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61. 发明专利

JP2003124553A LASER OSCILLATING DEVICE 审中-公开
公开(公告)号：JP2003124553A
公开(公告)日：2003-04-25
申请号：JP2001315818
申请日：2001-10-12
申请人： TOPCON CORP
发明人： MOMIUCHI MASAYUKI , KONO TAIZO , SAGEHASHI HIDEO
IPC分类号： G02F1/37 , H01S3/042 , H01S3/109
摘要： PROBLEM TO BE SOLVED: To exactly satisfy a phase matching condition of a nonlinear crystal of a nonlinear optical medium. SOLUTION: A laser oscillating device provided with a laser beam emitting part for emitting stimulation light, an optical resonant part 22 comprising at least a laser crystal 4 and an output mirror 6, a nonlinear optical medium 5 that is inserted into the optical resonant part and generates a secondary higher harmonic wave from a fundamental wave oscillated by the laser crystal, and a driving means for driving the laser beam emitting part. Related to the laser oscillating device, the nonlinear optical medium is held by a nonlinear optical medium holder 43, and the nonlinear optical medium holder can rotates around at least the axes in two directions crossing an optical axis 10 passing through the optical resonant part.

62. 发明专利

JP2002040271A TERMINAL STRUCTURE FOR OPTICAL FIBER AND METHOD FOR TREATING TERMINAL OF OPTICAL FIBER 失效
公开(公告)号：JP2002040271A
公开(公告)日：2002-02-06
申请号：JP2000231578
申请日：2000-07-31
申请人： TOPCON CORP
发明人： MOMIUCHI MASAYUKI
IPC分类号： G02B6/42 , G02B6/02 , G02B6/10
摘要： PROBLEM TO BE SOLVED: To provide a simple, lightweight and inexpensive terminal structure for an optical fiber. SOLUTION: In the terminal structure for the optical fiber, an optical filler 15 is provided in the end surface of the optical fiber 1, and the optical fiber is optically connected to the optical filler 1.

63. 发明专利

JP2001087403A LASER OPERATING SYSTEM 失效
公开(公告)号：JP2001087403A
公开(公告)日：2001-04-03
申请号：JP27201399
申请日：1999-09-27
申请人： TOPCON CORP
发明人： SAGEHASHI HIDEO , KOBAYASHI KATSUHIKO , MOMIUCHI MASAYUKI
IPC分类号： A61B18/20 , A61N5/06
摘要： PROBLEM TO BE SOLVED: To provide a laser operating system with which a laser radiation condition can be easily set to a suitable value while eliminating the burden on an operator without depending on the knowledge and experience of the operator. SOLUTION: In the laser operating system which has a laser beam projection system for irradiating the part to be treated with laser beams for treatment and can arbitrarily set the laser radiation condition of these laser beams for treatment composed of output, spot diameter and irradiaiton time at least, this system is provided with a storage part 17 for previously storing the standard laser irradiation condition corresponding to the name of a disease or treatment condition of the part to be treated and a display part 21 for displaying the standard laser irradiation condition stored in the storage part corresponding to the prescribed treatment condition by inputting that treatment condition, and constituted so as to set the laser irradiation condition on the basis of the standard laser irradiation condition displayed on this display part, only by selecting the name of the disease or part to be treated, the standard laser irradiation condition corresponding to that name of hte disease or part to be treated can be known and on the basis of this laser irradiation condition, the proper irradiation condition can be set.

64. 发明专利

JP2001008945A LASER SURGICAL INSTRUMENT 失效
公开(公告)号：JP2001008945A
公开(公告)日：2001-01-16
申请号：JP18198399
申请日：1999-06-28
申请人： TOPCON CORP
发明人： OYAGI WATARU , SAGEHASHI HIDEO , KOBAYASHI KATSUHIKO , MOMIUCHI MASAYUKI
IPC分类号： A61B18/20 , A61F9/007
摘要： PROBLEM TO BE SOLVED: To change light intensity distribution at irradiation position to desired state by making it possible to variably set the light intensity distribution in the spot of laser beam for treatment that is irradiated to a treatment part. SOLUTION: A laser beam for treatment 4 and a laser beam for sighting 5 are guided with optical fiber 8 and a laser beam emitted from the optical fiber 8 is paralleled with the first lens group 9. The second lens group 10, which is movable along optic axis, is set and the laser beam is focused to the treatment part with the third lens group 11. A variable setting means for light intensity distribution 13 sets a changing motor for light intensity distribution 15 of its rotation axis to be paralleled with the optic axis of delivery optical system 6 and fixes a circular filter support disc 16 on the rotation axis of changing motor for light intensity distribution 15. The filter support disc 16 is set to be adjacent to the emitting end of optical fiber 8 to rotate. The floodlighting window is set by drilling at the divided position required on the same circumference for the filter support disc 16. The light intensity distribution changing filter, which has different property, on the floodlighting window.

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