NakuLaser Blog

 Ytterbium-doped fiber amplifier (YDFA) generates gain by pumping ytterbium-doped fiber with semiconductor laser , which is used to amplify laser signals in the 1030~1100nm band, Hi1060 single-mode fiber output, the output power is continuously adjustable, with high gain and low The advantage of 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. What we are going to talk about today is 37dBm 5W single-mode YDFA and 40dBm 10W PM YDFA. First up is 5W SM YDFA. This fiber amplifier built-in 3 cooling fans.  The test report of YDFA-37-SM. The following is 40dBm PM YDFA. It's a high power polarization maintaining ytterbium-doped optical amplifier. Civil Laser's high power...

 It is 455nm 18W blue laser system . The laser head is equipped with a heat sink. The heat sink has 3 cooling fans, which can effectively extend the continuous working time of the high-power laser. There is a small power interface on the side of the data cable close to the laser head for the cooling fan. In addition, the Lock crystal head cannot be pulled out. External signal Mod Input, no need to connect in CW working mode. This is a power adjustable laser by adjusting the current. Turn the 'Adjustor' knob clockwise to adajust the current, when the current exceeds the minimum working current, the Laser indicator turns green, and there is laser output at this time. 'Adjustor' rotates clockwise to the end,  which is the maximum working current and the maximum output power of the laser. In addition, the red STOP button is used for emergency stop, and it is not needed under normal circumstances. Safety reminder: Wear laser safety glasses when operating high-power lasers . ...

 This is 445nm 24W high power semiconductor laser . The power supply has LED display, which can display the current working current. The 'Adjustor' knob is used to adjust the current to control the output power. On the back of the laser power supply, there are 3 working modes to choose from: CW, TTL and Analog. The laser head can be customized to add heat sink, fiber coupling can also be custom added. Demonstration of laser operation: Connect the AC power cord. Slide the working mode to CW, continuous light mode. Connect the laser head and laser power supply. Insert the key. Turn on the power switch, the red button goes to ON. Then turn on the laser control key, the key turns ON. Rotate the knob Adjustor to adjust the laser output power to a suitable size. Important reminder: It is strictly forbidden to irradiate the human body with laser light, especially the eyes. Laser protective glasses must be worn during operation. This 24W high-power laser , the reflected light may als...

 This is 690nm 800mW red laser source . 690nm laser is red semiconductor laser system, among the red laser, 690nm belongs to the longer wavelength laser. The laser power is adjustable from 0 to 800mW. Turn on the laser, rotate the button to adjust the laser power to the max. Let's check it now. The laser's test data report.    

 It's 520nm 4W fiber coupled laser module . The output fiber consists of 5 105μm fibers. The laser does not contain a drive circuit, and the drive circuit is external. The fiber beam combining module is a multi-tube core combined beam semiconductor laser . Large contact area, low current package form, more stable performance, more convenient to use. The optical fiber parameters can be customized, and the built-in cooling chip will make the device performance more reliable and stable. Let's check it now. [Specifications] Product Name: Fiber Coupled Laser Wavelength: 520±10(nm) Output Power: 4000mW Fiber Core Diameter: 400μm (105μm*5 Fibers  Combining) Numerical Aperture: 0.22 Fiber Connecter: FC/PC Operating Voltage: 35V Operating Current: 1.6A Threshold Current: 0.27A Power Conversion Efficiency: 15% Micro-component Efficiency: 4.2 W/A Operating Temperature: 10~35℃ Storage Temperature: -20~60℃ Operating Humidity: <60% Lifetime: >10000 hours

 It's a 355nm Ultra-violet lab laser system. Q-Switched laser at 355nm has the features of high peak power, high repetition rate, and short pulse duration, which is used in scientific research, biology and so on. 5W high power UV laser, water cooling mode is required. Let's check it now.   [Specifications] Product Name: 355nm UV Q-Switched Laser Lead Time: 3~4 weeks Output Wavelength: 355nm±1nm Output Power (Average power): 1~5W  (5W@30KHz) Operating Mode: Pulse laser / Acousto-Optic Q-Switched Single Pulse Energy: 1~250uJ ( 250uJ@20KHz , 160uJ@30KHz, 100uJ@40KHz) Pulse Width: Typically 15ns@30KHz Rep. Rate(kHz): 10~100 KHz Peak Power: 1~10KW (10KW@30kHz) Ave Power Stability: <5%  Beam Divergence(full angle): <2  mrad  Beam Diameter at Aperture(1/e2): <1.3mm Beam Height from Base Plate: Near 76mm Polarization Ratio and Direction: >100:1, Horizontal Cooled Method: Water Cooled Warm Up Time: <10 minutes Operating Temperature: 15~30℃ Operating...

