KR860005250A - 광학적 저역 필터 - Google Patents
광학적 저역 필터Info
- Publication number
- KR860005250A KR860005250A KR1019850009766A KR850009766A KR860005250A KR 860005250 A KR860005250 A KR 860005250A KR 1019850009766 A KR1019850009766 A KR 1019850009766A KR 850009766 A KR850009766 A KR 850009766A KR 860005250 A KR860005250 A KR 860005250A
- Authority
- KR
- South Korea
- Prior art keywords
- pass filter
- low pass
- optical low
- grating
- substrate
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/124—Geodesic lenses or integrated gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Filters (AREA)
- Glass Compositions (AREA)
- Eye Examination Apparatus (AREA)
- Networks Using Active Elements (AREA)
- Eyeglasses (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Lasers (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP272018 | 1984-12-25 | ||
JP59272018A JPS61149923A (ja) | 1984-12-25 | 1984-12-25 | 位相型光学的ロ−パスフイルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860005250A true KR860005250A (ko) | 1986-07-21 |
KR940005121B1 KR940005121B1 (ko) | 1994-06-11 |
Family
ID=17507982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850009766A KR940005121B1 (ko) | 1984-12-25 | 1985-12-24 | 광학적 저역 필터 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4795236A (ko) |
EP (1) | EP0186166B1 (ko) |
JP (1) | JPS61149923A (ko) |
KR (1) | KR940005121B1 (ko) |
AT (1) | ATE43445T1 (ko) |
CA (1) | CA1272629A (ko) |
DE (1) | DE3570531D1 (ko) |
ES (1) | ES8705643A1 (ko) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6370203A (ja) * | 1986-09-11 | 1988-03-30 | Brother Ind Ltd | 屈折率分布型光導波路レンズの製造方法 |
JP2706237B2 (ja) * | 1986-09-20 | 1998-01-28 | ブラザー工業株式会社 | レーザプリンタ |
EP0309744A3 (de) * | 1987-09-29 | 1989-06-28 | Siemens Aktiengesellschaft | Anordnung mit einem flächig sich erstreckenden Dünnfilmwellenleiter |
JPH07111514B2 (ja) * | 1988-04-04 | 1995-11-29 | 日本放送協会 | 光学的ローパスフイルタ |
JPH0833527B2 (ja) * | 1988-07-18 | 1996-03-29 | キヤノン株式会社 | 光学的ローパスフィルターを有した撮影系 |
JPH03174103A (ja) * | 1989-09-19 | 1991-07-29 | Fujitsu Ltd | 色消しホログラム光学系 |
JP2800364B2 (ja) * | 1990-04-27 | 1998-09-21 | 松下電器産業株式会社 | 光学的ローパスフィルタ |
US5146320A (en) * | 1990-08-08 | 1992-09-08 | Canon Kabushiki Kaisha | Color image pickup apparatus |
US5581301A (en) * | 1990-10-03 | 1996-12-03 | Canon Kabushiki Kaisha | Image processing apparatus with adjustable low-pass optical filter characteristics |
US5142413A (en) * | 1991-01-28 | 1992-08-25 | Kelly Shawn L | Optical phase-only spatial filter |
JP2563236Y2 (ja) * | 1991-02-15 | 1998-02-18 | オリンパス光学工業株式会社 | 固体撮像装置 |
US5471344A (en) * | 1991-03-29 | 1995-11-28 | Canon Kabushiki Kaisha | Photographing apparatus having optical low-pass filter |
JP2861525B2 (ja) * | 1991-09-10 | 1999-02-24 | 松下電器産業株式会社 | 波長選択性位相格子光学的ローパスフィルタ |
JPH05313098A (ja) * | 1992-05-06 | 1993-11-26 | Matsushita Electric Ind Co Ltd | 光学的ローパスフィルタ |
JPH0659218A (ja) * | 1992-08-05 | 1994-03-04 | Matsushita Electric Ind Co Ltd | 光学的ローパスフィルタ |
US5337181A (en) * | 1992-08-27 | 1994-08-09 | Kelly Shawn L | Optical spatial filter |
JP3506144B2 (ja) * | 1992-10-19 | 2004-03-15 | ソニー株式会社 | 画像表示装置及び表示デバイス用光学フィルタ |
JP3204471B2 (ja) * | 1992-11-06 | 2001-09-04 | 株式会社クラレ | 光学的ローパスフィルタおよび撮像装置 |
