Caracterización de un haz laser al propagarse a distancias horizontales y baja altura: estudio de la temperatura atmosférica sobre las propiedades del frente de onda
La temperatura es una magnitud que se relaciona con el índice de refracción, entre más intensa sea la temperatura el índice de refracción fluctuará más de manera aleatoria, lo que generará una mayor distorsión en el frente de onda y por consiguiente un desplazamiento en el centroide. Este proyecto d...
- Autores:
-
Contreras Lopez, Juan Carlos
- Tipo de recurso:
- http://purl.org/coar/version/c_b1a7d7d4d402bcce
- Fecha de publicación:
- 2016
- Institución:
- Universidad Industrial de Santander
- Repositorio:
- Repositorio UIS
- Idioma:
- spa
- OAI Identifier:
- oai:noesis.uis.edu.co:20.500.14071/35071
- Palabra clave:
- Temperatura
Turbulencia Atmosférica
Haz Láser.
Temperature is a physical magnitude
related to refractive index
if temperature is higher
then refractive index presents more important fluctuations randomly
which produce a greater distortion in the wavefront and thus a displacement in the centroid. This end degree project shows the effect that has the temperature on the laser beam horizontal path at ground level
in order to improve processing regarding distortion
because in this measuring range (at the level of the earth’s crust)
the light is affected by atmospheric turbulence thus distorting the image. With the intention to observe the effect caused by the turbulent medium strongly influenced by temperature on propagation laser beam
we experimented with two variable and controllable temperature systems designed-made for this purpose. The first one is a Turbulador and the second is a parallelepiped glass. Experimental setup information for the laser beam and turbulence temperature in these two systems is captured through a configuration of three (3) CMOS cameras and four (4) temperature sensors (LM35) synchronously. The obtained information is analyzed with the software tool MATLAB ®. This tool allows find the position of the spot mass center in function of time evolution
and it for their deviations caused by different turbulent conditions generated inside the two temperature manufactured systems. The results were reflected in the statistical analysis of the centroid translation.
- Rights
- License
- Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)