Irradiated power monitoring system for optical fiber

Details Irradiated power monitoring system for optical fiber Irradiated power monitoring system for optical fiber

1982-11-24

1985-12-03

Ruehl, Charles A.

Communications: electrical

Condition responsive indicating system

Specific condition

1283031, 219121LB, 340540, 340555, 340557, 356 731, 455610, G08B 2100

Patent

active

045568758

ABSTRACT:
In a laser working apparatus comprising a large power laser oscillator, laser light beam conducting means, and a hand-piece with which the output laser light beam from said conducting means is emanated on desired objectives. The hand-piece comprises a convergence lens for focusing the output light to the desired object and a light detecting means disposed in a casing of the hand-piece, so as to detect the outskirt portion of the converged light beam, which is not utilized for the working, thereby the output laser light is continuously checked for its existence or for its intensity, to assure a reliable operation. By such a detection means, many troubles or defects of the light conducting means are continuously watched.

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"Field Disturbance Sensing Unit", K. E. Powell, IBM Technical Disclosure Bulletin, vol. 18, No. 7, pp. 2275-2276, Dec. 1975.

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