DE4338680C1 (de) * | 1993-11-12 | 1995-03-23 | Heidenhain Gmbh Dr Johannes | Längen- oder Winkelmeßeinrichtung |
KR0131172B1 (ko) * | 1994-05-07 | 1998-04-16 | 김은영 | 스펙트럴 코딩 방식에 의한 직접 화상 전송 방법 및 장치 |
US5682266A (en) * | 1995-04-05 | 1997-10-28 | Eastman Kodak Company | Blur filter for eliminating aliasing in electrically sampled images |
US5696371A (en) * | 1996-05-23 | 1997-12-09 | Eastman Kodak Company | Diffractive/refractive lenslet array |
US5751492A (en) * | 1996-06-14 | 1998-05-12 | Eastman Kodak Company | Diffractive/Refractive lenslet array incorporating a second aspheric surface |
US6356379B1 (en) | 1998-12-07 | 2002-03-12 | Florida Atlantic University | Adjustable opto-acoustical low pass filter and technique |
KR100340938B1 (ko) * | 1999-11-17 | 2002-06-20 | 박병선 | 광 저 대역 통과 필터 일체형 고체 촬상 소자 |
JP4937571B2 (ja) * | 2004-12-03 | 2012-05-23 | 株式会社オハラ | 光学部品および光学部品の製造方法 |
TWI395978B (zh) | 2004-12-03 | 2013-05-11 | Ohara Kk | 光學元件與製造光學元件的方法 |
US8189050B1 (en) | 2006-07-19 | 2012-05-29 | Flir Systems, Inc. | Filtering systems and methods for infrared image processing |
JP5787508B2 (ja) * | 2010-11-11 | 2015-09-30 | キヤノン株式会社 | 回折光学素子及び光学系 |
CN102514309B (zh) * | 2011-12-03 | 2014-12-10 | 南京科晖印刷科技有限公司 | 一种具有镜面折光光栅效果的装饰玻璃 |
TWI645218B (zh) * | 2017-07-20 | 2018-12-21 | Benq Materials Corporation | 光重導向膜 |
US10642057B2 (en) * | 2017-07-20 | 2020-05-05 | Benq Materials Corporation | Light redirecting film and method for manufacturing the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3910683A (en) * | 1970-07-28 | 1975-10-07 | Minolta Camera Kk | Optical low-pass filter |
JPS4853741A (ko) * | 1971-10-08 | 1973-07-28 | ||
US3795434A (en) * | 1972-07-20 | 1974-03-05 | Ibm | Grating guides for optical surface waves |
CH556625A (de) * | 1972-09-06 | 1974-11-29 | Siemens Ag | Einroehren-farbfernsehkamera mit farbstreifenfiltern. |
JPS5742849B2 (ko) * | 1974-06-05 | 1982-09-10 | ||
JPS5813891B2 (ja) * | 1975-01-20 | 1983-03-16 | ミノルタ株式会社 | 光学的ロ−パスフィルタ− |
JPS53119063A (en) * | 1977-03-26 | 1978-10-18 | Minolta Camera Co Ltd | Optical low pass filter |
FR2486251A1 (fr) * | 1980-07-03 | 1982-01-08 | Commissariat Energie Atomique | Procede de realisation d'un reseau optique |
-
1984
- 1984-12-25 JP JP59272018A patent/JPS61149923A/ja active Pending
-
1985
- 1985-12-17 CA CA000497878A patent/CA1272629A/en not_active Expired - Lifetime
- 1985-12-20 EP EP85116400A patent/EP0186166B1/en not_active Expired
- 1985-12-20 US US06/811,817 patent/US4795236A/en not_active Expired - Fee Related
- 1985-12-20 DE DE8585116400T patent/DE3570531D1/de not_active Expired
- 1985-12-20 AT AT85116400T patent/ATE43445T1/de not_active IP Right Cessation
- 1985-12-24 KR KR1019850009766A patent/KR940005121B1/ko not_active IP Right Cessation
- 1985-12-24 ES ES550395A patent/ES8705643A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0186166B1 (en) | 1989-05-24 |
JPS61149923A (ja) | 1986-07-08 |
ATE43445T1 (de) | 1989-06-15 |
KR940005121B1 (ko) | 1994-06-11 |
CA1272629A (en) | 1990-08-14 |
ES550395A0 (es) | 1987-05-01 |
EP0186166A1 (en) | 1986-07-02 |
DE3570531D1 (en) | 1989-06-29 |
US4795236A (en) | 1989-01-03 |
ES8705643A1 (es) | 1987-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |