Solid state laser apparatus
First Claim
Patent Images
1. A solid state laser apparatus comprising:
- an optical resonator including a plurality of optical elements, one of the optical elements being a lasant material excited by generated pumping radiation, at least two of the optical elements being birefringent optical elements, and an optical axis of the optical resonator being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in a first one of the birefringent optical elements.
2 Assignments
0 Petitions
Accused Products
Abstract
A solid state laser apparatus is capable of suppressing a mode hopping phenomena by restricting longitudinal modes except a fundamental mode, thereby providing a very stable output. The solid state laser apparatus includes such components as a semiconductor laser emitting a pumping radiation for exciting a lasant material, a lens systems for focusing the pumping radiation and an optical resonator including a concave mirror. The lasant material may be formed of Nd:YVO4 doped with approximately 1 at % of Nd and a non-linear optical element may be formed of KTiOPO4 with an inclined c-axis.
24 Citations
32 Claims
-
1. A solid state laser apparatus comprising:
an optical resonator including a plurality of optical elements, one of the optical elements being a lasant material excited by generated pumping radiation, at least two of the optical elements being birefringent optical elements, and an optical axis of the optical resonator being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in a first one of the birefringent optical elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
17. An optical resonator, for use in a solid state laser apparatus including a device for generating a pumping radiation, the optical resonator comprising:
-
a first optical element of a lasant material excited by received generated pumping radiation, the first optical element including a semi-spherical protrusion of limited aperture; and a second optical element, the second optical element being birefringent and an optical axis of the optical resonator being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in the first optical element. - View Dependent Claims (18, 19, 20)
-
-
21. An optical resonator, for use in a solid state laser apparatus including a device for generating a pumping radiation, the optical resonator comprising:
-
a curved mirror for receiving the generated pumping radiation; a first birefringent element, adjacent the curved mirror, of a lasant material excited by the generated pumping radiation; and a second birefringent element, proximate to the first birefringent element, including a semi-spherical protrusion of limited aperture, an optical axis of the optical resonator being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in the second birefringent element. - View Dependent Claims (22, 23, 24)
-
-
25. An optical resonator, for use in a solid state laser apparatus including a device for generating a pumping radiation, the optical resonator comprising:
-
a curved mirror for receiving the generated pumping radiation; a first birefringent element, proximate to the curved mirror, of a lasant material excited by the generated pumping radiation; and a second birefringent element, proximate to the first birefringent element, an optical axis of the optical resonator being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in the first birefringent element. - View Dependent Claims (26, 27, 28)
-
-
29. An optical resonator, for use in a solid state laser apparatus including a device for generating a pumping radiation, the optical resonator comprising:
-
a first optical element of a lasant material excited by received generated pumping radiation; a second optical element being birefringent and proximate to the first optical element; a third optical element being birefringent, formed of a non-linear optical material and proximate to the second optical element; and a curved mirror proximate to the third optical element, said optical resonator having a single optical axis being formed by a single one of two polarizing optical axes separated by a beam walk-off caused in the third optical element. - View Dependent Claims (30, 31, 32)
-
Specification