JPS556367A - Production of multilayer film interference filter - Google Patents
Production of multilayer film interference filterInfo
- Publication number
- JPS556367A JPS556367A JP7897378A JP7897378A JPS556367A JP S556367 A JPS556367 A JP S556367A JP 7897378 A JP7897378 A JP 7897378A JP 7897378 A JP7897378 A JP 7897378A JP S556367 A JPS556367 A JP S556367A
- Authority
- JP
- Japan
- Prior art keywords
- interference filter
- multilayer film
- base material
- base
- filter
- 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.)
- Granted
Links
Landscapes
- Optical Filters (AREA)
Abstract
PURPOSE: To provide stable desired filter characteristics by thermally expanding the filter base material deposited with two or more kinds of transparent dielectrics on either of inner or outer wall of a tubular base while making the pressure in the pipe positive thereby adjusting the deposited film thickness of the transparent dielectric to a desired value.
CONSTITUTION: SiO2-GeO2 base glass and SiO2-B2O3 base glass are alternately chemically evaporated on the inside wall of a tubular base 21 composed of quartz glass tube to form a multilayer film interference filter base material 20 having a transparent dielectric deposited layer 22 as A process. Next, as B process, the inside diameter of this multilayer film interference filter base material 20 is heated and gradually expanded while the pressure therein is being made positive, whereby the thickness of the transparent dielectric layer 22 is reduced down to a required value. As the final C process, a plate-form multilayer film interference filter 10 is cut out from the tubular multiplayer interference film base material 20, whereby the multilayer interference filter 10 having required filter characteristics is produced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7897378A JPS556367A (en) | 1978-06-28 | 1978-06-28 | Production of multilayer film interference filter |
US06/008,979 US4243398A (en) | 1978-02-09 | 1979-02-02 | Method of producing dielectric diffraction gratings or dielectric multilayer interference filters |
GB7904222A GB2017331B (en) | 1978-02-09 | 1979-02-07 | Method of producing dielectric diffraction gratings |
CA000321088A CA1111683A (en) | 1978-02-09 | 1979-02-08 | Method of producing dielectric diffraction gratings or dielectric multilayer interference filters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7897378A JPS556367A (en) | 1978-06-28 | 1978-06-28 | Production of multilayer film interference filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS556367A true JPS556367A (en) | 1980-01-17 |
JPS6138442B2 JPS6138442B2 (en) | 1986-08-29 |
Family
ID=13676836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7897378A Granted JPS556367A (en) | 1978-02-09 | 1978-06-28 | Production of multilayer film interference filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS556367A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02259602A (en) * | 1988-11-14 | 1990-10-22 | General Electric Co <Ge> | Tantal oxide-silica interference filter and lamp using the same |
JPH03233501A (en) * | 1990-02-09 | 1991-10-17 | Copal Co Ltd | Optical multilayered film filter element and production thereof |
-
1978
- 1978-06-28 JP JP7897378A patent/JPS556367A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02259602A (en) * | 1988-11-14 | 1990-10-22 | General Electric Co <Ge> | Tantal oxide-silica interference filter and lamp using the same |
JPH0816726B2 (en) * | 1988-11-14 | 1996-02-21 | ゼネラル・エレクトリック・カンパニイ | Tantalum oxide-silica interference filter, substrate using it, interference filter and electric lamp |
JPH03233501A (en) * | 1990-02-09 | 1991-10-17 | Copal Co Ltd | Optical multilayered film filter element and production thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS6138442B2 (en) | 1986-08-29 |
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