发明名称 |
Pulse laser apparatus, terahertz measuring apparatus, and terahertz tomographic apparatus |
摘要 |
A pulse laser apparatus includes a laser configured to generate a pulse of a laser beam, a fiber amplifier, and a pulse compressor. The fiber amplifier includes a rare-earth doped fiber that exhibits normal dispersion at a wavelength of the laser beam generated from the laser. The pulse laser apparatus further includes a unit configured to give a loss to energy portions in a wavelength region corresponding to a zero-dispersion wavelength of the rare-earth doped fiber and/or a wavelength region longer than the zero-dispersion wavelength within a wavelength spectrum of the laser beam having been chirped in the fiber amplifier. |
申请公布号 |
US8179932(B2) |
申请公布日期 |
2012.05.15 |
申请号 |
US201113093804 |
申请日期 |
2011.04.25 |
申请人 |
OUCHI TOSHIHIKO;KATAGIRI TAKASHI;FURUSAWA KENTARO;CANON KABUSHIKI KAISHA |
发明人 |
OUCHI TOSHIHIKO;KATAGIRI TAKASHI;FURUSAWA KENTARO |
分类号 |
H01S3/067 |
主分类号 |
H01S3/067 |
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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