Laser device for simultaneous industrial processing and monitori

Details Laser device for simultaneous industrial processing and monitori Laser device for simultaneous industrial processing and monitori

1993-03-24

1994-05-24

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

250341, 901 46, G01J 100, G01J 500

Patent

active

053142489

ABSTRACT:
A laser device which combines a device for focusing a laser beam onto a workpiece to carry out industrial processes, for example, surface hardening heat-treatment or welding, with a row of pyroelectric sensors to simultaneously monitor the temperature of a region of the workpiece being treated by detecting the thermal energy emitted by the workpiece. This detection of thermal energy occurs along an ideal line extending across a focal length of the region of the workpiece onto which the laser beam is focused. In the present invention, both the device for focusing the laser beam and the row of pyroelectric sensors are attached to a single head.

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W. Konig, H. Willerscheid, Qualitatsprufung beim Laserstrahlharten anhand von Oberflachenkenngrossen (Quality Control of Laser-Hardened Tracks by Surface Parameters) Laser and Optoelektronik, vol. 23, No. 2, pp. 38-43, Apr. 1991 (Stuttgart, Germany).

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