Light Intensity Modulation in a Thermal Medium

Abstract

The intensity of a low power He–Ne laser beam was modulated in a thermal medium consisting of a slab of lead glass by temperature fluctuations caused by the absorption of light from a higher power argon laser. Close agreement between experiment and analytical calculations has been obtained. This type of modulation permits the detection of small temperature fluctuations in materials that are partially transmitting to a low power laser.

© 1973 Optical Society of America

Measurement of Refractive Index Change with Temperature Using Thermal Self-Phase Modulation

Y. Kohanzadeh, Kwing Wai Ma, and J. R. Whinnery
Appl. Opt. 12(7) 1584-1587 (1973)

Thermally Induced Nonlinear Propagation of a Laser Beam in an Absorbing Fluid Medium

Luc R. Bissonnette
Appl. Opt. 12(4) 719-728 (1973)

Turbulence Effects on Thermal Blooming

Frederick G. Gebhardt, David C. Smith, Rudolph G. Buser, and Robert S. Rohde
Appl. Opt. 12(8) 1794-1805 (1973)

Log-Intensity Correlations of a Laser Beam in a Turbulent Medium

E. Collett, R. Alferness, and T. Forbes
Appl. Opt. 12(5) 1067-1070 (1973)

Thermal Transient Effects in Repetitively Pulsed Flashlamp-Pumped YAG:Nd and YAG:Nd,Lu Laser Material

R. F. Hotz
Appl. Opt. 12(8) 1834-1838 (1973)