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公开(公告)号：JPH0777715A
公开(公告)日：1995-03-20
申请号：JP22455493
申请日：1993-09-09
Applicant: SUMITA OPTICAL GLASS , NIPPON TELEGRAPH & TELEPHONE
Inventor： OWAKI JUNICHI , OU UKO , SAWANOBORI SHIGETO , NAGAHAMA SHINOBU
Abstract: PURPOSE:To attain practical converting efficiency and sensitivity to infrared ray of 1.3mum band of optical communication band by incorporating at least dysprosium (Dy) or its salt. CONSTITUTION:The material contains at least Dy and its salt or Dy and erbium (Er) or these salts as additives act as the center of adsorption and emission and contains at least Ba and Cl or Ba compound or Cl compound which does not contain oxygen and fluorine as a base material capable of stably fetching them. In this case, Ca, Sr, Y, La, Gd, Lu, Pb, Ti, Bi, K, Na or the like is used in place of Ba. As a result, the material having excellent sensitivity to the infrared ray of optical wavelength of 1.3mum band, to which the conventional material does not show practical sensitivity without previous exitation, and free from the change of visual light emission intensity at the time of continuously irradiating with infrared ray. The extremely useful element capable of visually detecting infrared ray is obtained.
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公开(公告)号：JPH06247741A
公开(公告)日：1994-09-06
申请号：JP3181793
申请日：1993-02-22
Applicant: SUMITA OPTICAL GLASS , NIPPON TELEGRAPH & TELEPHONE
Inventor： OU UKO , OWAKI JUNICHI , SAWANOBORI SHIGETO , NAGAHAMA SHINOBU
Abstract: PURPOSE:To obtain a material for changing the wavelength of IR or visible rays upward not requiring preliminary excitation, having higher changing efficiency and enhanced sensitivity to IR having 1.5mum, 0.98mum or 0.8mum band wavelength as compared with a conventional material and applicable to an IR detecting element, a laser display, etc. CONSTITUTION:This material for changing the wavelength of IR or visible rays upward is made of an inorg. material contg. at least erbium fluoride (ErF3), yttrium fluoride (YF3), barium fluoride (BaF2) and zinc fluoride (ZnF2) as essential components.
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公开(公告)号：JPH06102550A
公开(公告)日：1994-04-15
申请号：JP5024893
申请日：1993-03-11
Applicant: NIPPON TELEGRAPH & TELEPHONE , SUMITA OPTICAL GLASS
Inventor： OWAKI JUNICHI , SHIBUKAWA ATSUSHI , OU UKO , SAWANOBORI SHIGETO , NAGAHAMA SHINOBU
Abstract: PURPOSE:To provide the IR visible wavelength upper conversion material which does not require preliminary excitation and is applicable to a detecting element capable of visually detecting IR light by using an inorg. material contg. two kinds of elements; erbium (Er) and chlorine or the compd. thereof. CONSTITUTION:This IR visible wavelength upper conversion material contains at least the Er or the chloride of the Er as the additive to play the role of a light emission center. Compds of Y, Pb, K, Ba, Na, Ag without contg. oxygen are used as the base material. The chlorides of these elements are more particularly preferable. This IR visible wavelength upper conversion material has high conversion efficiency in wavelength upper conversion from a 1.5mum band to a visible region and is capable of stably maintaining the wavelength conversion efficiency from irradiating light to visible light and visible light emission intensity over a long period of time. The light emission spectra of the case the TR visible wavelength upper conversion material is excited by IR light of 1.5mum band wavelength are as shown in Fig.
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公开(公告)号：JPH0617246B2
公开(公告)日：1994-03-09
申请号：JP22573185
申请日：1985-10-09
Applicant: SUMITA OPTICAL GLASS
Inventor： KOMYA MASAYUKI , UEDA KAZUYUKI , NAGAHAMA SHINOBU
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公开(公告)号：JPH0632631A
公开(公告)日：1994-02-08
申请号：JP19076392
申请日：1992-07-17
Applicant: SUMITA OPTICAL GLASS
Inventor： BABA NOBUYOSHI , NAGAHAMA SHINOBU , SAWANOBORI SHIGETO
Abstract: PURPOSE:To provide optical glass having low refractive index and high dispersion, moldable by precision press at a lower temperature
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Patent Agency Ranking
公开(公告)号：JPH05193979A
公开(公告)日：1993-08-03
申请号：JP1003992
申请日：1992-01-23
Applicant: SUMITA OPTICAL GLASS
Inventor： KOMIYA MASAYUKI , NAGAHAMA SHINOBU , SAWANOBORI SHIGETO
Abstract: PURPOSE:To provide optical glass capable of precision press forming at a low temp., requiring no grinding or polishing after precision press forming and having such optical constants as a specified refractive index and a specified Abbe's number. CONSTITUTION:This optical glass for precision press forming is low refractive index and low dispersion optical glass having a compsn. consisting of, by weight, 39-65% SiO2, 10-38% B2O3, 9-18%, in total, of 3-12% Li2O, 0-7% Na2O and 0-6.5% K2O, 5-15% Al2O3, 0-6% MgO, 0-6% CaO and 0-6% BaO and having
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公开(公告)号：JPH0551233A
公开(公告)日：1993-03-02
申请号：JP20807691
申请日：1991-08-20
