NakuLaser Blog

 This is a 488nm 25mW pigtail laser with drive. There is a knob on the drive to adjust the laser output power. The interface below 'DC 12V' is connected to the power supply. The display screen on the driver shows the current. The optical fiber is a fragile item, so we need to handle it with care and avoid bending it. 488nm 25mW 3.5um single-mode pigtail laser is a high-performance semiconductor laser with the characteristics of stable wavelength, adjustable output power, and high fiber coupling efficiency. Its main parameters include: central wavelength 488nm, output power 25mW, fiber core diameter 3.5um, and single-mode fiber coupling technology. This laser is output through a pigtail, which is easy to connect and integrate with other optical devices, providing great convenience for various applications. In addition, the 488nm 25mW 3.5um single-mode pigtail laser has excellent power stability and can maintain stable output power for a long time, which is crucial for applicatio...

 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...

 This is a 520nm 1W fiber coupled laser module . There are CW and TTL working mode. When CW working mode is required. Red and Yellow wire to DC 12V positive. Black and Green wire to DC 12V negative. When TTL working mode is required. Red wire to DC 12Vpositive. Black wire to DC 12V negative. Yellow wire to 0~5V Signal positive. Green wire to 0~5V Signal negative. The TTL Signal is Square wave, 0~5V and 1~10kHz. Adjust the signal frequency to test the TTL function. Let's check it now. [Specifications] Product Name: 520nm pigtailed laser Wavelength: 520±10nm Output Power: <1000mW Output Mode: Multimode Multimode Coupling Ratio: >90% Spot Form: Astigmatism Fiber Core Diameter: 200μm  Fiber Length: 1m (Customizeable) Fiber Interface Type: FC/SMA905/LC/SC (Choose) Fiber Material: Quartz Coupling Lens Material: Optical glass Operating Voltage: DC 4.6V Operating Voltage With Power Diver: DC12V Operating Current: <2000mA Circuit Control Mode: ACC / TTL frequency modulation (...

 It's a 650nm red laser module coupled a multi-mode fiber . The fiber interface is FC/PC, and it support customization. Let's check it now.  Specifications： Output Wavelength: 650nm Core Power: 200mW Exit Pupil Power: The power is about 30MW after connect the optical fiber Operating Voltage: DC 4.8V~5.2V Working Current: 500mA Optical Lens: optical coating glass lens (import) Fiber Interface: FC/PC Fiber Length: 1 meters Fiber Core Diameter：100um Fiber Type: Multi mode fiber Dimensions: 22*90mm or 26*100mm Operating Temperature: -10°C ~ 50°C  Storage Temperature: -40°C ~ 85°C  Advantages: 1. The laser almost no temperature after optical fiber jumper, it is similar to cold light source, more safe and more stable performance. 2. The fiber because of its flexibility can make the laser emitting end of flexible, mobile use and more convenient. 3. We can make better mode of laser beam shaping, beam is Gauss distribution. 4. It can be used in laser beam integration to impro...

 This is 405nm 300mW blue-violet laser diode module . It coupled a FC/PC fiber, The output port of the fiber is SMA905 interface, which can be customized. The round blue-violet laser spot . The Numerical aperture of the fiber is 0.22 NA, the full-angle divergence angle is near 25.2°, so the farther the distance, the larger the laser spot. Let's check it now.

1550nm 1590nm  DFB Butterfly Laser Diodes  14-Pin PM Fiber The fiber  and fiber interface can be customized.  The Pin has N-type and S-type  to choose from. 

808nm High power Pigtailed Laser diode + Multimode optial fiber + Drive circuit Fiber: Fiber Diameter 105μm / Numerical Aperture 0.22 / Fiber Connecter (FC/PC)

520nm 1000mW Pigtailed Laser Green Fiber Laser Diode Module 

780nm 30mW Single-mode Fiber Coupled Laser FC Interface IR Laser Source Because of its flexible characteristics, the optical fiber can make the laser light emitting end move flexibly and freely, making the use of the laser more convenient. The laser beam can be shaped so that the mode of the beam is better and the Gauss distribution is distributed. It is also possible to integrate several laser beams to increase the power of the laser. 780nm 30mW Pigtailed Laser Single Mode Fiber Coupled Laser Laser Diode Module

405nm 20mW Pigtailed Laser  Fiber Diode Module Blue-violet Fiber Coupled Laser  

520nm 1000mW  Pigtailed Laser Green Fiber  Laser Diode Module  520nm Green Fiber Coupled Laser 1000mW Pigtailed Laser Module With Power Supply [Specifications] Product Name: 520nm pigtailed laser Wavelength: 520±10nm Output Power: <1000mW Output Mode: Multimode Multimode Coupling Ratio: >90% Spot Form: Astigmatism Fiber Core Diameter: 200μm  Fiber Length: 1m (Customizeable) Fiber Interface Type: FC/SMA905/LC/SC (Choose) Fiber Material: Quartz Coupling Lens Material: Optical glass Operating Voltage: DC 4.6V Operating Voltage With Power Diver: DC12V Operating Current: <2000mA Circuit Control Mode: ACC / TTL frequency modulation (Choose) Operating Temperature: -0~60℃ Storage Temperature: -40~85℃ Size: Φ20*70mm