NakuLaser Blog

 The one shown in our laboratory today is a 1550nm infrared single-mode fiber coupled laser. This is a desktop laser, and the output power can be adjusted directly through the buttons on the panel. The output power is adjustable with an adjustment range of 0.5~5W. The adjustment accuracy is 1mW. The laser can also be controlled through software, and the communication interface is RS232. 1550nm is infrared invisible light, and the light spot can be observed with an infrared sensor plate. What is configured here is single-mode fiber, and polarization-maintaining fiber can be customized. The Line-width here is 3.7 MHz, and the line width of 1MHz can be customized.  This laser adopts DFB type laser chip , and cooperates with high-power gain optical path module to realize single-mode fiber output of single-wavelength high-power laser. The professionally designed drive and temperature control circuit control ensures the safe and stable operation of the laser, and the spectrum and...

 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 time we are talking about the miniature ASE bandwidth light source . Its size is 50*50*15mm. The output power 10mW~50mW can be customized. After turning on the laser, the green indicator light will light up. And the ASE starts working, with invisible light output in the 1528~1563nm band. The light source outputs a flat spectrum covering the C-band and has moderate output power. At the same time, due to the unique miniaturized design and miniature package, it is the smallest ASE broadband light source at present, which is very suitable for applications in narrow space conditions. Test data report of the small C-Band 20mW ASE. Spectrogram and power stability of actual tests.

 This is a 30dBm polarization-maintaining Ytterbium-doped optical amplifier. The software control function can be customized and connected to the computer through the RS232 interface. The default is button control. The operating current or output power can be adjusted through the buttons. It supports both ACC and APC working modes. In APC mode, the output power can be adjusted. In ACC mode, the working current can be adjusted. Let's check it now. It is widely used in optical communications, optical sensing and other fields. 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 fr...

 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 405nm 80mW single mode fiber laser desktop type. The real-time power is displayed on the LCD screen, and the 10~100% power can be adjusted by the button on the left. It can also be customized into modules and controlled by software. Desktop reserved RS232 interface, software control function can be added. This laser quipped with single-mode fiber, PM fiber can also be customized. The fiber output interface is FC/APC by default, and can also be customized with SMA, FC/PC and other models. The test data sheet of 405nm 80mW laser. Adjust the laser output power via the button: Use the left and right buttons to select the value position to be adjusted. The upper and down buttons adjust the value. The middle square button determine...

 We are often exposed to infrared light, such as near-infrared wavelengths such as 780nm and 808nm, and the naked eye can see a faint red spot. As we all know, lasers like 915nm are invisible wavelength . So how do we detect it? Let's check it now. In the video below, we use a small infrared detection card to convert 915nm invisible light into visible light. The 915nm laser illuminates the observation card and displays a green visible spot.

 Today we bring 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). It's the 488nm single mode fiber laser module. 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.