Study of thermally induced active birefringence in Nd:glass laser rods

Uppal, J. S. ; Gupta, P. D. ; Bhawalkar, D. D. (1983) Study of thermally induced active birefringence in Nd:glass laser rods Journal of Applied Physics, 54 (11). pp. 6615-6619. ISSN 0021-8979

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A study of active birefringence arising due to the thermal stresses in Nd:glass laser rods under different experimental conditions of pumping is reported. The extent of birefringence was measured in terms of depolarization of a pulsed probe beam from a Q-switched Nd:YAG (yttrium aluminum garnet) laser. The maximum depolarization for a 38-mm-diam rod pumped by 12 xenon flash lamps in a circular diffuse reflector configuration was determined to be 2.3%. This value for the depolarization as well as its radial profiles agree well with those determined from a cylindrically symmetric gain profile. In cases of deviation from the cylindrically symmetric pumping, the observed birefringence was found to be more for a clover leaf reflector as compared to that for a circular diffused reflector.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Glass; Neodymium Additions; Birefringence; Temperature Effects; Solid State Lasers; Rods; Experimental Data; Optical Pumping; Depolarization; Pulses; Q-switching; Ferrite Garnets; Aluminium Oxides; Yttrium Compounds; Xenon; Flash Tubes; Reflection; Configuration; Spatial Distribution
ID Code:3335
Deposited On:11 Oct 2010 09:02
Last Modified:18 May 2011 16:30

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