Wednesday, March 11, 2020

Eye safety

Many people think that the most dangerous thing about working with fiber optics is the possibility of hurting their eyes with the laser light on the fiber.  They seem to confuse the optical fiber for communications with the high-power laser-coupled optical fiber used to cut metal, so that the doctor burns warts or they may have seen many science fiction movies.

In fact, most fiber optic systems do not have the power to cause damage to your eyes. In addition, the light that comes from a fiber expands, so that the further you are from the end of the fiber, the lower the exposure.   That said, consider yourself warned. In recent times, some fiber optic systems have sufficient power to be dangerous, and some fiber optic inspection techniques used in operating systems may increase the possibility of damage. However, this is not the biggest danger that installers face. 

The key to understanding the problem of electricity is to understand the power levels, the wavelength and the nature of the transmission of light in the optical fiber.

The fiber optic medical laser systems used for surgeries and mechanized laser systems have sufficient power to cause damage to the eyes, as well as to burn warts or produce some types of materials.   These systems use high power laser, in general CO2 laser, which emits radiation at a wavelength that is heat instead of light, of around a 10 micron wavelength. This wavelength is quickly absorbed by the materials and heats them quickly, cutting them easily. 

Also Read: Fiber optic jobs near me

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