JPS5990812A - Light source device - Google Patents
Light source deviceInfo
- Publication number
- JPS5990812A JPS5990812A JP57201490A JP20149082A JPS5990812A JP S5990812 A JPS5990812 A JP S5990812A JP 57201490 A JP57201490 A JP 57201490A JP 20149082 A JP20149082 A JP 20149082A JP S5990812 A JPS5990812 A JP S5990812A
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflector
- optical fiber
- reflecting mirror
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Microscoopes, Condenser (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は顕微鏡等の光学装置の照明として用いる光学繊
維束を使った光源装置である。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is a light source device using an optical fiber bundle used as illumination for an optical device such as a microscope.
従来例の構成とその問題点
従来の光源装置は第１図にその具体構成を示すように、
回転楕円体形状をした反射鏡１の第１の焦点Ｆ１に発光
源２を設け、光学繊維束３の受光部４は反射鏡１の第２
の焦点Ｆ２の近傍にあり、その軸心ｄは反射鏡１の長軸
すと一致していた。Conventional configuration and its problems The conventional light source device has a specific configuration as shown in Fig. 1.
A light emitting source 2 is provided at the first focal point F1 of the reflecting mirror 1 having the shape of a spheroid, and the light receiving part 4 of the optical fiber bundle 3 is located at the second focal point F1 of the reflecting mirror 1.
, and its axis d coincided with the long axis of the reflecting mirror 1.
そのため第２図に示すように、斜線部Ｓ′の領域には反
射鏡１による反射光かてないため、受光部４の光量分布
は中心が少なく、外周部が多くなるという欠点を有して
いた。また第３図に示すように、たとえはハロゲン電球
のごとく発光源２の前面に突起部を有する場合には、光
学繊維束３の中心部の光量がさらに低下するという欠点
を有していた。Therefore, as shown in FIG. 2, since the light reflected by the reflecting mirror 1 is not reflected in the shaded area S', the light intensity distribution of the light receiving part 4 has the disadvantage that the light amount distribution is small at the center and large at the outer periphery. Ta. Further, as shown in FIG. 3, when the light emitting source 2 has a protrusion on the front surface, such as a halogen light bulb, there is a drawback that the amount of light at the center of the optical fiber bundle 3 is further reduced.
発明の目的
本発明は上記欠点に鑑み、光量の分布が均一な光源装置
を提供するものである。OBJECTS OF THE INVENTION In view of the above drawbacks, the present invention provides a light source device with uniform distribution of light quantity.
本発明の他の目的は、−個の発光源からの光を効率よく
複数の光学繊維束で受光し、−個の発光源で複数箇所を
効率よく照明できる光源装置を提供することである。Another object of the present invention is to provide a light source device that can efficiently receive light from - light emitting sources with a plurality of optical fiber bundles and efficiently illuminate a plurality of locations with - light emitting sources.
本発明のさらに他の目的は、発光源から効率よく光を受
光し、光量分布が均一でかつ光量が多い光源装置を提供
することである。Still another object of the present invention is to provide a light source device that efficiently receives light from a light emitting source, has a uniform light amount distribution, and has a large amount of light.
発明の構成
本発明は回転楕円体形状をした反射鏡と、前記反射鏡の
第１の焦点に設けた発光源と、前記反射鏡の第２の焦点
の近傍で、かつ前記反射鏡による反射光の照射領域に受
光部を設けた、少なくとも１本の光学繊維束より構成さ
れており、光量分布が均一で、１個の発光源より複数個
の照明を得ることができるという効果を有している。Structure of the Invention The present invention includes a reflecting mirror having a spheroidal shape, a light emitting source provided at a first focal point of the reflecting mirror, and a light emitting source provided near a second focal point of the reflecting mirror, and a source of light reflected by the reflecting mirror. It is composed of at least one optical fiber bundle with a light receiving part provided in the irradiation area, and has the effect that the light amount distribution is uniform and multiple illuminations can be obtained from one light emitting source. There is.
さらに前記光学繊維束の一端を複数本の受光部より構成
し、他端を１束とすることにより、効率よく発光源の光
が受光でき光量の多い光源装置を得ることができるとい
う効果を発揮する。Furthermore, by configuring one end of the optical fiber bundle with a plurality of light receiving sections and the other end as one bundle, it is possible to obtain a light source device that can efficiently receive light from a light emitting source and has a large amount of light. do.
実施例の説明
以下本発明の１実施例について、図面を参照にしながら
説明する。DESCRIPTION OF EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.
