Tag Archives: fiber coupled laser
940nm 30W Software Control IR Fiber Laser Module
It is a 940nm IR fiber couled laser module. Its output power is up to 30W and it has two built-in cooling fans. The one shown in our laboratory today can be controlled by software. It means that we can control the output power on the computer.
High-power laser light source is based on high-performance semiconductor laser chip, 105/125μm fiber coupling output. The professionally designed constant current drive and temperature control circuit ensure the safe and stable operation of the laser. Ideal for medical research, fiber laser pumping, and other production testing.
The following are several sets of data we tested today:
Set the working current to 500mA, the laser output power to 194mW, and the laser spot can be seen on the infrared observation card.
The current is set to 2000mA and the laser power is close to 5W. When the laser shines on the sponge, white smoke will emit directly.
The current is set to 6000mA and the laser power exceeds 15W. When the laser shines on the cardboard, it can ignite quickly.
The interface to the control software.
The parameter table and spectral diagram of 940nm laser.
The relationship between operating current and output laser.
Warm reminder: Although this is an infrared laser, it has very high power. You must wear infrared laser protective glasses when operating it.
395nm 2W UV Laser Source Fiber Output
This is 395nm 2000mW UV laser source system. The laser module with radiator on the bottom and the radiator includes 2 cooling fans. When the laser is working, the operating current is displayed on the laser power supply, and the laser output power can be adjusted by rotating the button. 395nm is a near-ultraviolet laser, and a weak blue-violet light spot can be seen on the light shielding plate. Let’s check it now.
As can be seen from the video, this is a fiber optic coupling device, which is a multi-mode fiber and the fiber is pluggable. The coupling optical fiber can be customized. The one used here is 100μm, 2m in length, and the interface is FC/PC. There is a buckle on the interface. When installing the optical fiber, insert the optical fiber into the buckle and tighten it.
40W 637nm Powerful Fiber Laser System Operation Video
This is a 637nm 40W powerful lab fiber coupled laser system. The laser module includes a radiator. The laser power supply has a current display and the ‘Adjustor’ knob can adjust the laser output. The three working modes of CW/TTL/Analog can be switched on the back of the power supply.
When no optical fiber is installed, the light spots are scattered. The optical fiber used here is 600μm, SMA905 interface. The high power red laser beam from the fiber port. Let’s check it now.
488nm Single-mode Fiber Laser System Module Type
Today we bring a 488nm single-mode fiber laser module. 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).
This is a modular structure, and the desktop model can also be customized. The laser output power can be adjusted, and the adjustment range is 10% ~ 100%. The laser can be controlled by software, connected to the computer via RS232-USB.
The fiber here is single-mode, and polarization-maintaining fiber can also be customized.
Datasheet of actual measurements of the laser.
The spectrum diagram and power stability test diagram of the laser.
772nm Fiber Laser CW Working Mode Operation Video
What we are going to demonstrate in today’s video is a 772nm 1W fiber coupled laser. The output power of the laser is adjustable from 0 to 1000mW, which can be adjusted by the knob. It supports 3 working modes, CW/TTL/Analog, switch the working mode on the back of the laser power supply. In TTL/Analog modulation mode, an external modulation signal needs to be connected.
The optical fiber is pluggable and customizable. The fiber core diameter,fiber length and interface can be customized according to customer needs. 100μm to 1000μm fiber is optional, the coupling efficiency of different fibers will be somewhat different. The larger the core diameter, the higher the coupling efficiency, usually the coupling efficiency is 80%~90%.
The 772nm laser is a near-infrared laser, and the light spot is dim.
660nm Red Semiconductor Laser Coupled Fiber Optic
What I’m going to talk about today is 660nm 1800mW fiber laser system. It supports 3 working modes, CW/TTL/Analog. In TTL/Analog modulation mode, an external modulation signal needs to be connected. In addition, the Lock crystal head cannot be pulled out. External signal Mod Input, no need to connect in CW working mode.
The optic fiber can be customized. Here is 1000μm SMA905 interface fiber. 100μm to 1000μm fiber is optional, the coupling efficiency of different fibers will be somewhat different. The larger the core diameter, the higher the coupling efficiency, usually the coupling efficiency is 80~90%.
To adjust the output power by adjusting the working current:
Turn the ‘Adjustor’ knob clockwise, when the current exceeds the minimum working current, the Laser indicator light turns green, and there is laser output at this time. When the ‘Adjustor’ is rotated clockwise to the end, it is the max working current and the max output power of the laser. In addition, the red STOP button is used for emergency stop, and it is not used under normal circumstances.
1615nm IR Invisible Fiber Laser Source
This is a 1615nm 200mW infrared fiber coupled laser source. The output power is 0~200mW adjustable by adjusting the working current. Turn the ‘Adjustor’ knob on the power supply clockwise, when the current exceeds the minimum working current, the Laser indicator light turns green, and there is laser output at this time. When the ‘Adjustor’ is rotated clockwise to the end, it is the max working current and the max output power of the laser.
The Optical fiber is removable. The optical fiber interface is FC/PC, and it can be customized. The 1615nm laser is an infrared laser, which cannot be observed by the human eye. We use an infrared sensitive film to observe the light spot.
1030nm 30dBm 1W SM Fiber Laser Source Benchtop
This laser adopts all-fiber laser technology, professionally designed and driven temperature control circuit and control to ensure the safe operation of the laser and stable laser output power and spectrum. It is suitable as a seed laser for higher power laser systems, and can also be used for production testing of optical fiber devices. It can be provided in benchtop or modular packaging.
It is a single-mode fiber copuled laser at 1030nm 1000mW. The laser output power is adjustable from 100mW~1000mW, and the adjustment accuracy is 1mW. It can be adjusted by buttons. Customizable software control function, connect with computer via RS232-USB. Configured with single-mode fiber Hi1060, and can also customize polarization-maintaining fiber output.
1030nm is invisible light, we use infrared photosensitive film to observe the light spot.
The Test Data Sheet & Spectrum at 1030nm, spectral bandwidth <0.2nm.
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.
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.
543nm Green Solid State Laser with SMA905 Optical Fiber
This is a 543nm solid state laser system. The output power is 100mW, it can be adjusted by the rotary button on the power supply. The red button is the power switch. The key is a laser switch. The middle LCD shows the current working current. The rotary button on the right is to adjust the current size.
There are 3 working modes for the laser to choose from. Select the working mode CW/TTL/Analog by the sliding button on the back of the power supply.
This laser coupled a 1000μm, 3 meters in length, SMA905 interface fiber, and its can be customized.
The effect of laser output from the fiber port.
