading an individual one of the first and the second plurality of tape cartridges into a cartridge picker; rotating the cartridge picker to deliver, the individual one of the first and the second plurality of tape cartridges to one of a tape drive, a single cartridge interface, and the first and second tape cartridge magazine, wherein the tape drive, the single cartridge interface, and the first and second tape cartridge magazines are housed in a rectangular case having a form factor less than or equal to three and one half inches in height and configured to fit into a tape library rack mount; and unloading the tape cartridge from the cartridge picker into one of the tape drive single cartridge interface and the first and second tape cartridge magazine. 27. The method of claim 26 the method further comprising: transporting the first plurality of tape cartridges within the first tape cartridge magazine in a first vertical closed loop to position an individual one of the first plurality of tape cartridges for loading into the cartridge picker; loading the individual one of the first plurality of tape cartridges into the cartridge picker; rotating the cartridge picker to deliver the individual one of the first plurality of tape cartridges to one of the tape drive, the single cartridge interface, and the second tape cartridge magazine; and unloading the tape cartridge from the cartridge picker into the one of the tape drive, the single cartridge interface, and the second tape cartridge magazine. 28. The method of claim 27 the method further comprising: responsive to loading the individual one of the first and second plurality of tape cartridges
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이 특허에 인용된 특허 (13)
Scifres Donals R., Apparatus for pumping an optical gain medium with multiple light wavelengths.
David J Mazzarese ; John D Prohaska ; Malcolm Smith ; Kanishka Tankala, Cladding member for optical fibers and optical fibers formed with the cladding member.
Waarts Robert G. (Palo Alto CA) Welch David F. (Menlo Park CA) Sanders Steven (Mountain View CA) Scifres Donald R. (San Jose CA), Double-clad upconversion fiber laser.
Harter Donald J. (Ann Arbor MI) Galvanauskas Almantas (Ann Arbor MI) Fermann Martin E. (Ann Arbor MI), High power fiber chirped pulse amplification systems based on cladding pumped rare-earth doped fibers.
Waarts Robert G. (Palo Alto CA) Welch David F. (Menlo Park CA) Sanders Steven (Mountain View CA) Scifres Donald R. (San Jose CA), Upconversion fiber laser.
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