Fiber laser is a laser that utilizes doped optical fiber core as its lasing medium to make it capable of amplifying light, typically ytterbium doped fiber laser, Erbium doped fiber laser and thulium doped fiber laser. Techwin offers a wide range of fiber lasers including pulsed fiber laser, CW fiber laser and fiber laser module. These fiber lasers are available in a wide selection of wavelengths, suitable for fiber optic sensing, coherent communication, scientific research applications, etc.

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  2. 1.0µm Fiber Laser
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  2. 1.5µm Fiber Laser
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  2. 2.0µm Fiber Laser
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  2. Long Pulsed Single Frequency Fiber Laser (Polarization Maintaining)
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  2. CW(Continuous Wave) Single Frequency Fiber Laser Module

Fiber amplifier is an optical amplifier that can amplify optical signal directly. As a specialist optical fiber amplifier manufacturer, Techwin offers comprehensive portfolio of fiber amplifiers, such as CW fiber amplifier, doped fiber amplifier, Raman amplifier, etc. These optical fiber amplifiers are widely used in coherent detection system, optical distribution system, fiber optic communication and other fiber optic devices.

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  2. 1.0µm Fiber Amplifiers
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  2. 1.5µm Fiber Amplifiers
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  2. 2.0µm Fiber Amplifiers

Techwin offers a wide range of laser sources including ASE source, singlemode laser source, multimode laser source, pulsed laser source, etc. These fiber light sources are applicable to various fields such as general lab applications, spectrum analysis, fiber-optic communication, scientific research tasks, etc.

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  2. Butterfly Laser Diode Techwin 785/830/1064nm Butterfly Laser Diode designed specifically for Raman spectroscopy detection. Techwin 785/830/1064nm Butterfly Laser Diode utilizes Volume Bragg Grating (VBG) stabilization. This ensures excellent wavelength stability, narrow spectral linewidth, and high side-mode suppression ratio (SMSR) even at high power output levels.
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  2. 1310nm SLD Light SourceTechwin 1310nm SLD light source is designed for applications such as Fiber Optic Gyroscopes (FOG), featuring a broad spectrum and low polarization. The laser utilizes a custom butterfly package with standard single-mode fiber output, ensuring good compatibility. This series of products is widely used in Fiber Optic Gyroscopes, Fiber Optic Sensing, and other related fields.
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  2. 1550nm DFB Laser DiodeTechwin 1550nm DFB laser diode is designed for LiDAR applications, featuring single longitudinal mode and high power output. The laser is housed in a standard 14-PIN butterfly package with a standard polarization-maintaining (PM) fiber and FC/APC connector output, ensuring good compatibility. This series of products is widely used in LiDAR, fiber optic sensing, and other related fields.
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  2. 1550nm Narrow Linewidth Laser DiodeTechwin's 1550nm Narrow Linewidth Laser Diode is designed for ultra-narrow linewidth applications, utilizing Volume Bragg Grating (VBG) stabilization. This ensures high power, low noise, and a narrow linewidth, with a minimum linewidth achievable below 3kHz.
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  2. 1653.7nm Butterfly Laser DiodeTechwin 1653.7nm butterfly laser diode is specifically designed for methane (CH₄) gas detection, featuring high power, stable wavelength, narrow spectral linewidth, and a high side-mode suppression ratio (SMSR). The laser is housed in a standard 14-PIN butterfly package with standard single-mode fiber and an FC/APC connector output, ensuring good compatibility. This series of products is widely used in optical sensing and gas detection. We can also customize different wavelength gas detection sensors according to customer requirements.
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  2. TO-Can Laser DiodeTechwin TO-Can Laser Diode integrated with advanced packaging technology, can incorporate a thermoelectric cooler (TEC) and a negative temperature coefficient (NTC) thermistor. The TEC enables high-precision temperature control, resulting in lasers with high power and stable wavelength. We also offer heated TO packages suitable for operation in the -10°C to 50°C range. These lasers feature collimated light output
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  2. Laser Diode TOSA with Pigtail Techwin laser diode TOSA with pigtail, designed for applications requiring stable wavelength control, integrate a Thermoelectric Cooler (TEC), a thermistor (NTC), and an isolator for precise temperature management and wavelength stability.
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  2. Laser Diode DWTOSA with PigtailTechwin laser diode DWTOSA with pigtail, designed for applications requiring stable wavelength control, integrate a Thermoelectric Cooler (TEC), a thermistor (NTC), and an isolator for precise temperature management and wavelength stability.

Adopting phase mask technique, the fiber Bragg grating is specially designed for high power CW and pulsed fiber lasers and suitable for single mode fiber to large mode area (LMA) fiber, capable of withstanding power over 3kW.

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  2. Fiber Bragg Grating