NakuLaser Blog

 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 determines th

 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.

 This is a 1550nm fiber-coupled acousto-optic modulator w ith a driver. The 1550nm acousto-optic modulator is an external modulation technology, and the acousto-optic device that controls the intensity of the laser beam is usually called an acousto-optic modulator. The 1550nm AOM has the advantages of high modulation extinction ratio and high power withstand, and is widely used in the field of optical fiber sensing. This acousto-optic modulator is coupled to a single-mode fiber, and custom polarization-maintaining fibers are also available. In addition, the working wavelength and RF frequency of AOM can also be customized The test report of 1550nm 200MHz SM fiber coupled AOM.

 This is 780nm acousto-optic modulator with RF Driver. The radio frequency interface is SMA. The working wavelength of this AOM is 780nm, it is a free space mode, mode, and the fiber coupling mode can also be customized. The window size of frees pace AOM can be customized. We provide customized AOM service, different working wavelength and RF frequency can be customized. Professionally customize various high-efficiency, high-frequency AOMs, contact NakuOptics for more information.

 The 1550nm band single-wavelength laser (low power) adopts high-stability semiconductor laser chip, polarization maintaining or single-mode fiber output , professionally designed drive and temperature control circuit control to ensure the safe and stable operation of the laser. This is a 1550nm narrow linewidth laser. The output power can be adjusted, and the adjustment accuracy is 0.1mW. This is a narrow linewidth laser with a spectral bandwidth of less than 1MHz. Narrow linewidth lasers at the kHz level can also be customized. Software control function can be customized,using RS232 communication serial port. Default only supports button control. The standard version is controlled by buttons to control the switch and adjust the power. PM1550 polarization maintaining fiber is installed, and SM single-mode fiber can also be customized. The test report for this 1550nm narrow linewidth fiber laser.

 The demonstration in our laboratory this time is a 532nm 15mw single-mode fiber laser . It has an LCD display to show the current power of the laser. The output power of this laser can be adjusted from 10% to 100%, and the adjustment accuracy is 0.1mW. The back of the laser has an RS232 interface. It can be customized for software control functions. The key controls the ON/OFF of the laser. Here is SM fiber, and PM fiber can also be customized. Let's check it now. 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). The test data report of 532nm single mode fiber laser. Laser spectrum graph and power stability test report.

 This is a 528nm 10mW green laser system . It is configured with single-mode fiber. The screen can display the current power, and the power can be adjusted through the buttons. 10%~100% output power can be adjusted. The power regulation accuracy is 0.1mW. The highest power of this unit is 10mW, other output power can be customized. Here is SM fiber output, PM fiber output can be customized. 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). The test data sheet of 528nm 10mW SM fiber laser source.

 The 1550nm band single-wavelength laser (low power) adopts high-stability semiconductor laser chip , polarization maintaining  fiber output, professionally designed drive and temperature control circuit control to ensure the safe and stable operation of the laser, and can provide desktop or modular packaging. In the video below is a benchtop 1550nm 50mW 1MHz narrow linewidth laser. Let's check it now. The output power can be adjusted, and the adjustment accuracy is 0.1mW. It is a narrow linewidth laser with a spectral broadband <1MHz, kHZ level narrow linewidth lasers can also be customized. Software control function can be customized, using RS232 communication serial port. Default only supports button control. The standard version is controlled by buttons, control switches, and adjust the power. PM1550 polarization maintaining fiber is installed, and SM single-mode fiber can also be customized. The test report of 1550nm 50mW 1MHz Narrow Line-width PM fiber laser.

 This is a C-band 37dBm high power erbium-doped fiber amplifier . The high-power EDFA module comes with a heat sink. We can control EDFA through software or host computer commands. Both PM and SM fibers can be customized. This is a modular design, and the desktop EDFA can also be customized, and the desktop EDFA can be controlled by buttons. High power erbium doped fiber amplifier (EYDFA-HP-BA), based on amplification technology of double clad erbium doped fiber, unique optical packaging technology, and with reliable hardware light path protection design, realized high power laser output in C band or L band, It has the advantages of high gain and low noise, and can be widely used in CATV, optical fiber communication, laser radar, etc.. The interface of the control software. The test report of 37dBm EDFA.

 Today, what we bring is a high-power modular erbium-doped fiber amplifier . Let's check it now. The one in the video is a C-band 37dBm EDFA with polarization maintaining fiber.  Both PM and SM fibers can be customized. The high power erbium-doped fiber amplifier module type has heat sink. We can control the EDFA through software or host computer commands. The C-band high-power polarization-maintaining erbium-doped fiber amplifier is based on the principle of laser amplification of optical signals in erbium-doped fibers, and adopts a unique multi-stage optical amplification design and reliable high-power laser heat dissipation technology to achieve high-power lasers with wavelengths of 1535~1565nm, PM output. It has the advantages of high power, high extinction ratio and low noise, and can be used in optical fiber communication, lidar, etc. The test report of 37dBm EDFA.