Manipulator device for the transfer of laser light into an optical fiber

Claim 1

A manipulator device for the transfer of laser light into an optical fibre and of the type comprising supporting means for an optical fibre, means for adjusting the position of the end face of the optical fibre in the axial direction (z-axis) of the fibre corresponding to the optical axis of the manipulator and in relation to a focused laser beam, an optical system for the focusing of a laser beam arriving substantially axially at an end surface of the optical fibre, means for adjusting the spot of light provided by the focused laser beam on the end face of the fibre in two axial x- and y-directions perpendicular to each other and to said z-axis, and means for angularly adjusting the axial direction of the fibre in relation to the axial direction of the laser beam incident on the end face of the fibre, housing means adapted to be located in the path of the laser beam and provided with an inlet opening for the arriving laser beam, a mainly tubular plug means displaceable in the axial z-direction in relation to the housing for the optical fibre and for focusing optics, resp., the latter being substantially axially centred on the axis of the fibre, a supporting tube accommodated in the housing for an optical glass body axially disposed on the z-axis, and means for maintaining the supporting tube in contact with adjusting means located respectively at either end of the supporting tube and adapted to adjust the position of the supporting tube in relation to the z-axis in the housing means.