NakuLaser Blog

 Today our laboratory tested a 1085nm 2W infrared fiber-coupled laser.   There are 3 working modes to choose from: CW/TTL/Analog on the back of the power supply. Let's check it now. 1085nm is an infrared laser, and the spot is invisible to our naked eyes. The light spot can be captured by the camera. We can also use an infrared detection card to observe the laser spot. Through the sponge test, we can see that its power is high and smoke will come out when touched. The laser head and power supply are labeled with model numbers. Please check whether the model numbers are consistent. 1085nm fiber-coupled laser is becoming an important tool in industrial manufacturing and scientific research with its unique technical advantages and broad application prospects. With the continuous advancement of technology and the continuous expansion of the market, it is believed that this laser will play a more important role in future development.

 The 635nm 10W fiber-coupled laser is made of advanced semiconductor materials, with a wavelength stable at around 635 nanometers and small fluctuations in laser output power. This laser not only has a stable wavelength, but also has a high laser output power, which makes it perform well in various applications. Its rugged optical microplate all-solid-state design and collimation technology make the laser highly resistant to shock and able to work stably in harsh environments. The 635nm 10W fiber-coupled laser is an advanced laser device that integrates high efficiency and high stability. With its unique 635nm wavelength and up to 10 watts of output power, this laser has demonstrated excellent performance in many industrial, scientific research and medical applications. First, the 635nm wavelength makes this laser perform well in the red spectrum, suitable for various occasions that require precise indication, positioning or marking. Whether it is alignment operations in precisio...

 This time we tested a 395nm 2000mW ultraviolet laser. 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. This is 395nm 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.

 This is a 1070nm SM fiber laser system . The maximum power is 1W, 10%~100% power can be adjusted, adjusted by button, the adjustment accuracy is 1mW. This laser coupled singlemode fiber, the output of PM fiber can be customized. With LCD screen, it can display the current power and the currently set temperature. This is a custom function and is not supported by default. Adjust the laser output power and laser wavelength by button. Press the middle square button to start the setup mode. The left and right arrows switch whether to set the laser output power or the temperature. The up and down arrows are used to adjust the size of the corresponding parameters. After the setting is complete, turn the switch key to ON. The Active indicator lights up and the laser starts to output. The test data report. The spectrogram when the temperature is set to 60℃. This laser adopts all-fiber laser technology, professionally designed and driven temperature control circuit and control to ensure ...

 This is 940nm 20W IR Laser Source . The laser head has a heat dissipation base, which can effectively extend the continuous working time of the laser. The radiator has two cooling fans. The back of the laser head and the power supply, the 3 working modes of the laser, CW/TTL/Analog are set from the back of the power supply. The 940nm laser is an infrared laser invisible to the naked eye, and a faint red light can be seen in the camera. But the energy is very strong. We shine a laser on the cardboard and it catches fire immediately. 20W is very high power laser , you need to wear IR laser protective glasses when operating, and do not use the laser to irradiate human eyes at any time. In addition, the red STOP button is used for emergency stop, and it is not needed under normal circumstances.

 It's a 638nm 30W high power fiber coupled laser system . There are CW/TTL/Analog 3 working modes available on the back of the power supply. When TTL/Analog is selected, external signal access is required. A radiator is added to the bottom of the laser head to extend the continuous working time of the laser. The heat sink under the laser head integrates 3 cooling fans.  The laser from optical fiber output port. We add a collimator on the fiber output port, the focal is adjustable. Turn on the laser and adjust the current of the power supply to adjust the output power of the laser. The strong red laser beam from collimator port.

 Acousto-optic Modulator for High-power Pulsed Fiber Laser Abstract : The present invention relates to an a cousto-optic modulator for high-power pulsed fiber lasers , including an input pigtail, a collimating lens, an acousto-optic device, a focusing lens, and an output pigtail. The input pigtail is placed at 3.7° with the horizontal plane, and the output tail The fiber and the horizontal plane are placed at 0° or 3.7°, the input pigtail and collimating lens are installed together to form an input fiber collimator, and the output pigtail and focusing lens are installed together to form an output fiber collimator, and then the input, The output fiber collimator and the acousto-optic device are assembled as a whole; a narrowband filter can be placed between the acousto-optic device and the output fiber collimator, and the input fiber collimator and output fiber collimator can be combined into one Fiber collimator, add a narrow band high reflector. The invention effectively improves...

