Tag Archives: PM fiber

C-Band 37dBm PM Erbium-doped Fiber Amplifier

The C-band high-power polarization-maintaining erbium-doped fiber amplifier is based on the principle of laser amplification of optical signals in erbium-doped fibers, and adopts a unique multi-stage optical amplification design and reliable high-power laser heat dissipation technology to achieve high-power lasers with wavelengths of 1535~1565nm, PM output. It has the advantages of high power, high extinction ratio and low noise, and can be used in optical fiber communication, lidar, etc.

This is a 37dBm polarization maintaining EDFA. Both PM and SM fibers can be customized. The high power erbium-doped fiber amplifier module type has heat sink. We can control the EDFA through software or host computer commands.

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The interface of the control software.

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The test report of 37dBm EDFA.

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2023 New PM Erbium-doped Fiber Amplifier

This is a C-Band Erbium Doped Fiber Amplifier, high gain and low noise. It is the latest style of 2023, with a silver shell. The heat sink of the fiber amplifier is upward. This is Polarization-Maintaining Erbium-Doped Fiber Amplifier, SM Fiber EDFA can also be customized.

Polarization-maintaining erbium-doped fiber amplifier (EDFA-PM) is a family of fiber amplifier products dedicated to polarization-maintaining fiber systems. It has the advantages of high gain, low noise, and polarization retention. It supports host computer software control. Need to provide bench-top or rack-mount package, accept parameter customization.

The data sheet of C-Band 27dBm PM EDFA.

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It’s Optical Spectrum of Amplified 1550.12nm signal.

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Output power VS Pump current curve.

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The power stability test @0.5W, 0dBm input, in APC mode.

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1030~1100nm 10W PM Optical Fiber Amplifier YDFA

Ytterbium-doped fiber amplifier (YDFA) generates gain by pumping ytterbium-doped fiber with a semiconductor laser, and is used to amplify laser signals in the 1030~1100nm band. PM980 polarization-maintaining fiber output, the output power is continuously adjustable, and has the advantages of high gain and low noise. The desktop YDFA is convenient for experimental operation, and the user can adjust the pump current and output power through the buttons on the front panel. A more compact modular YDFA is also available, which is convenient for users’ system integration. Both desktop YDFA and modular YDFA can support PC software control and serial port command control.

The following video explains the 40dBm polarization maintaining YDFA becnhtop.  It supports APC and ACC two working modes can be switched. In APC mode, the output power can be adjusted. In ACC mode, the working current can be adjusted. Let’s check it now.

It’s a high power polarization maintaining ytterbium-doped optical amplifier. Civil Laser’s 10W high power YDFA include a ‘Monitor’ fiber. The software control function can be customized, and the default is button control. The working current or output power can be adjusted by the button.

YDFA’s test report.

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Ytterbium-doped Fiber Amplifier PM Fiber Laser Source Benchtop

The following is a demonstration of the operation of the desktop YDFA button control.  Let’s check it now.

This is a Ytterbium Doped Fiber Amplifier with PM Fiber. The working wavelength is 1030nm~1070nm. It supports ACC and APC working modes. We can switch the APC/ACC working mode with the left and right buttons. At the same time, this machine also supports power regulation. In the APC working mode, press the up and down arrow buttons to adjust the power.

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Ytterbium-doped fiber amplifier (YDFA) generates gain by pumping ytterbium-doped fiber with a semiconductor laser, and is used to amplify laser signals in the 1030~1100nm band. PM980 polarization-maintaining fiber output, the output power is continuously adjustable, and has the advantages of high gain and low noise. The desktop YDFA is convenient for experimental operation, and the user can adjust the pump current and output power through the buttons on the front panel. A more compact modular YDFA is also available, which is convenient for users’ system integration. Both desktop YDFA and modular YDFA can support PC software control and serial port command control.

The test report of 27dBm 500mW YDFA.

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1550nm Single Stage PM Optic Isolator

Today we are going to explain the 1550nm single-stage fiber isolator. 1310nm PM fiber isolator is optional. The default fiber is PM1550 fiber. The FC/APC interface is used by default, other interfaces can be customized according to your needs. Let’s check it now.

 

The Polarization Maintaining Isolator is characterized with low insertion loss, high isolation, high return loss, high extinction ratio and excellent environmental stability and reliability. It is ideal for polarization maintaining fiber amplifers, fiber lasers, high speed communication systems and instrumentation applications.

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Test report for 1550nm polarization maintaining fiber isolator.

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1310nm 20mW PM Fiber DFB Laser Source Benchtop

This is a 1310nm 20mW infrared laser coupled optical fiber. The fiber is PM1310 polarization-maintaining fiber, and SMF-28e single-mode fiber can also be customized. In addition, the single-mode fiber coupling interface is a consumable part, we make it into a fixed state and cannot be plugged or unplugged. The power of the laser output can be adjusted by the button, and the adjustment accuracy is 0.1mW. The back of the laser has an RS232 interface, and software control mode can be added.

 

1310nm single-wavelength laser light source uses DFB semiconductor laser chip, polarization-maintaining fiber output, professionally designed drive circuit and TEC control to ensure the safe and stable operation of the laser.

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The test data for a 1310nm laser.

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The spectra of the 1310nm laser at 1mW and 20mW respectively.

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The test data for a 1310nm laser.
The spectra of the 1310nm laser at 1mW and 20mW respectively.