第４図は本発明の第１の実施例を示すものである。第４
図において、１０は回転楕円体形状をした反射鏡、１１
は発光源、１２は光学繊維束である１２発光源１１は回
転楕円体形状をした反射鏡１０の焦点Ｆ１に設けられて
おり、光学繊維束１２の受光部１３は反射鏡１０の第２
の焦点Ｆ２の近傍に設けられ、かつその而は反射鏡１ｏ
の第２の焦点Ｆ２に向いているさらに光学繊維束１２の
受光部１３は、反射鏡１０の第２の焦点Ｆ２と反射鏡１
０の端部を結ぶ線で１と、反射鏡１０の第２の焦点Ｆ２
から発光源１１への接線４２とのなす領域、すなわち反
射鏡１０による反射光が発光源１１によ−〕てさえき゛
られる領域を除く、反射鏡１ｏによる反射光の照射領域
Ａに配置されている。FIG. 4 shows a first embodiment of the present invention. Fourth
In the figure, 10 is a spheroid-shaped reflecting mirror, 11
12 is a light emitting source, and 12 is an optical fiber bundle. The light emitting source 11 is provided at the focal point F1 of the reflecting mirror 10 having a spheroid shape, and the light receiving part 13 of the optical fiber bundle 12 is located at the second point of the reflecting mirror 10.
is provided in the vicinity of the focal point F2 of the reflector 1o.
Furthermore, the light receiving section 13 of the optical fiber bundle 12 faces the second focal point F2 of the reflecting mirror 10 and the reflecting mirror 1.
A line connecting the ends of 0 and 1 and the second focal point F2 of the reflecting mirror 10
It is arranged in the irradiation area A of the reflected light by the reflecting mirror 1o, excluding the area formed by the tangent line 42 to the light emitting source 11, that is, the area where the reflected light by the reflecting mirror 10 is even blocked by the light emitting source 11. .
反射鏡１０の第１の焦点Ｆ１に設けられた発光源１１の
光は反射鏡１０で反射すると、第２の焦点Ｆ２に集光す
るため、反射鏡１Ｑによる光の照射領域への光量分布は
、第２の集魚Ｆ２からの距離が等しい面上においてほぼ
均一となり、寸た光量も反射鏡１０の反射光が発光源１
１でさえぎられる中央部に比べ多い。When the light from the light emitting source 11 provided at the first focal point F1 of the reflective mirror 10 is reflected by the reflective mirror 10, it is condensed at the second focal point F2. Therefore, the light amount distribution to the irradiation area by the reflective mirror 1Q is , the distance from the second fish collection F2 is almost uniform on the plane, and the amount of light reflected from the reflecting mirror 10 is approximately equal to that of the light emitting source 1.
This is more than the central area, which is blocked by 1.
以上のように本実施例によれば、光学繊維束１２の受光
面１３を反射鏡１０による反射光の照射領域に設けるこ
とにより、光量分布が均一な光源装置が得られる。As described above, according to this embodiment, by providing the light-receiving surface 13 of the optical fiber bundle 12 in the irradiation area of the reflected light by the reflecting mirror 10, a light source device with a uniform light amount distribution can be obtained.
次に本発明の第２の実施例について、図面を参照しなが
ら説明する〇
第５図は本発明の第２の実施例を示すものである。第４
図と同様１０は反射鏡、１１は発光源である。１４ａ、
１４ｂは光学繊維束であり、反射鏡１０の反射光の照射
領域Ａに設けられている。Next, a second embodiment of the present invention will be described with reference to the drawings. Figure 5 shows the second embodiment of the present invention. Fourth
As in the figure, 10 is a reflecting mirror, and 11 is a light emitting source. 14a,
Reference numeral 14b denotes an optical fiber bundle, which is provided in the irradiation area A of the reflected light of the reflecting mirror 10.
第６図は第２の実施例を示す光源装置の斜視図であり、
１６はカバー、１６は冷却用のファンである。第５図、
第６図では光学繊維束は２本だけ図示されているが、必
要に応じて光学繊維束を複数本設けることができる。FIG. 6 is a perspective view of a light source device showing a second embodiment,
16 is a cover, and 16 is a cooling fan. Figure 5,
Although only two optical fiber bundles are shown in FIG. 6, a plurality of optical fiber bundles can be provided as required.
第２の実施例によれば、光学繊維束を複数本設けること
により、１個の発光源より、光量分布の均一な複数の照
明をとり出すことができる。According to the second embodiment, by providing a plurality of optical fiber bundles, it is possible to extract a plurality of illuminations with uniform light quantity distribution from one light emitting source.
次に本発明の第３の実施例について第７図を参照しなが
ら説明する。第４図と同様に１０は反射鏡１１は発光源
である。第４図と異なるところは光学繊維束１７の１端
は受光部１８ａ、１８ｂよりなり、他端が１束となって
おり、受光部１８ａ。Next, a third embodiment of the present invention will be described with reference to FIG. Similarly to FIG. 4, reference numeral 10 designates a reflecting mirror 11 as a light emitting source. The difference from FIG. 4 is that one end of the optical fiber bundle 17 is composed of light receiving sections 18a and 18b, and the other end is a single bundle, which is the light receiving section 18a.
１８ｂは反射鏡１０の近傍でかつ反射鏡１ｏによる反射
光の照射領域Ａに設けられている。第７図では光学繊維
束の受光部は２個だけ図示されているが３個以上の受光
部を設けてもよい０第３の実施例によれは、光学繊維束
の受光部を複数個設け、他端を１束とすることにより、
光源の光を効率よく受光でき、光量の多い光源装置を得
ることができる。18b is provided in the vicinity of the reflecting mirror 10 and in the irradiation area A of the light reflected by the reflecting mirror 1o. Although only two light receiving sections of the optical fiber bundle are shown in FIG. 7, three or more light receiving sections may be provided. According to the third embodiment, a plurality of light receiving sections of the optical fiber bundle may be provided. , by making the other end into one bundle,
It is possible to obtain a light source device that can efficiently receive light from a light source and has a large amount of light.
発明の効果
以上のように本発明は、反射鏡による反射光の照射領域
に光学繊維束の受光部を設けることにより、光量分布が
均一で光量の多い光源装置を得ることができる。Effects of the Invention As described above, the present invention provides a light source device with a uniform light distribution and a large amount of light by providing a light receiving section of an optical fiber bundle in the irradiation area of the reflected light from the reflecting mirror.
第１図、第２図、第３図は従来例を示す断面図、第４図
は本発明の第１の実施例における光源装置の断面図、第
５図は第２の実施例を示す断面図、第５図は第２の実施
例を示す断面図、第６図は同第２の実施例を示す斜視図
、第７図は第３の実施例を示す断面図である。
１ｏ・・・・・・反射鏡、１１・・・・・・発光源、１
２・・・・・・光学繊維束、１４ａ、１４ｂ・・・・・
・光学繊維束、１７・・・・・・光学繊維束。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第２図
第３図
４図1, 2, and 3 are sectional views showing a conventional example, FIG. 4 is a sectional view of a light source device according to a first embodiment of the present invention, and FIG. 5 is a sectional view showing a second embodiment. 5 is a sectional view showing the second embodiment, FIG. 6 is a perspective view showing the second embodiment, and FIG. 7 is a sectional view showing the third embodiment. 1o... Reflector, 11... Light emitting source, 1
2...Optical fiber bundle, 14a, 14b...
- Optical fiber bundle, 17... Optical fiber bundle. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 3 Figure 4
Claims (2)
１の焦点に設けた発光源と、前記反射鏡の第２の焦点の
近傍で、かつ前記反射鏡による反射光の照射領域に受光
部を設けた、少々くとも１本の光学繊維束゛よりなる光
源装置。(1) A spheroid-shaped reflecting mirror, a light emitting source provided at the first focal point of the reflecting mirror, and an irradiation area of light reflected by the reflecting mirror in the vicinity of the second focal point of the reflecting mirror. A light source device consisting of at least one optical fiber bundle, which is provided with a light receiving section.
、他端が１束となった特許請求の範囲第１項記載の光源
装置。(2) The light source device according to claim 1, wherein one end of the optical fiber bundle is made up of a plurality of light receiving sections, and the other end is one bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57201490A JPS5990812A (en) | 1982-11-16 | 1982-11-16 | Light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57201490A JPS5990812A (en) | 1982-11-16 | 1982-11-16 | Light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5990812A true JPS5990812A (en) | 1984-05-25 |
Family
ID=16441919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57201490A Pending JPS5990812A (en) | 1982-11-16 | 1982-11-16 | Light source device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02135307A (en) * | 1988-11-16 | 1990-05-24 | Iwasaki Electric Co Ltd | Optical transmission link |
| JPH04107209U (en) * | 1991-02-28 | 1992-09-16 | 株式会社小糸製作所 | Vehicle lighting |
| JP2015005542A (en) * | 2013-06-19 | 2015-01-08 | キヤノン株式会社 | Light source device, and lithographic apparatus |
-
1982
- 1982-11-16 JP JP57201490A patent/JPS5990812A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02135307A (en) * | 1988-11-16 | 1990-05-24 | Iwasaki Electric Co Ltd | Optical transmission link |
| JPH04107209U (en) * | 1991-02-28 | 1992-09-16 | 株式会社小糸製作所 | Vehicle lighting |
| JP2015005542A (en) * | 2013-06-19 | 2015-01-08 | キヤノン株式会社 | Light source device, and lithographic apparatus |
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