Leonard R. Solon

Ocular Lesions Produced by an Optical Maser (Laser)

Ocular lesions have been experimentally produced in rabbit by a pulsed optical maser (laser). The high-energy density delivered in a single 0.5 msec pulse was sufficient to cause instantaneous thermal injury to the pigmented retina and iris of the brown rabbit. Ophthalmoscopically, the retinal lesions resembled flash burns from an atomic fireball.

Beta and Gamma Dose Rates From Terrestrially Distributed Sources

Report that examines the dose rate of radiation in the air and in a test subject due to radioactive materials (uranium, thorium, and potassium) that are present in the ground. The test subject in these experiments is a water cylinder that is meant to receive radiation in a manner similar to a person.

Ion Tracer Anemometer for the Measurement of Low Density Air Flow

A density independent anemometer for use at altitudes between 20 and 50 km has been developed and successfully operated on an air sampling research balloon flight. Its operation is based on the pulsed generation of ions within the air stream and their subsequent detection at a measured distance. Closed loop retriggering of the electric discharge results in a pulse train whose frequency varies directly with the air velocity. Semiconductor circuitry is used throughout, including an automatic discharge restarting circuit. Designed for monitoring velocities between 5 and 50 m/sec, the instrument range can be conveniently extended in both directions by suitable repositioning of the anemometer probes.

Dose‐Rate Dependent Dosimeter for Low‐Intensity Gamma‐Ray Fields

It has been suggested that a NaI(Tl) phosphor be used to amplify densities enough to make a film dosimeter practicable for the low gamma‐ray dose rates produced by background radiation. This use is complicated by the dependence of film density on dose rate as well as dose. An analysis of the process provides a correction for the doserate dependence when the dose rate is constant. The magnitude of the error involved in assuming the dose‐rate constant when it is a function of time is evaluated.

Estimation of Lung Dose from the Radioactive Cloud Associated with a Nuclear Detonation

A method is developed for estimating the dose to the lungs of a person exposed to the airborne radioactive dust from the cloud associated with a nuclear detonation. The analysis is applied to data collected at a point about 275 miles from the test site in the Fall, 1951, weapons tests in Nevada.