 It's a 785nm semiconductor laser , it's support CW and modulation, the output power is tunable. The laser output power can be adjusted by turning the silver button. The working voltage is 90~240V, which is suitable for most countries and regions in the world. 785nm laser is near invisible laser. The laser light is weak, but the energy is strong. And the packaging of the products has been fully shockproof. Let's check it now.  

 It's a blue-violet laser system . The laser power can be adjusted through the rotary button on the power supply. Its working voltage is 90~240V. This semiconductor laser is near TEM00 mode. The laser beam quality is very good and the stability is high. It is a commonly used laser light source in scientific research. Let's check it now.

 This is a 13W RGB multi wavelength laser system with radiator. It supports CW and modulation. The white laser beam is a laser synthesized by red, green and blue lasers. Each laser has a separate control switch and power adjustment button. Let's check it now.

It is a 6W red semiconductor laser system . The laser head added a radiator, support longer continous work. The radiator is composed of aluminum sheet and cooling fan. There are CW/TTL/Analog 3 working mode . Its high power red laser beam, we need wear protective glasses.0~6 watt laser power can be adjusted by the button. Let's check it now.

This is a 515nm 10W green laser system. It has three working mode can be choosen: CW, TTL and Analog modulation. During installation, if the laser needs to work continuously for a long time, connect the fan power of the radiator. Adjust the laser power by the button. Let's check it now.

It's a 808nm 10W high power infrared fiber coupled laser. This 808nm laser system includes a laser head, a power supply, a fiber, a collimator. There are CW, TTL, Analog 3 working mode can be choosen. And the focal length of collimator is adjustable. Let's check it now.

405nm 1000mw semiconductor laser with power supply Default type(fixed focal length) VS Custom type(add focus adjustable lens)

It's a 450nm high power laser system, the max output power is 50000mW . Heat sink can be added to laser head. And the output power can be adjusted by adjusting the current. This laser has three working mode: CW/TTL/Analog modulation. Let's check it now.

C-Band 15~26dBm  EDFA  In-Line Amplifier Desktop Type With LCD Display In-Line amplifier (LA)  is an optical power amplifier product dedicated to line relays in fiber laser or fiber communication systems. It combines the advantages of PA amplifiers and BA amplifiers. It has the advantages of high gain, high transmission power, and relatively low noise. Between fiber segments to increase the length of the relay or the corresponding single-point to multi-point part of the optical access network to compensate for the branch loss. [Features] Wide wavelength range High gain factor High output power [Applications] Optical fiber communication Optical fiber sensing Fiber laser [Specification] Parameters Unit Typical Value Remarks Wavelength Range nm 1530~1565nm C-band Input power dBm -25 ~ -3 Saturated Output Power dBm 13/17/23/25/26 @-10dBm input Small Signal Gain Factor dB 35 @-25dBm Input Noise Figure dB 5.5 @ -10...

It is a 440nm blue semiconductor laser with adjustable power supply, the output power can be adjusted from 0~ 4000mW by adjusting the current. There are three modes to choose from CW , TTL modulation and analog modulation. The Power stability is 0.04%. Let's check it now.

It's the 465nm 9W laser system. The laser head can add the cooling fan and the collimator (Default not installed). This laser system use a current adjustable power supply. The laser output power is 0~9000mW adjustable by button. There are 3 working mode CW and TTL/Analog modulation .The Power stability is 0.03%, the stability of the laser is very good.

It’s a  520nm green laser system . 0~2watt laser power is adjustable by current adjustor. It supports Continuous work and TTL/Analog modulation. 3 working mode together. And the laser stability is very good.

This is a 10-ring concentric circle laser module . The ring width can be adjusted to meet your different requirements. And the output also can be adjusted by adjusting the voltage. Let’s check it now.

SM Red Laser 635nm 150mW Single Mode Fiber Coupled Lase r  [Specifications] Product Name: 635nm Fiber Coupled Laser Lead Time: 1~3 weeks! Custom product available! Output Wavelength: 635nm Output Power: 150mW (at Laser head) Fiber Output power: Coupling efficiency is about 40% Fiber Type: SM fiber (Single Mode fiber) Fiber Core Diameter: 3.5μm~9μm Fiber Length：1m Interface Type: FC/PC, SMA905, FC/APC (choose) Spatial Mode: TEM00 Operating Mode: CW or Modulation Modulation:  0~30khz Analog or TTL Power Stability: <3% per 4 hrs Temperature Stabilizing: TEC Warm Up Time: <1 minutes MTTF(mean time to failure): 10,000 hrs Power Supply: Standard type power supply / Lab Adjustable power supply (Choose)