发明名称 |
Short pulse lasers using large mode area fibers and higher order modes |
摘要 |
The specification describes an optical fiber device for propagating and recompressing high energy, ultrashort pulses with minimal distortions due to nonlinearity. The device is based on propagation in a higher order mode (HOM) of a few-moded fiber. Coupling into the HOM may be accomplished using long-period gratings. Features of the HOM fiber mode that are useful for high quality pulse compression include large effective area, high dispersion and low dispersion slope. In a preferred case the long period gratings go through a turn-around point (TAP) at the wavelength of operation.
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申请公布号 |
US7228029(B1) |
申请公布日期 |
2007.06.05 |
申请号 |
US20050230905 |
申请日期 |
2005.09.20 |
申请人 |
FURUKAWA ELECTRIC NORTH AMERICA INC. |
发明人 |
RAMACHANDRAN SIDDHARTH;NICHOLSON JEFFREY |
分类号 |
G02B6/26;G02B6/02;H01S3/30 |
主分类号 |
G02B6/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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