Erbium Fiber Laser Optics/Parts
Eternal Optics manufactures precision Erbium Fiber Laser Optics and optical components optimized for 1550 nm laser systems. Designed for erbium-doped fiber lasers (EDFLs), our optics deliver excellent transmission, low optical loss, high laser damage resistance, and exceptional beam quality, making them ideal for applications requiring eye-safe laser wavelengths and long-term optical stability.
Our product portfolio includes Optical Windows, Protective Windows, Collimating Lenses, Focusing Lenses, Beam Splitters, High Reflective Mirrors, and other precision 1550 nm Laser Optical Components. Each optic is manufactured using premium optical materials and advanced dielectric coatings to ensure reliable performance in both continuous-wave (CW) and pulsed erbium fiber laser systems.
In addition to our standard product range, Eternal Optics provides Custom Erbium Fiber Laser Optics tailored to your exact requirements. We support customized optical materials, dimensions, focal lengths, AR and HR coatings, surface quality, mounting configurations, and OEM manufacturing for laser equipment manufacturers, photonics companies, and research institutions worldwide.
Our 1550 nm Laser Optical Components are widely used in:
Fiber Optic Communication Systems
LiDAR and Laser Ranging
Optical Sensing and Measurement
Medical Laser Equipment
Ophthalmic and Dermatology Systems
Precision Material Processing
Scientific Research
Defense and Security Applications
With advanced coating technology, precision manufacturing, and rigorous quality control, Eternal Optics is a trusted supplier of Erbium Fiber Laser Optics, 1550 nm Laser Optics, Eye-Safe Laser Optical Components, and Custom 1550 nm Optical Solutions, helping customers achieve superior optical performance and long-term reliability in demanding laser applications.
Erbium Fiber Laser Telecentric F-Theta Scan Lens
Telecentric F-Theta Scan lens is a special type of lens system whereby the deflected off-axial laser beam can be per- pendicularly focused to work piece as similar to the on-axial focusing beam. The advantage of the telecentric scan lens is that it is able to flatten the field curvature to the least distortion and yet offering superb spot quality throughout the scan field. For high powered laser and ultrafast laser source, we offer TSL-Q Series Telecentric F-Theta Scan Lens to mini- mize thermal lensing and focal shift.
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Erbium Fiber Laser F-Theta Scan Lens
F-Theta lenses are commonly used in galvanometer scanning systems for laser marking, engraving and cutting; with the ability to deliver a focused spot to many points within a scanning field. We also supply lens adaptors for major scan head providers in the world.
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Erbium Fiber Laser Beam Expander
The most common type beam expander is derived from the Galilean telescope which usually has one negative input lens and one positive output lens. The input lens presents a virtual beam focus at the output. For low expansion ratios, the Galilean telescope is most often em- ployed due to simplicity, small package size and low cost. Beam expanders are commonly used to magnify the laser diameter that is to be focused back in a smaller spot size.
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Erbium Fiber Laser Zoom Beam Expander
We provide BXZ Series Zoom Expanders with variable zoom factors, covering wavelengths from UV to the IR. 4-axis or 5-axis stages for easy adjustment and alignment are available upon request.
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