How to Choose A Fiber Laser Machine

Laser amplification is achieved by stimulated radiation. In the optical fiber, specific excited state active substances are called activators. It is usually a rare earth ion. Such as ytterbium, neodymium, erbium. When external energy is injected into the activator, the electrons of the activator are excited to a high energy level. When an electron at a high energy level is excited by an incident photon, it can produce a new photon of the same frequency and phase as the incident photon by the mechanism of stimulated radiation. It amplifies the laser signal.

To generate laser amplification, fiber lasers need a feedback mechanism. So, it is easy to amplify the laser signal many times in the fiber. It is usually done by placing optical mirrors or gratings at either end of the fiber. This optical cavity can propagate the laser signal back and forth in the laser amplification medium. It will result in continuous enhancement of the laser signal. One of the mirrors is translucent, allowing some laser photons to escape. It is the output of the laser.

When the photons emitted by the electrons in the activator are reflected and amplified several times through the optical cavity, they will reach a high enough energy and coherence. It creates a laser beam. This laser beam escapes through the translucent mirror and becomes the laser’s output.

Fiber lasers are designed to maximize fiber optics’ small size and flexibility. So it can make very compact devices. It makes them suitable for limited-space applications while facilitating integration into complex systems.

Beam propagation in optical fibers is limited by waveguide guidance. Therefore, the beam of a fiber laser machine usually has high quality and coherence. It can be focused on more minor points and is suitable for precision machining and imaging applications.

The structure of the fiber laser machine is simple, and no complex optical components need to be positioned and calibrated. It makes them generally stable and reliable over long periods.

Fiber lasers usually have high electro-optical conversion efficiency. It can convert the input electrical energy into a laser output, reducing energy waste.

Fiber lasers in different wavelength ranges can be manufactured by selecting appropriate activators and doping materials. It gives them flexibility in medical, communications, and scientific research applications.

The beam in a fiber laser travels through the fiber and is less disturbed by the external environment. Such as mechanical vibration and electromagnetic interference. It helps maintain high output stability.

Because of the low transmission loss of fiber, fiber lasers can be used for long-distance laser signal transmission. Such as in communications and sensing applications.

By controlling the input current or other parameters, the output power of the fiber laser can be easily adjusted. It can meet the requirements of different applications.

• Identify your application area. Such as material processing, medical treatment, communications, scientific research, etc.
• Determine the primary use of the laser, such as cutting, welding, marking, etc.
• Specify the desired laser output wavelength, power range, and beam quality.

• Output power: Determine the required output power range according to the application’s needs.
• Wavelength range: Select the wavelength range suitable for the application. It is usually based on material characteristics or transmission requirements.
• Beam quality: Select the laser with the correct beam quality according to the accuracy requirements.

• Consider the reliability and long-term stability of the laser. Especially for applications that need continuous operation.
• Check the reliability data and warranty policies provided by the manufacturer. Learn about the life expectancy and stability of lasers.

• Filter laser options that meet the expected performance based on the budget range.
• Consider not only buy costs but also operating costs, maintenance costs, and additional equipment costs.

• Choose a manufacturer or supplier with a good reputation and reliable technical support.
• Understand after-sales service policies, including repairs, upgrades, and replacements.

• Search online for relevant user reviews and experience sharing to learn about other users’ experiences.
• Consult channels such as professional forums, social media, and trade shows.

Considering the above factors, choose the fiber laser that suits your needs. The final choice should result from balancing performance, reliability, cost, and application requirements. If you need more specific advice, it is recommended that you consult the laser manufacturer.