No hay un término más específico para un rayo de luz delgado.
Sin embargo, dependiendo del contexto, puede usar términos como:
* Light beam: This term is generally used for a more concentrated and focused beam of light.
* Rayo de luz: This term is used in geometric optics to represent the path of light as a straight line.
* Light streak: This term might be used to describe a thin, bright line of light that appears to be moving rapidly.
Ultimately, the most appropriate term depends on the specific situation and what you are trying to describe.
