JPS61223802A - 光学フイルタ - Google Patents
光学フイルタInfo
- Publication number
- JPS61223802A JPS61223802A JP60066082A JP6608285A JPS61223802A JP S61223802 A JPS61223802 A JP S61223802A JP 60066082 A JP60066082 A JP 60066082A JP 6608285 A JP6608285 A JP 6608285A JP S61223802 A JPS61223802 A JP S61223802A
- Authority
- JP
- Japan
- Prior art keywords
- half mirror
- mirror
- mtf
- optical filter
- minimum
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 50
- 239000011521 glass Substances 0.000 abstract description 12
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000002310 reflectometry Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 239000013078 crystal Substances 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Filters (AREA)
- Color Television Image Signal Generators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60066082A JPS61223802A (ja) | 1985-03-29 | 1985-03-29 | 光学フイルタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60066082A JPS61223802A (ja) | 1985-03-29 | 1985-03-29 | 光学フイルタ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61223802A true JPS61223802A (ja) | 1986-10-04 |
| JPH0444727B2 JPH0444727B2 (en, 2012) | 1992-07-22 |
Family
ID=13305574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60066082A Granted JPS61223802A (ja) | 1985-03-29 | 1985-03-29 | 光学フイルタ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61223802A (en, 2012) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237446A (en) * | 1987-04-30 | 1993-08-17 | Olympus Optical Co., Ltd. | Optical low-pass filter |
| JP2008046162A (ja) * | 2006-08-10 | 2008-02-28 | Canon Inc | 反射光学素子および撮像装置 |
| JP2016212220A (ja) * | 2015-05-07 | 2016-12-15 | 有限会社大平技研 | 反射鏡集合体を用いた星空の投影装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57158612A (en) * | 1981-03-25 | 1982-09-30 | Canon Inc | Optical low pass filter |
| JPS59146015A (ja) * | 1983-02-09 | 1984-08-21 | Matsushita Electric Ind Co Ltd | 光路分割装置 |
-
1985
- 1985-03-29 JP JP60066082A patent/JPS61223802A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57158612A (en) * | 1981-03-25 | 1982-09-30 | Canon Inc | Optical low pass filter |
| JPS59146015A (ja) * | 1983-02-09 | 1984-08-21 | Matsushita Electric Ind Co Ltd | 光路分割装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237446A (en) * | 1987-04-30 | 1993-08-17 | Olympus Optical Co., Ltd. | Optical low-pass filter |
| JP2008046162A (ja) * | 2006-08-10 | 2008-02-28 | Canon Inc | 反射光学素子および撮像装置 |
| JP2016212220A (ja) * | 2015-05-07 | 2016-12-15 | 有限会社大平技研 | 反射鏡集合体を用いた星空の投影装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444727B2 (en, 2012) | 1992-07-22 |
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