Accession Number : ADA516382


Title :   Simulation of a Diode Pumped Alkali Laser; a Three Level Numerical Approach


Descriptive Note : Master's thesis


Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT/DEPT OF ENGINEERING PHYSICS


Personal Author(s) : Hackett, Shawn W


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a516382.pdf


Report Date : Mar 2010


Pagination or Media Count : 112


Abstract : This paper develops a three level model for a continuous wave diode pumped alkali laser by creating rate equations based on a three level system. Differential equations for intra-gain pump attenuation and intra-gain laser growth are developed in the fashion done by Rigrod. Using Mathematica 7.0, these di erential equations are solved numerically and a diode pumped alkali laser system is simulated.The results of the simulation are compared to previous experimental results and to previous computational results for similar systems. The absorption pro le for the three level numerical model is shown to have excellent agreement with previous absorption models. The lineshapes of the three level numerical model are found to be nearly identical to previous developments excepting those models assumptions. The three level numerical model provides results closer to experimental results than previous systems and provides results which observe effects not previously modeled, such as the effects of lasing on pump attenuation.


Descriptors :   *LASER PUMPING , *ALKALI METAL COMPOUNDS , *DIODE LASERS , COMPUTATIONS , MODELS , RATES , THESES , DIFFERENTIAL EQUATIONS , MATHEMATICAL MODELS , ABSORPTION , NUMERICAL METHODS AND PROCEDURES , EQUATIONS , SIMULATION , PUMPS , ATTENUATION


Subject Categories : Lasers and Masers


Distribution Statement : APPROVED FOR PUBLIC RELEASE