Invention Application
- Patent Title: METHOD OF CONTROLLING WAVELENGTH OF LASER BEAM AND LASER APPARATUS
- Patent Title (中): 控制激光束和激光装置的波长的方法
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Application No.: US14818939Application Date: 2015-08-05
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Publication No.: US20150340837A1Publication Date: 2015-11-26
- Inventor: Takashi MATSUNAGA , Takahito KUMAZAKI , Osamu WAKABAYASHI
- Applicant: Gigaphoton Inc.
- Applicant Address: JP Tochigi-ken
- Assignee: Gigaphoton Inc.
- Current Assignee: Gigaphoton Inc.
- Current Assignee Address: JP Tochigi-ken
- Priority: JP2013-066813 20130327
- Main IPC: H01S3/137
- IPC: H01S3/137 ; H01S3/13
Abstract:
There is provided a method of controlling the wavelength of a laser beam. The method includes measuring an absolute wavelength of the laser beam; calculating a difference between a reference wavelength and the absolute wavelength of the laser beam; and adjusting the reference wavelength of the laser beam based on the difference between the reference wavelength and the absolute wavelength of the laser beam, at an interval shorter than an interval for which the absolute wavelength of the laser beam is measured.
Public/Granted literature
- US09647411B2 Method of controlling wavelength of laser beam and laser apparatus Public/Granted day:2017-05-09
Information query
