JP2013500131A5

JP2013500131A5 -

Info

Publication number: JP2013500131A5
Application number: JP2012522900A
Authority: JP
Filing date: 2010-07-21
Publication date: 2013-08-29
Anticipated expiration: 2030-07-21

Claims

A laser engine for generating a pulsed laser beam;
An XY scanner that receives the generated pulsed laser beam and emits a scanning laser beam;
The XY scanner is
An X scanner including two X scanning mirrors;
A laser system for ophthalmic surgery comprising: a Y scanner comprising two Y scanning mirrors.

The laser system according to claim 1, wherein the X scanner is configured such that a pivot point of the X scanner is located away from a mirror of the X scanner.

The laser system of claim 2, wherein the pivot point of the X scanner is substantially on a mirror of the Y scanner.

The laser system according to claim 1, wherein the Y scanner is configured such that a pivot point of the Y scanner is located away from a mirror of the Y scanner.

In the X scanner and the Y scanner, the pivot point of the X scanner is at a position away from the mirror of the X scanner, the pivot point of the Y scanner is at a position away from the mirror of the Y scanner, The laser system of claim 1, wherein the pivot point is configured to substantially coincide with the pivot point of the Y scanner.

Wherein X scanner and Y scanners, the X pivot point of the scanner is configured to pivot point and match so the Y scanner, the laser system of claim 1, wherein.

The laser system according to claim 1, wherein a pivot point of the Y scanner is substantially on an incident surface of a subsequent optical element.

The laser system according to claim 1, wherein a pivot point of the Y scanner is substantially on an entrance pupil of a subsequent optical element.

The XY scanner
An angle formed by the scanning laser beam emitted from the XY scanner with the optical axis;
2. The laser system according to claim 1, wherein the emitted scanning laser beam is configured to substantially independently change a position at which the scanning laser beam intersects with a subsequent reference plane orthogonal to the optical axis.

The laser system of claim 1, wherein the XY scanner is configured to reduce aberrations relative to the aberrations of corresponding laser systems that include XY scanners having only two mirrors.

The laser system of claim 1, wherein the XY scanner is configured to reduce astigmatism as compared to the astigmatism of a corresponding laser system that includes an XY scanner having only two mirrors.

The laser system of claim 1, wherein the XY scanner is configured to reduce coma relative to coma of substantially the same laser system that includes an XY scanner having only two mirrors.

2. The laser system according to claim 1, wherein the XY scanner is configured to scan the laser beam over an XY scanning range having a maximum value longer than 5 mm and shorter than 15 mm at a focal plane of the laser system. .

The XY scanner, the focal plane of the laser system, the laser beam, the maximum value is longer than 8 mm, 1 3 is configured to scan over a short XY scanning range than mm, according to claim 1, wherein Laser system.

A laser engine for generating a pulsed laser beam;
  An XY scanner that receives the generated pulsed laser beam and emits a scanning laser beam;
  With
  The XY scanner substantially independently changes an angle formed by the emitted scanning laser beam with the optical axis and a position at which the emitted scanning laser beam intersects a subsequent reference plane orthogonal to the optical axis. Configured to
  The XY scanner is a laser system for ophthalmic surgery having an X scanner including two X scanning mirrors and a Y scanner including two Y scanning mirrors.

The laser system of claim 15, wherein the X pivot point is at a position away from the X scanning mirror and the Y pivot point is at a position away from the Y scanning mirror.

The X pivot point is away from the X scanning mirror;
The Y pivot point is away from the Y scanning mirror,
The laser system of claim 15, wherein the X pivot point substantially coincides with the Y pivot point.

The laser system according to claim 15, wherein the XY scanner is configured to scan the laser beam over an XY scanning range having a maximum value longer than 5 mm and shorter than 15 mm at a focal plane of the laser system. .