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Amplified spontaneous emission measurement of a line-narrowed, tunable, Ti:Al2O3 amplifier using rubidium absorptionAmplified spontaneous emission, ASE, generated by a Ti:Al2O3 laser amplifier has been measured as a function of pump energy, and thus gain, using the atomic absorption of rubidium, Rb, gas at 0.780 micron. By tuning the Ti:Al2O3 laser, the Rb cell could selectively absorb the narrow spectral bandwidth laser radiation while transmitting the wide spectral bandwidth ASE. Transmission of laser amplifier pulses through a Rb absorption cell, measured at various temperatures, thus allows the measurement of the weak ASE in the vicinity of the strong laser pulse. A model for the transmission of Rb as a function of temperature and wavelength has been developed. The measured transmissions are in good agreement with the transmission model predictions.
Document ID
19920061917
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Barnes, James C. (NASA Langley Research Center Hampton, VA, United States)
Barnes, Norman P. (NASA Langley Research Center Hampton, VA, United States)
Lockard, George E. (NASA Langley Research Center Hampton, VA, United States)
Cross, Patricia L. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1989
Subject Category
Lasers And Masers
Meeting Information
Meeting: OSA Topical Meeting on Tunable Solid State Lasers
Location: North Falmouth, MA
Country: United States
Start Date: May 1, 1989
End Date: May 3, 1989
Accession Number
92A44541
Distribution Limits
Public
Copyright
Other

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