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CW Fiber Lasers

CoSF-D-Tm-M Single Frequency Fiber Laser Module is a low-noise single frequency fiber laser based on Distributed Feedback Bragg Grating (DFB) technology.We have independent intellectual property rights for this fiber laser technology. It allows achieving a stable single frequency laser output with single longitudinal mode, linear ...

Specifications

Center Wavelength: 2000 nm
Output Power: 0.02 W
Output Mode: Single Frequency, Single Longitudinal Mode
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
...
Data Sheet
CoSF-D-YB-M Single Frequency Fiber Laser Module is one of our low-noise single frequency fiber lasers based on Distributed Feedback Bragg Grating (DFB) technology. We have independent intellectual property rights for this fiber laser technology. It allows achieving a stable single frequency laser output with single longitudinal ...

Specifications

Center Wavelength: 1010-1120 nm
Output Power: 50 W
Output Mode: Single Frequency, Single Longitudinal Mode
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
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Data Sheet
CoSF-D-ER-M Single Frequency Fiber Laser Module represents the series of low-noise single frequency fiber lasers based on Distributed Feedback Bragg Grating (DFB) technology. We have independent intellectual property rights for this fiber laser technology. It allows achieving a stable single frequency laser output with single ...

Specifications

Center Wavelength: 1530-1572 nm
Output Power: 0.1 W
Output Mode: Continuous Wave (CW), Single Frequency, Single Longitudinal Mode
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
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Data Sheet
1570nm fiber laser light source adopts DFB semiconductor laser chip, singlemode optical fiber output, professionally designed driving circuit and TEC control to ensure laser safety and stability, which can provide desktop or modular packaging.

Specifications

Center Wavelength: 1570 nm
Output Power: 5 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Spectrum Linewidth: ≤0.1 nm
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Data Sheet
1550nm fiber laser light source adopts DFB semiconductor laser chip, singlemode optical fiber output, professionally designed driving circuit and TEC control to ensure laser safety and stability, which can provide desktop or modular packaging.

Specifications

Center Wavelength: 1550 nm
Output Power: 0.2 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Spectrum Linewidth: ≤ 3 MHz
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Data Sheet
Connet CoSF-R optimized traveling wave cavity ultra-narrow linewidth single-frequency fiber laser is a low-noise ultra-narrow linewidth fiber laser independently developed by patented technology. CoSF-R single-frequency fiber laser uses a unique \"optimized traveling wave cavity\" The design eliminates the standing wave space hole ...

Specifications

Center Wavelength: 1010-1120 nm
Output Power: 10 W
Beam Quality (M^2): 1.1 
Operation Mode: Continuous Wave (CW)
Data Sheet
The 1.5um CW fiber laser of Connet is an eye-safe high power fiber laser. These fiber lasers employ the integrated design of all-fiber structure and use the double cladding fiber pumping technology to realize the high-performance output laser. The output power can be up to 15-100W and the near diffraction limited beam quality can be ...

Specifications

Center Wavelength: 1550 nm
Output Power: 100 W
Beam Quality (M^2): 1.5 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet 1532nm high power CW fiber laser adopts all-fiber integrated design to achieve the high output power up to 30W with the narrow spectral width of <1nm and the near single- mode beam quality. Due to the applied microprocessor-based control systems, the 1532nm high power CW fiber lasers are stable and maintenance-free. The ...

Specifications

Center Wavelength: 1532 nm
Output Power: 30 W
Beam Quality (M^2): 1.2 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet 2.0um (GHz) series of CW fiber lasers use the Master Oscillator Power-Amplifier (MOPA) structure or the direct resonator cavity structure design to achieve the high power output. The generally adopted pumps are the semiconductor or fiber lasers in the bands of 793nm and 1570nm. The outputpolarization can be linear or random. ...

Specifications

Center Wavelength: 1950 nm
Output Power: 40 W
Beam Quality (M^2): 1.2 
Operation Mode: Continuous Wave (CW)
Data Sheet
The 1.5um CW fiber laser of Connet is an eye-safe high power fiber laser. These fiber lasers employ the integrated design of all-fiber structure and use the double cladding fiber pumping technology to realize the high-performance output laser. The output power can be up to 200mW-15W and the near diffraction-limited beam quality can ...

Specifications

Center Wavelength: 1550 nm
Output Power: 15 W
Beam Quality (M^2): 1.1 
Operation Mode: Continuous Wave (CW)
Data Sheet
The 1.0um single-mode CW fiber laser of Connet is a highly integrated continuous Yb-doped fiber laser system with high power output. These fiber lasers employ the integrated design of all-fiber structure and use double cladding fiber pumpingtechnology to realize the high-performance output laser. The output power can be up to 100W ...

