Lambda Physik Ag

Markus Ritcher

Ulrich Rebhan

Jurgen Baumler

A beam shutter apparatus designed to handle high powered UV radiation is disclosed. The shutter includes a high reflectivity mirror mounted on a plate which can be rotated between a first position where the beam is reflected and redirected to a tool such as a beam dump and a second position where the beam is free to pass out of the laser, where the beam is free to pass out of the laser The shutter includes a support base with an angled upper surface upon which the mirror plate rests when in the second position. The support base has a beam path channel designed so that a beam can pass through the support base and out of the shutter when the mirrored plate is in the first position. The mirrored plate is rotated by a linkage, which is driven by an electrically powered actuator on a rotational magnet. The support base is machined out of a monolithic piece of metal allowing very high precision without the need for cumbersome alignment procedures.

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Gottingen, Germany

Markus Ritcher