STUDIES ON THE INTERACTION OF LIGHT AND PARTICLE BEAMS.
Abstract
The large values of Faraday rotation obtained in optical media with the use of pulsed high magnetic fields have found a practical application in the control of laser cavities. Experiments were conducted in which high magnetic fields up to 400 k Oe were used to introduce large rotations of the plane of polarization in short, highly transparent samples. The operation with the ruby laser resulted in a periodic equispaced output which could be related to the risetime of the magnetic fields (on the order of 20 k Oe/usec). In a further series of experiments a synchronized cryptocyanine shutter was operated yielding either a single giant pulse or a well-spaced series of pulses. In this mode of operation the output pulse could be synchronized to the varying magnetic field with an accuracy of a fraction of a microsecond. The studies on the interaction between a coherent light beam and macroscopic particles were continued. The effect of localized evaporation induced in minute particles by an impinging beam of coherent radiation was calculated. The expected recoil velocities as generated by the beam pressure compounded by the evaporation process were determined and the acceleration of the macroscopic particles was evaluated for a given duration of the vaporization process.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 15, 1966
- Accession Number
- AD0635016