Specifications

Center Wavelength: 1064 nm
Output Power: 100 W
Beam Quality (M^2): 1.3 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet 2.0um Band MHz Narrow Linewidth CW Fiber Laser adopts MOPA structure design, built-in MHz level narrow linewidth seed laser such as DFB and DBR to realize the high output power through the optimized design of cascaded fiber amplifiers. Connet has unique suppression technique on fiber nonlinear effects such as stimulated ...

Specifications

Center Wavelength: 2040 nm
Output Power: 100 W
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
Data Sheet
The 1.0um single-mode CW fiber laser of Connet is a highly integrated continuous Yb-doped fiber laser system with high power output. These fiber lasers employ the integrated design of all-fiber structure and use double cladding fiber pumpingtechnology to realize the high-performance output laser. The output power can be up to 20W and ...

Specifications

Center Wavelength: 1064 nm
Output Power: 20 W
Beam Quality (M^2): 1.2 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet 1.0um band GHz Narrow Linewidth Single-frequency Fiber Laser adopts MOPA structure design, built-in singlefrequency narrow linewidth seed laser, spectral broadening realized through optimized design of LiNbO3 phase modulators, output signal linewidth is a few to tens of GHz level. The output linewidth can be easily adjusted by ...

Specifications

Center Wavelength: 1064 nm
Output Power: 0.050 W
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet CoSF-R optimized traveling wave cavity ultra-narrow linewidth single-frequency fiber laser is a low-noise ultra-narrow linewidth fiber laser independently developed by patented technology. CoSF-R single-frequency fiber laser uses a unique \"optimized traveling wave cavity\" The design eliminates the standing wave space hole ...

Specifications

Center Wavelength: 1010-1120 nm
Output Power: 100 W
Beam Quality (M^2): 1.3 
Operation Mode: Continuous Wave (CW)
Data Sheet
Connet 1.0um Band MHz Narrow Linewidth CW Fiber Laser adopts MOPA structure design, built-in with MHz level narrow linewidth seed laser such as DFB and DBR to realize high output power through the optimized design of cascaded fiber amplifiers. Connet has unique suppression technique on fiber nonlinear effects such as stimulated ...

Specifications

Center Wavelength: 1070 nm
Output Power: 50 W
Beam Quality (M^2): 1.05 
Operation Mode: Continuous Wave (CW)
Data Sheet
CoWIND Series 1550nm High Power Single Frequency Fiber Laser Module of Connet is an OEM modular narrow linewidth fiber laser designed for short range high precision wind LiDAR application. The eye-safe working wavelength is adopted. The single-frequency single longitudinal mode ensures the long coherence length. The standard model of ...

Specifications

Center Wavelength: 1550 nm
Output Power: 2 W
Beam Quality (M^2): 1.1 
Operation Mode: Continuous Wave (CW), Modulated, Other
Data Sheet
kW-Class High Power Fiber Laser Products FLC-1000S-W
Fujikura Europe Ltd
kW-class high power fiber laser products.

Specifications

Center Wavelength: 1070 nm
Output Power: 1000 W
Beam Quality (M^2): 1.4 
Operation Mode: Continuous Wave (CW), Modulated
Optical Mode: Single mode 
...
Data Sheet
kW-Class High Power Fiber Laser Products FLC-1000M-W
Fujikura Europe Ltd
kW-class high power fiber laser products.

Specifications

Center Wavelength: 1070 nm
Output Power: 1000 W
Beam Quality (M^2): BPP ≦ 4.5 mm・mrad * 2 
Operation Mode: Modulated
Maximum Modulation: 10 kHz
...
Data Sheet
kW-Class High Power Fiber Laser Products FLC-2000M-W
Fujikura Europe Ltd
kW-class high power fiber laser products.

Specifications

Center Wavelength: 1070 nm
Output Power: 2000 W
Beam Quality (M^2): BPP ≦ 4.5 mm・mrad * 2 
Operation Mode: Continuous Wave (CW), Modulated
Maximum Modulation: 10 kHz
Data Sheet
MFMC Series CW Fiber Laser product sprovide a wide range of wavelength from 1060nm to 1100nm.The lasers are water-cooled and maintenance-free and with a wall plug efficiency of more than 25% and deliver high efficiency, high reliability and high performance.Maxphotonics\' MFMC Series CW Fiber Laser Series are Class 4 laser products ...

Specifications

Center Wavelength: 1080 nm
Output Power: 4000 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Operation Mode: CW/Modulated 
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Data Sheet
MM Fiber Coupled High Power Pump Laser is based on high-performance semiconductor laser chip, using professionally designed constant current drive and TEC control to ensure safe and stable laser work, 105/125um fiber coupled output. The power fluctuation is less than 3%, and the spectral stability is better than ±3nm. It is ...

