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Vibrational relaxation of N2 isolated in an argon matrix


Orlowski, Thomas Edward (1976) Vibrational relaxation of N2 isolated in an argon matrix. Master's thesis, California Institute of Technology. doi:10.7907/4JTQ-3292.


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The Raman spectrum of N2 isolated in an argon matrix at 4.2[...]K was obtained using single photon counting techniques and a CW argon ion laser. Attempts at measuring the vibrational relaxation (VR) time for N2 were made by monitoring the Raman intensity from upper vibrational levels as a function of time. Stimulating the Raman process using a rhodamine 6G jet stream dye laser tuned to the Stoke's frequency while simultaneously irradiating with the argon ion laser, was also attempted in an effort to improve Raman intensity. Although an accurate measurement of the VR time awaits a more efficient excitation process (or a more powerful laser), our results indicate a VR time as long as a few minutes is possible for N2 in this environment.

Item Type:Thesis (Master's thesis)
Degree Grantor:California Institute of Technology
Division:Chemistry and Chemical Engineering
Major Option:Chemistry
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Robinson, G. Wilse
Thesis Committee:
  • Unknown, Unknown
Defense Date:29 August 1975
Record Number:CaltechETD:etd-04082008-114221
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1312
Deposited By: Imported from ETD-db
Deposited On:08 Apr 2008
Last Modified:21 Dec 2019 02:49

Thesis Files

PDF (Orlowski_te_1976.pdf) - Final Version
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