 It's 450nm 15W fiber coupled laser module . The output fiber consists of 5 105μm fibers. This laser can be customized up to 30W laser power. The laser does not contain a drive circuit, and the drive circuit is external. Let's check it now. 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.

 It's a white laser pointer . This flashlight uses a blue laser diode and a fluorescent ceramic chip to excite wide-spectrum white light, which retains the high collimation and penetration of the laser. Widely used in automotive high beam and special lighting. It is different from the ordinary LED flashlight , the biggest feature is that the irradiation range is very far. This is the effect of shooting in the evening, the spot is particularly bright, and the effect will be better at night. Let's check it now.It is different from the ordinary LED flashlight, the biggest feature is that the irradiation range is very far. This is the effect of shooting in the evening, the spot is particularly bright, and the effect will be better at night. Let's check it now. [Specification] Product Name: White Laser Pointer Wavelength: 455nm Output Power: 4.75~5W Battery type: 26650(battery not include) Size: Φ51*165.5mm Material: Aviation Aluminum Irradiation Range： 1800m Diffusion Angle: ...

 This time we are going to show a 808nm 45W laser system with radiator. The laser head with a radiator, heat sink plus 2 cooling fans. This laser support CW and modulation working mode. Before using it for the first time, please remove the dustproof sticker. Please wear laser protective glasses during operation. Red button is the electrical switch, turn to ON. The key is a laser switch, turn to ON. The black knob is the current regulator, which adjusts the laser output power by adjusting the current. Let's check it now.

 It's a  3000mW 532nm DPSS laser system . It's customized into a line laser. We added line lens, and the fan angle is 30°. The focal length is customized at 2 meters, and the light is the smallest at 2m. Installation is very simple. First, connect the laser head and laser power supply, then connect the AC power cord. Let's check it now. The green line laser beam .

 This is 1710nm 4W fiber coupled laser with FC/PC interface. It support 0~max laser power adjustable, and it has three working mode: CW, TTL and analog modulation . The optical fiber is detachable. The diameter and interface of the optical fiber can be customized. 1710nm laser is invisible laser beam. We can see the laser pointed at the black plastic and burned immediately, and white smoke appeared. Let's check it now.

It's 662nm fiber coupled laser system. The max output power is 2000mW, and it's a tunablue laser. The laser head and the laser power supply are in one case. It's a CW laser, and support modulation working mode. The default is the button to control the laser, the software control can be added. It's a 200μm fiber with SMA905 interface. Support customizing other types of optical fiber. The button is used to adjust the laser, and the LED display the current value. Test this laser system , the fiber is fixed and cannot be plugged. 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.

808nm 45W Laser System CW and Modulation Laser Source -- CivilLaser It's a Infrared laser system, the laser wavelength is 808nm, and the laser power is 45W. It's a high power laser source. Let's check it now.

520nm Green Laser Source with PC Software Control RS232 Connector   It's a green laser source, it can be controled by PC software. [Features] 1. Laser + laser drive + temperature control system , integrated laser source, high reliability. 2. Universal control interface 3. 8 hours power stability less than 3%. 4. Laser long service life, >10000 hours. 5. Output wavelength can be set by temperature control 6. Anti-lightning, anti-static, sound over-current protection, over-temperature protection, anti-reverse protection. 7. High output power, the power and spectral stability is high. 8. Simple to use, allowing customers to quickly integrate systems. 9. Can be customized according to customer requirements.

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.

High-power lasers usually generate large amounts of heat, which can easily damage the laser tube for a long time. It is not recommended to use high-power lasers for a long time. Sometimes, the user needs to make the high-power laser work continuously for a long time. Is there any way? Figure 1. Without heat sink, can not work continuously for a long time We have summarized some experiences in actual work to share with you. 1. Select Laser Ask the merchant if the laser is with TEC when buying. TEC (Thermoelectric Cooler) is a semiconductor refrigeration chip, which is widely used in temperature control in various equipment. Figure 2. Heat sink and fan Laser working at high temperatures will cause damage to the laser tube, so it is also necessary to bring an overheating protection module. When the temperature rises to the limit of the laser tube, the laser must automatically stop working. 2. Do a good job of heat dissipation As long as the heat dissipation is done, t...

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.