Optical system for shaping a laser beam, and laser system having such an optical system

• US 20110280017A1
• Filed: 05/10/2011
• Published: 11/17/2011
• Est. Priority Date: 05/10/2010
• Status: Abandoned Application

• Current Assignee: Hilti Aktiengesellschaft (Hilti Martin Family Trust)
• Original Assignee: Hilti Aktiengesellschaft (Hilti Martin Family Trust)
• Inventors: Dang, Lieu-Kim
• Application Number:
  US13/104,680
• Publication Number:
  US 20110280017A1
• Time in Patent Office: Days
• US Class Current: 362/259
• CPC Class Codes: G01C 15/004 Reference lines, planes or sectors
• CPC Class Codes: G02B 27/0927 Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
• CPC Class Codes: G02B 27/0944 Diffractive optical elements, e.g. gratings, holograms gratings per se G02B5/18; holograms used as optical elements per se G02B5/32
• CPC Class Codes: G02B 27/095 Refractive optical elements
• CPC Class Codes: G02B 27/0977 Reflective elements

Abstract

An optical system is provided for shaping a laser beam, having a first optical element which is designed at least partially as a base body, the base body having a base surface area and having a curved surface area which abuts said base surface area. The base surface area and the curved surface area are designed at least partially as transmission surfaces for the laser beam, and the base body has a recess with a curved surface area, wherein the curved surface area is designed at least partially as a reflecting surface for the laser beam.

Claims

1. An optical system for shaping a laser beam, having a first optical element which is at least partially designed as a base body having a base surface area and having a curved surface area which abuts the base surface area,

wherein the base surface area and the curved surface area are at least partially designed as transmission surfaces for the laser beam, and the base body has a recess with a curved surface area which is at least partially designed as a reflecting surface for the laser beam.

2. An optical system according to claim 1, further comprising a second optical element that is integrated into the first optical element.

3. An optical system according to claim 2, wherein the second optical element is integrated into at least one of the base surface area of the base body, the curved surface area of the recess, and the curved surface area of the base body.

4. An optical system according to claim 1, further comprising a second optical element that directly abuts the first optical element.

5. An optical system according to claim 4, wherein the second optical element directly abuts at least one of the base surface area of the base body, the curved surface area of the recess, and the curved surface area of the base body.

6. An optical system according to claim 1, wherein the recess has a top surface area which abuts the curved surface area and is designed at least partially as a transmission surface for the laser beam.

7. An optical system according to claim 2, wherein the recess has a top surface area which abuts the curved surface area and is designed at least partially as a transmission surface for the laser beam.

8. An optical system according to claim 3, wherein the recess has a top surface area which abuts the curved surface area and is designed at least partially as a transmission surface for the laser beam.

9. An optical system according to claim 4, wherein the recess has a top surface area which abuts the curved surface area and is designed at least partially as a transmission surface for the laser beam.

10. An optical system according to claim 5, wherein the recess has a top surface area which abuts the curved surface area and is designed at least partially as a transmission surface for the laser beam.

11. An optical system according to claim 6, further comprising an optical element which is integrated into the top surface area or directly abuts the top surface area of the recess.

12. An optical system according to claim 7, further comprising an optical element which is integrated into the top surface area or directly abuts the top surface area of the recess.

13. An optical system according to claim 8, further comprising an optical element which is integrated into the top surface area or directly abuts the top surface area of the recess.

14. An optical system according to claim 9, further comprising an optical element which is integrated into the top surface area or directly abuts the top surface area of the recess.

15. An optical system according to claim 10, further comprising an optical element which is integrated into the top surface area or directly abuts the top surface area of the recess.

16. A laser system having a beam source for generating a laser beam, and having an optical system for shaping the laser beam, the optical system having a first optical element which is at least partially designed as a base body having a base surface area and having a curved surface area which abuts the base surface area,

wherein the base surface area and the curved surface area are at least partially designed as transmission surfaces for the laser beam, and the base body has a recess with a curved surface area which is at least partially designed as a reflecting surface for the laser beam.

17. A laser system according to claim 16, further comprising an adjustment device, by means of which at least one of the position of the beam source with respect to the optical system and the position of the optical system with respect to the beam source can be adjusted in at least one of a direction of propagation of the laser beam and in a plane which is perpendicular to the direction of propagation of the laser beam.

18. A laser system according to claim 16, comprising a first optical system which generates a first flat laser beam with a linear shape, and a second optical system which generates a second flat laser beam with a linear shape.

19. A laser system according to claim 17, comprising a first optical system which generates a first flat laser beam with a linear shape, and a second optical system which generates a second flat laser beam with a linear shape.

20. A laser system according to claim 18, comprising a third optical system which generates a third flat laser beam with a linear shape.

21. A laser system according to claim 19, comprising a third optical system which generates a third flat laser beam with a linear shape.

22. A laser system according to claim 16, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.

23. A laser system according to claim 17, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.

24. A laser system according to claim 18, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.

25. A laser system according to claim 19, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.

26. A laser system according to claim 20, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.

27. A laser system according to claim 21, comprising at least one optical system that generates a round laser beam in addition to a linear laser beam.