IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0511979
(2009-07-29)
|
등록번호 |
US-8500725
(2013-08-06)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
37 |
초록
▼
A laser system for ophthalmic surgery includes a laser engine to generate a pulsed laser beam, and an XY scanner, to receive the generated pulsed laser beam, and to output a scanning laser beam, the XY scanner including an X scanner, including two X scanning minors, and a Y scanner, including two Y
A laser system for ophthalmic surgery includes a laser engine to generate a pulsed laser beam, and an XY scanner, to receive the generated pulsed laser beam, and to output a scanning laser beam, the XY scanner including an X scanner, including two X scanning minors, and a Y scanner, including two Y scanning minors. The XY scanner can modify essentially independently an angle the outputted scanning laser beam makes with an optical axis, and a position at which the outputted scanning laser beam intersects a subsequent reference plane perpendicular to the optical axis.
대표청구항
▼
1. A laser system for ophthalmic surgery, comprising: a laser engine to generate a pulsed laser beam; andan XY scanner, to receive the generated pulsed laser beam, andto output a scanning laser beam,the XY scanner comprising an X scanner, including two X scanning mirrors, anda Y scanner, including t
1. A laser system for ophthalmic surgery, comprising: a laser engine to generate a pulsed laser beam; andan XY scanner, to receive the generated pulsed laser beam, andto output a scanning laser beam,the XY scanner comprising an X scanner, including two X scanning mirrors, anda Y scanner, including two Y scanning mirrors. 2. The laser system of claim 1, wherein: the X scanner is configured so that a pivot point of the X scanner is off a mirror of the X scanner. 3. The laser system of claim 2, wherein: a pivot point of the X scanner is essentially on a mirror of the Y scanner. 4. The laser system of claim 1, wherein: the Y scanner is configured so that a pivot point of the Y scanner is off a mirror of the Y scanner. 5. The laser system of claim 1, wherein: the X scanner and the Y scanner are configured so that a pivot point of the X scanner is off a minor of the X scanner and the pivot point of the Y scanner is off a mirror of the Y scanner and the X scanner pivot point essentially coincides with the Y scanner pivot point. 6. The laser system of claim 1, wherein: the X scanner and the Y scanner are configured so that and the X scanner pivot point coincides with the Y scanner pivot point. 7. The laser system of claim 1, wherein: a pivot point of the Y scanner is essentially on an entry surface of a subsequent optical element. 8. The laser system of claim 1, wherein: a pivot point of the Y scanner is essentially on the input pupil of a subsequent optical element. 9. The laser system of claim 1, wherein: the XY scanner is configured to modify essentially independently: an angle a scanning laser beam outputted by the XY scanner makes with an optical axis, anda position at which the outputted scanning laser beam intersects a subsequent reference plane perpendicular to the optical axis. 10. The laser system of claim 1, wherein: the XY scanner is configured to reduce an aberration compared to the aberration of a corresponding laser system including an XY scanner with only two mirrors. 11. The laser system of claim 1, wherein: the XY scanner is configured to reduce an astigmatism compared to the astigmatism of a corresponding laser system including an XY scanner with only two mirrors. 12. The laser system of claim 1, wherein: the XY scanner is configured to reduce a coma compared to the coma of an essentially identical laser system including an XY scanner with only two mirrors. 13. The laser system of claim 1, wherein: the XY scanner is configured to scan the laser beam over an XY scanning range whose maximum is longer than 5 millimeter and shorter than 15 millimeter at the focal plane of the laser system. 14. The laser system of claim 1, wherein: the XY scanner is configured to scan the laser beam over an XY scanning range whose maximum is longer than 8 millimeter and shorter than 13 millimeter at the focal plane of the laser system. 15. A laser system for ophthalmic surgery, comprising: a laser engine to generate a pulsed laser beam; andan XY scanner, to receive the generated pulsed laser beam andto output a scanning laser beam,wherein the XY scanner is configured to modify essentially independently an angle the outputted scanning laser beam makes with an optical axis, anda position at which the outputted scanning laser beam intersects a subsequent reference plane perpendicular to the optical axis, andthe XY scanner comprises an X scanner, including two X scanning mirrors, anda Y scanner, including two Y scanning mirrors. 16. The laser system of claim 15, wherein: an X-pivot point is off an X scanning mirror; anda Y-pivot point is off a Y scanning mirror. 17. The laser system of claim 15, wherein: an X-pivot point is off an X scanning mirror;a Y-pivot point is off a Y scanning mirror; andthe X pivot point essentially coincides with the Y pivot point. 18. The laser system of claim 15, wherein: the XY scanner is configured to scan the laser beam over an XY scanning range whose maximum is longer than 5 millimeter and shorter than 15 millimeter at the focal plane of the laser system.
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