Do need to wear laser goggles when using fiber lasers?

In today's era of rapid technological development, the application of laser technology is becoming more and more widespread, and lasers are also widely used by more and more people. Fiber lasers are one of them. Next, let's talk about what fiber lasers are, what harm fiber lasers do to human eyes, and the issue that people are most concerned about. Do you need to wear laser goggles when using fiber lasers?

1.What is the fiber laser?

Fiber laser is an advanced laser device.

Fiber laser is mainly composed of pump source, gain fiber, fiber grating, etc. It uses fiber doped with rare earth elements as gain medium to generate laser under the excitation of pump light.

From the working principle, the light emitted by the pump source is injected into the gain fiber, and the light is continuously amplified in the fiber through the stimulated radiation process, and finally forms a high-power, high-quality laser output. Fiber grating is used to select specific wavelengths and stabilize laser output.

In terms of performance characteristics, fiber laser has the advantages of high conversion efficiency, good beam quality, high reliability and compact structure. It can output high-power laser beams and can be widely used in industrial processing fields such as cutting, welding, marking, etc.; in the medical field, it can be used for minimally invasive surgery, skin disease treatment, etc.; in the scientific research field, it can be used for spectral analysis, material research, etc.

In short, fiber laser is a powerful and widely used high-tech equipment, which plays an important role in modern industry, medical care and scientific research.

2.What are the damages of fiber laser to the eyes?

The damages of fiber laser to the eyes mainly include the following aspects:

① Retinal damage

The energy of fiber laser is highly concentrated. When it is directly irradiated or accidentally reflected to the eyes, especially high-intensity fiber laser, it can instantly focus on the retina and cause retinal burns. This burn may cause retinal holes and bleeding, seriously affecting the normal function of the retina. Mild retinal damage may cause symptoms such as decreased vision, blurred vision, dark spots or black spots in the field of vision; in severe cases, it may cause permanent blindness, which has a great impact on the patient's quality of life.

②Corneal damage

Fiber laser may also cause damage to the cornea. The cornea is the outermost transparent tissue of the eye, which plays a role in protecting the internal structure of the eyeball and focusing light. Laser irradiation can damage corneal epithelial cells, causing corneal edema and turbidity. Patients will feel symptoms such as eye pain, photophobia, and tearing, which will affect normal visual perception. If the damage is more serious, it may cause serious consequences such as corneal ulcers and perforations, further threatening the integrity and vision of the eyeball.

③Lens damage

Fiber laser irradiation may also affect the lens. The lens is located inside the eyeball and is responsible for adjusting the focal length of the eye. Laser energy may cause the lens protein to denature, causing lens opacity, that is, the formation of cataracts. Initial cataracts may manifest as gradually blurred vision. As the disease progresses, the vision loss will become more and more obvious, and eventually surgery may be required to replace the lens.

④ Other potential hazards

In addition to direct damage to eye tissues, fiber laser damage to the eye may also cause a series of secondary problems. For example, retinal damage may lead to retinal detachment, further aggravating vision damage; if corneal damage is not handled properly, it may cause infection, causing keratitis or even endophthalmitis and other serious eye infections, which seriously threaten the health and vision of the eyeball.

3.Do need to wear laser goggles when using fiber lasers?

Because fiber lasers can cause serious damage to the eyes, including retinal damage, corneal damage, lens damage, and other potential hazards, goggles are essential when using fiber lasers.

The high power and intensity of fiber laser beams can lead to burns on the retina and permanent vision loss. Even brief exposure to these beams can be extremely dangerous.

Therefore, it is crucial to wear appropriate eye protection, such as specialized laser safety glasses or goggles, designed to block the specific wavelengths emitted by the fiber laser. These protective eyewear are made of materials that can absorb or reflect the laser light, reducing the risk of eye damage.

In conclusion, you definitely need wear laser goggles when working with fiber lasers to safeguard your vision and prevent serious eye injuries.

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