Cise S.p.a.

Laser Point S.r.l.

Cesi Centro Elettrotecnico Sperimentale Italiano Giacinto Motta S.p.a.

Emanuele Stucchi

Vincenzo Fantini

Flavio Ferretti

Laura Serri

Enzo Nava

Franco Trespidi

Device for the detection of optical parameters consisting of a first sensing element that is sectioned into a plurality of equal regions each able to produce an electric signal, proportional to the power of the incident laser beam. Before said first sensing element with respect to the direction of the incident laser beam, at least a second sensing element is provided, lined up with the first sensing element and thermally insulated from it, that has a hole with a shape equal to the shape of the incoming laser beam and with dimensions increasing with the distance from that first element.

Device for the detection of optical parameters of a laser beam

Device for the characterization of a laser beam according to a 'Knife edge' method as defined by Standard ISO 11146. The device has a lens for the focalization of an incident laser beam, and a detector. Interception elements are located between said lens and said detector in order to intercept sequentially the focalized laser beam in a plurality of different positions along its axis of propagation. The interception elements are suitable to allow, in each one of said positions, the passage of a progressively increasing (or decreasing) portion of the vocalized laser beam starting from a condition of substantially total (or null) interception up to a condition of substantially null (or total) interception.

Device for the characterization of laser beams

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Bergamo, Italy

Emanuele Stucchi