JPS6296621U - - Google Patents
Info
- Publication number
- JPS6296621U JPS6296621U JP18833185U JP18833185U JPS6296621U JP S6296621 U JPS6296621 U JP S6296621U JP 18833185 U JP18833185 U JP 18833185U JP 18833185 U JP18833185 U JP 18833185U JP S6296621 U JPS6296621 U JP S6296621U
- Authority
- JP
- Japan
- Prior art keywords
- birefringent plate
- filter
- optical
- multilayer film
- deposited
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Description
第１図は本考案に係る光学的ローパスフイルタ
の一実施例の断面図、第２図は複屈折板の片面に
赤外線カツトコートを施したフイルタの断面図、
第３図は赤外線カツトガラスと複屈折板とを組合
せたフイルタの断面図である。
１…複屈折板、２…赤外線カツトコート、３…
赤外線カツトガラス、４…反射防止コート、５…
光学多層膜。
FIG. 1 is a sectional view of an embodiment of an optical low-pass filter according to the present invention, and FIG. 2 is a sectional view of a filter in which an infrared cut coat is applied to one side of a birefringent plate.
FIG. 3 is a sectional view of a filter that combines an infrared cut glass and a birefringent plate. 1... Birefringent plate, 2... Infrared cut coat, 3...
Infrared cut glass, 4...Anti-reflection coating, 5...
Optical multilayer film.
Claims (1)
厚さを有する複屈折板の表裏面に蒸着したことを
特徴とする光学的ローパスフイルタ。 An optical low-pass filter characterized in that an optical multilayer film constituting the filter is deposited on the front and back surfaces of a birefringent plate having a predetermined thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18833185U JPS6296621U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18833185U JPS6296621U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6296621U true JPS6296621U (en) | 1987-06-19 |
Family
ID=31139592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18833185U Pending JPS6296621U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6296621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005010575A1 (en) * | 2003-07-24 | 2005-02-03 | Seiko Epson Corporation | Optical multilayer film filter, production method for optical multilayer film filter, optical low-pass filter, and electronic equipment system |
| JP2006178261A (en) * | 2004-12-24 | 2006-07-06 | Seiko Epson Corp | Dielectric multilayer film filter and optical member |
-
1985
- 1985-12-06 JP JP18833185U patent/JPS6296621U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005010575A1 (en) * | 2003-07-24 | 2005-02-03 | Seiko Epson Corporation | Optical multilayer film filter, production method for optical multilayer film filter, optical low-pass filter, and electronic equipment system |
| JP2006178261A (en) * | 2004-12-24 | 2006-07-06 | Seiko Epson Corp | Dielectric multilayer film filter and optical member |