Specifications

Center Wavelength: 915 nm
Output Power: 50 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Central Wavelength Options: 793, 808, 976 nm
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Data Sheet
The 974/976nm single-wavelength laser adopts a butterfly-shaped semiconductor laser chip with fiber FBG frequency locking. The professionally designed drive circuit and TEC control ensure the safe operation of the laser, and the output power and spectrum are stable. It is suitable as a pump laser source for fiber lasers or fiber ...

Specifications

Center Wavelength: 974 nm
Output Power: 1 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Output Power Options: 200/400/600/1000 mW
...
Data Sheet
1030/1064/1070nm Fiber Laser adopt butterfly-shaped semiconductor laser chip, professionally designed drive circuit and TEC control to ensure the safe operation of the laser, stable output power and spectrum. It is suitable as a seed laser for high-power lasers, and can also be used for production testing of 1064nm wavelength optical ...

Specifications

Center Wavelength: 1064 nm
Output Power: 0.5 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Spectral Width: < 0.1 nm
...
Data Sheet
The single-mode fiber output 1450 nm band semiconductor laser light source uses high-performance butterfly semiconductor lasers, and uses professionally designed drive circuits and TEC control to ensure safe and stable laser operation. It is suitable as the pump light source of the fiber Raman amplifier, and can be provided in a ...

Specifications

Center Wavelength: 1450 nm
Output Power: 0.5 W
Beam Quality (M^2): -- 
Operation Mode: Continuous Wave (CW)
Center Wavelength Options: 1425/1435/1455/1465 nm 
...
Data Sheet

Frequently Asked Questions

In fiber lasers the active gain medium is an optical fiber doped with rare elements. A pump source, typically a laser diode is coupled into the core of a doped optical fiber where stimulated emission occurs. Doping the optical fiber with rare earth element such as ytterbium, erbium, holmium, etc. creates the medium where population inversion is enabled and where light amplification by stimulated emission occurs. The light generated is then amplified upon thousands of reflections off the nodes of a fiber Bragg grating which acts as the “cavity mirrors” similar to that of a traditional free-space laser. Fiber Bragg grating acts as the optical filter allowing reflection of only specific modes in the laser cavity.

Fiber Bragg grating (FBG) is a periodic structure (segment of periodic variation of optical index) created inside the fiber core that causes the light to diffract, reflect or transmit based on the phase and wavelength. These periodic structures applied to the core of the optical fibers are typically a few millimeters or centimeters long with a period that is on the order of a wavelength or hundreds of nanometers. FBG acts as an effective optical filter in fiber optic devices including fiber lasers.

Single-mode and multimode fibers are both used in designing and producing fiber lasers. However, single-mode fiber lasers tend to be more efficient and have a higher beam quality. Not to mention that single-mode fiber lasers do not suffer from mode hopping. In particular, ultra-narrow linewidth fiber lasers are constructed of single mode fibers doped with rare elements.

Supercontinuum generation exploits the nonlinear effects of certain optical media. Therefore, the fibers used in supercontinuum lasers are made of strongly nonlinear materials. These fibers will also need to provide good transmission throughout the entire amplification bandwidth. Fluoride based optical fibers are often used in supercontinuum fiber lasers.

While free-space lasers can last up to 15 years, fiber lasers enjoy a much longer lifespan which could reach 45 years or the equivalent of 100,000 hours of operation. This longevity is thanks to the compact sealed design that has fully integrated cavity without any free space intracavity optics that exists in other DPSS lasers.

Owing to their strong power output, CW fiber lasers are widely used in laser machining applications such as laser cutting, drilling, marking, and welding. They are also used in many research areas to perform precision measurements, spectroscopy, laser pumping, and optical testing.

You are probably referring to the external fiber that couples the laser output to other devices. Typically, the fiber length ranges between 0.5 and 1m in fiber lasers. However, the fiber end is attached to a connector which makes it very easy and simple to connect to other fibers if needed. The length of the optical fiber inside the cavity is fixed and determines the amplification gain.

Some units offer a tunable wavelength feature which allows the user to select a wavelength out of a few options. Supercontinuum fiber lasers can be used along with a bandpass filter to filter out the desired wavelength as well.

Many suppliers of CW fiber lasers offer models with both linear and random polarization. Less frequently, circular polarization is also an available option on market from many suppliers.

Did You know?

The first fiber laser was operated in a Nd-doped glass fiber and was transversely pumped by coiling the fiber around a flash lamp. It consisted of a diode pump laser, and a wavelength selective coupler that allowed the pump wavelength to enter the fiber transmission system without disturbing the signal. Fiber lasers have potential applications in production of ultra-short pulses as well as in distance communications where optically transmitted signal can obtain a direct optical "boost" or amplification as it travels from one continent to another. This supersedes the earlier technique of converting the optical signal to an electrical one, amplifying it, and then re-inserting it into the fiber for further optical transmission.