Laser Rod Temperature Distribution
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Foundation ::
Thermal Tools ::
Laser Rod Temperature Distribution
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Laser Rod Temperature Distribution
Computer Model of Temperature Distribution in Optically Pumped Laser Rods
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Moderators:
Adopt This Application!
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SOURCE CODE AVAILABLE
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Managing the thermal energy that accumulates within a solid-state laser material under active pumping is of critical importance in the design of laser systems.
Earlier models that calculated the temperature distribution in laser rods were single dimensional and assumed laser rods of infinite length. Laser Rod Temperature Distribution
presents a new model which solves the temperature distribution problem for finite dimensional laser rods and calculates both the radial and axial components of
temperature distribution in these rods.
The modeled rod is either side-pumped or end-pumped by a continuous or a single pulse pump beam. (At the present time, the model cannot handle a multiple
pulsed pump source.) The optical axis is assumed to be along the axis of the rod. The program also assumes that it is possible to cool different surfaces of the
rod at different rates.
The user defines the laser rod material characteristics, determines the types of cooling and pumping to be modeled, and selects the time frame desired via the
input file. The program contains several self checking schemes to prevent overwriting memory blocks and to provide simple tracing of information in case of
trouble. Output for the program consists of
- an echo of the input file,
- diffusion properties, radius and length, and time for each data block,
- the radial
increments from the center of the laser rod to the outer edge of the laser rod, and
- the axial increments from the front of the laser rod to the other end of the
rod.
Laser Rod Temperature Distribution carries the NASA case number LAR-14209. It was originally released as part of the NASA COSMIC collection.
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