Accession Number:

AD0701105

Title:

AXIAL MAGNETIC FIELD EFFECTS ON A SATURATED HE-NE LASER AMPLIFIER,

Descriptive Note:

Corporate Author:

CALIFORNIA INST OF TECH PASADENA DIV OF ENGINEERING AND APPLIED SCIENCE

Personal Author(s):

• Menzies,Robert T.
• Dienes,Andrew
• George,Nicholas

Report Date:

1969-06-01

Pagination or Media Count:

30.0

Abstract:

The behavior of a He-Ne laser amplifier in the presence of an axial magnetic field has been studied experimentally by measuring Faraday rotation and gain for various values of input signal intensity. Two high gain transitions in the 3.39 micrometer region were used for study a J 1 to J 2 transition and a J 1 to J 1 transition. Theoretical expressions have been developed which include the nonlinear effects of saturation strength signals. Experimental results clearly show saturation of Faraday rotation in addition, for the J 1 to J 1 transition, a Faraday rotation reversal and a traveling wave magnetic field dip are seen. These results match the theoretical predictions and provide a method for measuring the upper 3s2 level quadrupole moment decay rate. Author

Descriptors:

• (*GAS LASERS
• MAGNETOOPTICS)
• MAGNETIC FIELDS
• ATOMIC ENERGY LEVELS
• ZEEMAN EFFECT
• GAIN
• POLARIZATION

Subject Categories:

• Lasers and Masers

Distribution Statement:

APPROVED FOR PUBLIC RELEASE