Coherent, Inc.

John R Harris

John Lawrence Nightingale

H Yang Pang

John K Johnson

R Ian Edmond

John Paul Brekke

Kelly Child

An optical fiber assembly includes a clad optical fiber having an end-cap thereon. Radiation is focused into the optical fiber via the end-cap. A roughened portion of the fiber cladding behind the end-cap allows any radiation focused into the fiber and propagating in the cladding to escape the optical fiber. A concave reflector surrounding the optical fiber reflects the escaped radiation away from the fiber assembly. A connector for connecting the optical fiber to a laser includes an air-cooled beam-dump for receiving the radiation reflected away from the optical fiber.

Transport optical fiber for Q-switched lasers

A resonator assembly particularly suited for a diode pumped solid state laser is disclosed. The assembly includes a glass planar support plate 20. At least two transparent mirror mounts 26, 28 are bonded to the plate using a UV curable adhesive. The resonator mirros 22, 24 are in turn bonded to the mounts using a similar adhesive. The structure is easy to align and assemble and is low in cost. In addition, the assembly can be formed from materials having a low coefficient of thermal expansion so that the thermal stability is enhanced. Further, the transparent mirror mounts provide enhanced stability while allowing transmission of laser radiation.

Laser resonator assembly

A mechanism (10) for adjustably mounting a laser mirror includes fixed and movable plates (20, 22) with a pivot assembly mounted therebetween. The mirror (44) is mounted on the movable plate (22). A pair of wedge structures interface between the two plates at locations spaced from the pivot assembly and function to vary the angle between the plates about the pivot assembly. In the preferred embodiment, the wedge structure includes a threaded screw (54) for driving a sphere (58) against an inclined plane (50). The assembly allows adjustment of the mirror face (46) about all axes.

Growing community of inventors

San Carlos, CA, United States of America

John R Harris