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How Does a Fiber Laser Work?

Fiber Laser Work

파이버 레이저 are highly efficient, precise tools used across various industries for tasks like cutting, 조각, and marking. Understanding how they work requires exploring their history, components, and the science behind laser technology.


What Are Fiber Lasers?

파이버 레이저 are a specific type of laser where the active medium that generates the laser beam is an optical fiber. These fibers are doped with rare earth elements like erbium, 이테르븀, or neodymium, which allow the fiber to amplify the light inside. Unlike CO2 lasers that use gas, fiber lasers rely on these elements to enhance and guide light into a fine, concentrated beam.

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When Was the Fiber Laser Invented? The History of LASERS

The foundation of 섬유 레이저 technology dates back to the early 1960s with the invention of the laser itself. 용어 “레이저” stands for Light Amplification by Stimulated Emission of Radiation, a concept first demonstrated by Theodore Maiman in 1960. While early lasers were primarily gas-based (like CO2 lasers), 섬유 레이저 기술 was introduced later, around the 1980s, as advancements in optical fibers and rare-earth doping emerged. Fiber lasers quickly gained popularity for their high efficiency and low maintenance.

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Bassov (오른쪽) and Prokhorov (left) show Towns (center) around their lab

How a Laser Works

A laser works by amplifying light and emitting it as a coherent, highly concentrated beam. It starts with a photon that excites atoms in the gain medium (in the case of fiber lasers, the optical fiber doped with rare earth elements). As these atoms return to their ground state, they release photons, which in turn stimulate more photons, creating a cascade effect that amplifies light.

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The Importance of Refraction

Refraction is crucial in laser technology as it helps guide the light within the optical fiber. The optical fiber’s core, with a higher refractive index than the cladding, traps light and forces it to propagate along the fiber’s length, even around bends. This total internal reflection ensures that the light remains confined until it exits as a powerful, focused beam.

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How Is Light Amplified?

Light amplification in fiber lasers happens when energy is introduced into the fiber through a pump diode. This energy excites the rare-earth atoms, causing them to release photons. These photons travel through the fiber core, stimulating other atoms to release even more photons in a chain reaction, ultimately producing a highly amplified and coherent laser beam.

How Is Light Turned Into a Focused Beam?

After amplification, the laser beam is collimated and focused using 렌즈. A collimator ensures the light travels in a parallel direction, while a focusing lens brings the laser beam to a tight focal point. This concentrated energy allows the fiber laser to cut, 새기다, or mark materials with incredible precision, especially metals like stainless steel or aluminum.

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What Are the Types of Fiber Lasers?

Fiber lasers come in various types, each suited for different applications:

  • Continuous Wave (CW) 파이버 레이저: Emit a continuous beam of laser light, ideal for cutting or welding.
  • Pulsed Fiber Lasers: Emit laser pulses at set intervals, perfect for precision tasks like marking or engraving.
  • MOPA (마스터 발진기 전력 증폭기) 파이버 레이저: These offer more control over pulse durations and frequency, enabling detailed engraving on reflective materials like metals.
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What’s the Difference Between Fiber Lasers and CO2 Lasers?

Fiber lasers and CO2 lasers differ significantly in terms of their operational mechanisms and applications. CO2 레이저 use gas (carbon dioxide) as the laser medium, making them excellent for cutting non-metals like wood, 아크릴, or plastics. 하지만, they struggle with metals. 파이버 레이저, 반면에, are better suited for metal applications due to their shorter wavelength (~1.06 µm), which is more effectively absorbed by metal surfaces. 추가적으로, fiber lasers tend to have higher energy efficiency and lower maintenance requirements compared to CO2 lasers.


What is a Fiber Laser Engraver?

섬유 레이저 조각사 is a specialized machine that uses fiber laser technology to mark or engrave various materials, particularly metals. Its precision makes it ideal for intricate designs, 일련번호, 바코드, and logos on items like jewelry, tools, 및 산업용 부품. Unlike traditional engraving methods, ㅏ 섬유 레이저 조각사 uses a non-contact approach, minimizing wear and tear while ensuring detailed, permanent engravings.

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How Long Does a Fiber Laser Last?

One of the significant advantages of fiber lasers is their long operational life. On average, a fiber laser can last 50,000 에게 100,000 시간 before any major components need replacement. This longevity makes fiber lasers highly reliable and cost-effective over time, especially compared to other laser types that may require more frequent maintenance.

What Are the Components of a Fiber Laser?

A typical fiber laser consists of the following key components:

  • Pump Diode: Supplies the energy that excites the atoms in the optical fiber.
  • Optical Fiber: Doped with rare-earth elements like ytterbium or erbium, this fiber amplifies the light.
  • Resonator: Mirrors that reflect the light back and forth, increasing its intensity.
  • Collimator/Focusing Lens: Used to direct and focus the laser beam onto the workpiece.
  • Cooling System: Essential for managing the heat generated during laser operation, ensuring the system runs efficiently.
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What Are the Laser Parameters?

The performance of a fiber laser can be adjusted by modifying various parameters, 포함:

  • Power Output: Measured in watts, determines how much energy the laser emits.
  • 펄스 지속 시간: In pulsed lasers, this refers to how long each laser pulse lasts.
  • 빈도: The number of laser pulses emitted per second.
  • 빔 품질 (M² factor): Determines the focusability of the laser beam, which directly impacts the precision of the engraving or cutting process.
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How Much Does a Fiber Laser Marking Machine Cost?

The price of a 섬유 레이저 마킹 머신 varies depending on the power, features, and brand. 예를 들어, 그만큼 컴마커 B4 섬유 레이저 조각사 is available in different models, with prices typically ranging from $1,000 에게 $8,000 depending on the wattage and additional accessories. 그만큼 B4-60W model offers higher power and precision for cutting thicker metals, while the B4-20W model is a more affordable option for detailed engraving tasks.

B4 20W JPT MOPA 파이버 레이저 조각 기계

$3,221 $2,577 구하다:$644

가지고 다닐 수 있는 & 입수 가능한: B4 MOPA 20W Fiber Laser Engraving Machine, 컴팩트한 크기에 무게 18kg. 전기 리프팅: 정확한 초점을 위한 내장 모터. 다양한 조각: 스테인레스 스틸의 색상, 알루미늄에 흑백, 금속과 암석에 3D 및 깊은 조각 추가. 넓은 작업 공간: 듀얼 렌즈 (110mm, 200mm) 정확한 레드 닷 캘리브레이션으로. Enhanced

0 로터리
D69 로타리
D80 로터리
롤러 로터리
110V
220V

Where to Buy a Fiber Laser Marker Machine?

If you’re looking to purchase a reliable 섬유 레이저 마킹 머신, 컴마커 B4 offers high-performance options suited for both small businesses and industrial use. You can buy the ComMarker B4 series directly from the official ComMarker website, where you can explore different models like the B4-60W and B4-20W. These machines are also available on e-commerce platforms or through authorized distributors.

에 대한 데이비드 리

안녕하세요, 저는 데이빗 리예요, 저는 풍부한 경험과 폭넓은 지식을 갖춘 열정적이고 창의적인 상업용 레이저 조각사이자 마킹 전문가입니다.. 과거에 10 연령, 저는 다양한 상업 프로젝트를 위한 레이저 조각기와 마킹 솔루션에 집중해 왔습니다. 저는 새로운 기술과 디자인 트렌드에 민감합니다. ,최고의 레이저 조각사 및 마킹 경험을 끊임없이 추구합니다.

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