Applicant: SUMITA OPTICAL GLASS
Inventor： KOMIYA MASAYUKI , NAKAHATA KOJI , NAGAHAMA SHINOBU
Abstract: PURPOSE:To provide optical glass for precision press molding capable of precision press molding at a low temp. and not requiring grinding or polishing after precision press molding. CONSTITUTION:This optical glass has a compsn. consisting of, by weight, 20-27%, in total, of 10-20% SiO2, 3-15% GeO2 and 0-7% B2O3, 44-54%, in total, of 19-29% TiO2, 17-29% Nb2O5 and 0-7% BaO, and 24-33%, in total of 0-3% Li2O, 7-18% Na2O, 0-22% K2O and 0-20% Cs2O, =1.76 refractive index (nd),
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公开(公告)号：JPS6287432A
公开(公告)日：1987-04-21
申请号：JP22573185
申请日：1985-10-09
Applicant: SUMITA OPTICAL GLASS
Inventor： KOMIYA MASAYUKI , UEDA KAZUYUKI , NAGAHAMA SHINOBU
Abstract: PURPOSE:To provide an optical glass having a specific composition composed of SiO2, B2O3, TiO2, Nb2O5, PbO, Li2O, Na2O, K2O, BaO, ZnO, GeO2 and ZrO2, having low yielding temperature and stably moldable at a relatively low temperature by precision molding. CONSTITUTION:The objective optical glass is composed of 23-34(wt)% SiO2, 5-11% B2O3, 25-50% two or more kinds of TiO2, Nb2O5 and PbO (provided that TiO2 is 0-20%, Nb2O5 is 0-14% and PbO is 0-45%), 9-18% two or more kinds of Li2O, Na2O and K2O (provided that Li2O is 0.5-5%, Na2O is 0-9% and K2O is 0-11%), 0-12% BaO, 0-8% ZnO, 0-3% GeO2 and 0-3% ZrO2 and having the following physical properties: yielding temperature At
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公开(公告)号：JP2007275198A
公开(公告)日：2007-10-25
申请号：JP2006103552
申请日：2006-04-04
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： TAGAWA MASAFUMI , YAMAZAKI MASAAKI , ISHII OSAMU , NAGAHAMA SHINOBU
CPC classification number: A61B1/0653
Abstract: PROBLEM TO BE SOLVED: To provide a light source unit which can secure a sufficient light quantity by relatively low electric power while attaining downsizing and reducing the number of parts.
SOLUTION: The light source unit 1 for emitting light to the outside comprises an optical fiber 4 for emitting the light from one end, a blue semiconductor laser element 5 for making excitation light be incident on the other end of the optical fiber 4, and dichroic mirrors 6 and 7 disposed on both end sides of the optical fiber 4 and constituting a laser resonator. The core of the optical fiber 4 is formed of glass containing praseodymium ions which emit wavelength converted light when excited by the excitation light of the semiconductor laser element 5, the wavelength of the excitation light is amplified while being converted in the optical fiber 4, and the white light of a rich light quantity is emitted from an emission port part 3.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种光源单元，其能够通过相对低的功率确保足够的光量，同时实现小型化和减少部件数量。 解决方案：用于向外部发光的光源单元1包括用于从一端发射光的光纤4，用于使激发光入射到光纤4另一端的蓝色半导体激光元件5 以及配置在光纤4的两端侧并构成激光谐振器的分色镜6,7。 光纤4的芯由含有镭离子玻璃的玻璃构成，当由半导体激光元件5的激发光激发时发射波长转换的光，激发光的波长在光纤4中被转换而被放大; 从发射口部分3发出富光量的白光。版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007258466A
公开(公告)日：2007-10-04
申请号：JP2006081295
申请日：2006-03-23
Applicant: Sumita Optical Glass Inc , Toyoda Gosei Co Ltd , 株式会社住田光学ガラス , 豊田合成株式会社
Inventor： YAMAZAKI MASAAKI , ISHII OSAMU , SAWANOBORI SHIGETO , NAGAHAMA SHINOBU , SUEHIRO YOSHINOBU , IWAYAMA AKIRA , NAKAMURA AKIRA
IPC: F21V8/00 , F21Y101/02 , G02B6/00 , H01L33/32 , H01L33/50 , H01L33/56 , H01L33/60 , H01L33/62 , H01S5/022
Abstract: PROBLEM TO BE SOLVED: To provide an illuminating device and a light-emitting device wherein the variation of the intrinsic color-tone of an illuminated object, etc. which are based on the color separation of its flooding light, etc. are suppressed, and a high light utilizing efficiency is realized. SOLUTION: In the illuminating device and the light-emitting device, a light source 5 is constituted out of the one having a blue semiconductor light emitting element for emitting an exciting light, and a light guiding member 4 is constituted out of a fluorescent fiber 4 having a core 40 and a clad 41. Furthermore, the core 40 guides an exciting light (a) in Fig.2 emitted from a blue semiconductor laser element 50 from its one end surface to its other end surface, and contains the fluorescence for emitting a wave-length converting light by so receiving the exciting light (a) in Fig.2 from the blue semiconductor laser element 50 as to be excited. Moreover, the clad 41 has on its outer peripheral surface a light flooding surface for flooding as a flooding light (output light) (b) in Fig.2 at least a portion of the mixed light of the wave-length converting light with the exciting light (a) in Fig.2. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：提供一种照明装置和发光装置，其中基于其泛光灯的颜色分离等的照明物体等的本征色调的变化是 抑制，实现高光利用效率。 解决方案：在照明装置和发光装置中，由具有用于发射激发光的蓝色半导体发光元件的光源5构成，并且导光部件4由 具有芯40和包层41的荧光纤维4.此外，芯40将从蓝色半导体激光元件50发射的图2中的激发光（a）从其一个端面引导到另一端面，并且包含 通过接收来自蓝色半导体激光元件50的激励的图2中的激发光（a）发射波长转换光的荧光。 此外，包层41在其外周面上具有用于在图2中用作淹没光（输出光）（b）淹没的光驱表面，波长转换光的混合光的至少一部分具有令人兴奋的 光（a）在图2中。 版权所有（C）2008，JPO＆INPIT
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