WO2003021333A1 - Mtf-improved optical system employing phase mask with unchanged phase in central region - Google Patents
Mtf-improved optical system employing phase mask with unchanged phase in central region Download PDFInfo
- Publication number
- WO2003021333A1 WO2003021333A1 PCT/US2002/009702 US0209702W WO03021333A1 WO 2003021333 A1 WO2003021333 A1 WO 2003021333A1 US 0209702 W US0209702 W US 0209702W WO 03021333 A1 WO03021333 A1 WO 03021333A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase
- wavefront coding
- sign
- optics
- central region
- Prior art date
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Classifications
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- 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
- G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
-
- 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
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Optical Elements Other Than Lenses (AREA)
- Facsimile Heads (AREA)
- Image Input (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60226750T DE60226750D1 (en) | 2001-08-31 | 2002-03-28 | MTF IMPROVED OPTICAL SYSTEM USING PHASE MASKS WITH UNCHANGED PHASE IN A MEDIUM AREA |
JP2003525360A JP4975239B2 (en) | 2001-08-31 | 2002-03-28 | MTF improved optical system using a phase mask whose phase is unchanged in the central region |
EP02797724A EP1425624B1 (en) | 2001-08-31 | 2002-03-28 | Mtf-improved optical system employing phase mask with unchanged phase in central region |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/942,392 US6842297B2 (en) | 2001-08-31 | 2001-08-31 | Wavefront coding optics |
US09/942,392 | 2001-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003021333A1 true WO2003021333A1 (en) | 2003-03-13 |
Family
ID=25478013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/009702 WO2003021333A1 (en) | 2001-08-31 | 2002-03-28 | Mtf-improved optical system employing phase mask with unchanged phase in central region |
Country Status (7)
Country | Link |
---|---|
US (1) | US6842297B2 (en) |
EP (1) | EP1425624B1 (en) |
JP (1) | JP4975239B2 (en) |
CN (2) | CN101038375B (en) |
AT (1) | ATE396421T1 (en) |
DE (1) | DE60226750D1 (en) |
WO (1) | WO2003021333A1 (en) |
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Also Published As
Publication number | Publication date |
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CN1575431A (en) | 2005-02-02 |
ATE396421T1 (en) | 2008-06-15 |
JP2005502084A (en) | 2005-01-20 |
US20030063384A1 (en) | 2003-04-03 |
JP4975239B2 (en) | 2012-07-11 |
EP1425624B1 (en) | 2008-05-21 |
CN101038375A (en) | 2007-09-19 |
CN101038375B (en) | 2012-12-12 |
CN1304881C (en) | 2007-03-14 |
DE60226750D1 (en) | 2008-07-03 |
EP1425624A1 (en) | 2004-06-09 |
US6842297B2 (en) | 2005-01-11 |
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