JPS56158302A - Light guide - Google Patents
Light guideInfo
- Publication number
- JPS56158302A JPS56158302A JP6240580A JP6240580A JPS56158302A JP S56158302 A JPS56158302 A JP S56158302A JP 6240580 A JP6240580 A JP 6240580A JP 6240580 A JP6240580 A JP 6240580A JP S56158302 A JPS56158302 A JP S56158302A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- light guide
- light
- spacer
- air layer
- 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
- 125000006850 spacer group Chemical group 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
PURPOSE:To ensure a highly efficient transmission even for the light that is incident with a large incident angle to the optical axis of a light guide, by providing a spacer and an air layer on the outer and inner surface of a tube respectively and securing a full reflection on the boundary surface of the air layer. CONSTITUTION:A light guide 5 consists of a flexible and transparent tube 7 filled with the light transmissive liquid 6, a transparent end part member 8 which seals up tightly the openings across the tube 7, and a spiral substance 9 functioning as a spacer which is wound spirally around the outer surface of the tube 7 and has a round section. In such constitution, an air layer A is secured at the side of outer surface of the tube 7 asthe substance 9 functions as a spacer. As a result, a highly efficient transmission is ensured even for the light that is incident with a large incident angle to the optical axis of the light guide in comparison with the conventional case in which a full reflection is given to the boundary surface between the liquid and the inner surface of the tube 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6240580A JPS56158302A (en) | 1980-05-12 | 1980-05-12 | Light guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6240580A JPS56158302A (en) | 1980-05-12 | 1980-05-12 | Light guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56158302A true JPS56158302A (en) | 1981-12-07 |
Family
ID=13199191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6240580A Pending JPS56158302A (en) | 1980-05-12 | 1980-05-12 | Light guide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56158302A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0759567A2 (en) * | 1995-08-17 | 1997-02-26 | World Precision Instruments, Inc. | Aqueous fluid core waveguide |
| KR20010037798A (en) * | 1999-10-20 | 2001-05-15 | 이명일 | Light ray transmission tube using specular reflection |
-
1980
- 1980-05-12 JP JP6240580A patent/JPS56158302A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0759567A2 (en) * | 1995-08-17 | 1997-02-26 | World Precision Instruments, Inc. | Aqueous fluid core waveguide |
| EP0759567A3 (en) * | 1995-08-17 | 1997-08-06 | World Precision Instr Inc | Aqueous fluid core waveguide |
| KR20010037798A (en) * | 1999-10-20 | 2001-05-15 | 이명일 | Light ray transmission tube using specular reflection |
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