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公开(公告)号：US20240226348A9
公开(公告)日：2024-07-11
申请号：US18547616
申请日：2022-02-24
CPC分类号： A61L2/0047 , G02F1/3532 , G02F1/37 , H01S3/0092 , H01S3/109 , H01S3/08004
摘要： The present invention relates to a 399.08-nm wavelength ultraviolet laser light generating device, comprising: an excitation light source part for converting a 1064.2-nm laser light to a second harmonic, and generating a 532.1-nm laser light; an optical parametric oscillating part for generating a 798.15-nm signal light and a 1596.3-nm idler light using the 532.1-nm laser light; a first wavelength converting part for generating a 399.08-nm light by sum frequency generation of the 1596.3 nm idler light and a 532.1-nm light; and a second wavelength converting part for generating a 399.08-nm light of a second harmonic from the 798.15-nm signal light. The order of the first wavelength converting part and the second wavelength converting part is random. The present invention relates to a 228.04-nm wavelength ultraviolet laser light generating device comprising the 399.08-nm wavelength laser light generating device and a third wavelength converting part for subjecting a 399.08-nm light and a 532.1-nm light to sum frequency generation, and generating a 228.04-nm light. The present invention provides a simple device of generating a 228.04-nm laser light which is a deep ultraviolet ray in high efficiency and a simple 399.08-nm ultraviolet laser light generating device usable as a light source thereof.
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公开(公告)号：US20240131208A1
公开(公告)日：2024-04-25
申请号：US18547604
申请日：2022-02-24
CPC分类号： A61L2/0047 , H01S3/08004 , H01S3/1643 , A61L2202/11
摘要： The present invention relates to a 215- to 222-nm wavelength laser light generating device comprising: an excitation light source part for converting a laser light with a wavelength of 1030 to 1064 nm to a second harmonic, and generating a laser light with a wavelength of 515 to 532 nm; an optical parametric oscillating part for generating a signal light with a wavelength of 858 to 887 nm and an idler light with a wavelength of 1288 to 1330 nm using the laser light with the wavelength of 515 to 532 nm as an excitation light; a separating part for separating the signal light and the idler light; a first wavelength converting part for generating a fourth harmonic from the signal light; a second wavelength converting part for generating a deep ultraviolet light with a wavelength of 215 to 222 nm by sum frequency with a second harmonic of the excitation light from the idler light; and a coupling part for coupling the fourth harmonic from the first wavelength converting part and the deep ultraviolet light from the second wavelength converting part. The present invention provides a laser generating device that enables to generate simply and efficiently a pulse laser light with a wavelength of 215 to 222 nm including a wavelength of 222 nm disinfecting microorganisms.
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公开(公告)号：US20240131209A1
公开(公告)日：2024-04-25
申请号：US18547616
申请日：2022-02-24
CPC分类号： A61L2/0047 , G02F1/3532 , G02F1/37 , H01S3/0092 , H01S3/109 , H01S3/08004
摘要： The present invention relates to a 399.08-nm wavelength ultraviolet laser light generating device, comprising: an excitation light source part for converting a 1064.2-nm laser light to a second harmonic, and generating a 532.1-nm laser light; an optical parametric oscillating part for generating a 798.15-nm signal light and a 1596.3-nm idler light using the 532.1-nm laser light; a first wavelength converting part for generating a 399.08-nm light by sum frequency generation of the 1596.3 nm idler light and a 532.1-nm light; and a second wavelength converting part for generating a 399.08-nm light of a second harmonic from the 798.15-nm signal light. The order of the first wavelength converting part and the second wavelength converting part is random. The present invention relates to a 228.04-nm wavelength ultraviolet laser light generating device comprising the 399.08-nm wavelength laser light generating device and a third wavelength converting part for subjecting a 399.08-nm light and a 532.1-nm light to sum frequency generation, and generating a 228.04-nm light. The present invention provides a simple device of generating a 228.04-nm laser light which is a deep ultraviolet ray in high efficiency and a simple 399.08-nm ultraviolet laser light generating device usable as a light source thereof.
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公开(公告)号：US20240226347A9
公开(公告)日：2024-07-11
申请号：US18547604
申请日：2022-02-24
CPC分类号： A61L2/0047 , H01S3/08004 , H01S3/1643 , A61L2202/11
摘要： The present invention relates to a 215- to 222-nm wavelength laser light generating device comprising: an excitation light source part for converting a laser light with a wavelength of 1030 to 1064 nm to a second harmonic, and generating a laser light with a wavelength of 515 to 532 nm; an optical parametric oscillating part for generating a signal light with a wavelength of 858 to 887 nm and an idler light with a wavelength of 1288 to 1330 nm using the laser light with the wavelength of 515 to 532 nm as an excitation light; a separating part for separating the signal light and the idler light; a first wavelength converting part for generating a fourth harmonic from the signal light; a second wavelength converting part for generating a deep ultraviolet light with a wavelength of 215 to 222 nm by sum frequency with a second harmonic of the excitation light from the idler light; and a coupling part for coupling the fourth harmonic from the first wavelength converting part and the deep ultraviolet light from the second wavelength converting part. The present invention provides a laser generating device that enables to generate simply and efficiently a pulse laser light with a wavelength of 215 to 222 nm including a wavelength of 222 nm disinfecting microorganisms.
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