Accession Number:

AD0607057

Title:

DESIGN THEORY FOR LASER AMPLIFIERS,

Descriptive Note:

Corporate Author:

ARMY ELECTRONICS LABS FORT MONMOUTH N J

Personal Author(s):

• Jacobs,H.
• Brand,F. A.
• Weitz,S.
• Lo Cascio,C.

Report Date:

1964-07-01

Pagination or Media Count:

76.0

Abstract:

A theoretical and experimental study was carried out on laser amplification. A transmission system was set up with an oscillator, filter, amplifier, and detector. By controlling the relative time delays in firing or by changing the power input to the amplifier the properties of transmitted power gain were studied. It was found that both the oscillator and amplifier rubies in uncoated form could be made to oscillate for about 100 microsec giving a well-defined pulse of quasi cw operation. The gain of the amplifier increased as the times of the signal from the oscillator approached the time at which the amplifier went into oscillation. If the oscillator was delayed so that its signal occurred at increasing time after the amplifier oscillations had ceased, the power gain decreased, even though the amplifier crystal was still being pumped. Finally with still further delay in signal relative to the amplifier oscillation period, an attenuation in transmission was observed. Author

Descriptors:

• *LASERS
• *AMPLIFIERS
• LASERS
• CRYSTALS
• REFLECTION
• GAIN
• THEORY
• TRANSMISSION LINES
• OSCILLATORS
• OPTICAL FILTERS
• DETECTORS
• LIGHT PULSES
• ATTENUATION

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE