Category Archives: Civil Laser
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.
The interface of the control software.
The test report of 37dBm EDFA.
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.
It’s Optical Spectrum of Amplified 1550.12nm signal.
Output power VS Pump current curve.
The power stability test @0.5W, 0dBm input, in APC mode.
523.5nm DPSS Laser VS 532nm Green Laser
Both 523.5nm and 532nm are green DPSS lasers. The light spots are all in TEM00 mode. 532nm is the most common green laser. Today we will provide a detailed introduction to the 523.5nm laser. The power output of this laser adjustable ranges from 1mW to 50mW. Please watch the video below.
Compared with 532nm laser, 523.5nm laser has narrower line width, better optical performance and higher stability.
523.5nm 50mw dpss laser spot.
532nm 1W green laser besam.
589nm 3W Yellow DPSS Laser For Scientific Research
The 589nm yellow laser is a new light source that has important applications in spectroscopy, laser positioning and navigation, astronomy, and other fields. It also has broad application prospects in the fields of laser sodium guide, laser radar, laser medical, stage performance, urban viewing, defense military and scientific research.
In the video above is a 589nm 3W yellow DPSS laser system. It has two working modes, CW and Modulation, and the switch button is on the back of the laser power supply. Trigger is the modulation signal input interface. There is a protective cover on the connector of the laser module and the laser power supply cable, and the protective cover must be removed before connecting.
Single-mode Fiber Laser 528nm 10mW Green TEM00 Laser Source
In the video below is 528nm 10mW fiber laser system. It is configured with single-mode fiber. The screen can display the current power, and the power can be adjusted through the buttons. 10%~100% output power can be adjusted. The power regulation accuracy is 0.1mW. The highest power of this unit is 10mW, other output power can be customized. Here is SM fiber output, PM fiber output can be customized.
This laser adopts semiconductor laser chip, and the professionally designed drive and temperature control circuit temperature control ensures the safe operation of the laser, stable output power and spectrum, and excellent spot quality (TEM00 mode).
The test data sheet of 528nm 10mW SM fiber laser source.
Spectral graphs at different powers.
Power stability at different power levels. It can be customized to achieve the most stable state under the specified power.
532nm 10W DPSS Laser with Touch Screen Adjustment
532nm DPSS green laser is made features of good beam profile, ultra compact, long lifetime and easy operating, which is widely used in collimation, laser medical treatment, scientific experiment, optical instrument, laser display, etc.
In the video below is a 532nm 10W TEM00 laser. The spectral line width is 0.2nm. Its power supply with a touch screen, which can adjust parameters. And software control functions can also be customized. Let’s check it now.
The main features of this laser:
High power, the actual output is 11.89W.
Good stability, power stability is 0.733%.
Good beam quality, transverse mode is TEM00, M² factor is 1.17.
The laser test report.
Laser Test Report.pdf
435nm 18W Blue Semiconductor Laser Fiber Output
Today we are showing the 435nm fiber coupled laser. The power is 18W, and it is adjustable. The Adjustor button on the power supply is used to adjust the working current, and the laser output power can be adjusted by adjusting the current. The laser supports CW continuous working and Modulation working mode, which can be adjusted by the slider button on the back of the laser power supply. Next we demonstrate the CW working mode of this laser. Let’s check it now.
Laser output without fiber optic installed.
Here the optical fiber interface at the laser module end is FC/PC, align the buckle, insert the fiber, and tighten the fixing nut.
Laser output after installing the optical fiber.
808nm 100mW Semiconductor Laser Coupled PM Optical Fiber
808nm fiber-coupled laser uses PM fiber coupling, which has the advantages of high coupling efficiency and good output laser beam quality. The TEC temperature control system is used to ensure that the laser is more stable and has better performance. Compact structure, strong and reliable, suitable for various industrial and scientific research applications.
This is 808nm 100mW infrared lab laser system coupled PM fiber. The working voltage is AC 90~240V and supports wide range voltage. Its laser power can be adjusted from 0~100mW, and it supports two working modes of CW/Modulation.
808nm is infrared laser, invisible laser, here use infrared sensitive film to observe the spot.
The test report of 808nm 100mW IR PM fiber coupled laser system.
37dBm Yb-doped SM Fiber Amplifier Benchtop
It’s a high power Ytterbium-doped optical amplifier, its output power is 37dBm. And high power YDFA built-in 3 cooling fans. The software control function can be customized, and the default is button control. The current working mode, current and output power are displayed on the front display.
It supports APC and ACC two working modes, and the two modes can be switched. In ACC mode, the working current can be adjusted. In APC mode, the output power can be adjusted.
The test report of YDFA-37-SM.
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.