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  • 1532.68nm 10mW DFB Laser Diode for C2H2 Acetylene Detection

    1532.68nm 10mW DFB Laser Diode for C2H2 Acetylene Detection

    The 1532.68nm 10mW DFB Laser Diode for C2H2 acetylene detection module is a cost effective, highly coherent laser diode. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14PIN butterfly package with TEC,isolator and PD Built in.
  • 1390nm DFB Laser Diode SM Fiber TEC

    1390nm DFB Laser Diode SM Fiber TEC

    The 1390nm DFB Laser Diode SM Fiber TEC is generally applied for stabilizing or modulating light source. In addition, the high stability laser source can be used for testing apparatus and OTDR equipment. The laser diode is composed of a CWDM-DFB chip, built-in isolator, built-in monitor photodiode and TEC cooler, and SC/APC,SC/PC, FC/APC,FC/PC optical fiber connector. Customers can select the length of optical fiber and pin definition based on actual demand. The output power is available from 1MW, 1270nm~1610nm CWDM wavelength available.
  • 1550nm 5mW TO-CAN DFB Laser Diode

    1550nm 5mW TO-CAN DFB Laser Diode

    This 1550nm 5mW TO-CAN DFB Laser Diode is a product operable over a broad temperature range with a low temperature-wavelength coefficient. It is well suited for applications such as communications research, interferometry, and optical reflectometry for distance measurement in fiber or free space. Each device undergoes testing and burn-in. This laser comes packaged in a 5.6 mm TO Can. It contains an integrated aspheric focusing lens in the cap, allowing the focus spot and numerical aperture (NA) to be matched to SMF-28e+ fiber.
  • Manual Fiber Polarization Controllers

    Manual Fiber Polarization Controllers

    Manual Fiber Polarization Controllers is made by the principle of birefringence generated by optical fiber under the action of external force. The three rings are equivalent to λ/4, λ/2 and λ/4 wave plates respectively. The light wave passes through the λ/4 wave plate and is converted into linearly polarized light, and then the polarization direction is adjusted by the λ/2 wave plate. The polarization state of the linearly polarized light is changed to an arbitrary polarization state via a λ/4 wave plate. The delay effect caused by the birefringence effect is mainly determined by the cladding radius of the fiber, the radius of the fiber surround and the wavelength of the light wave.
  • 1100nm-1650nm Coaxial Pigtail PIN Photodiode

    1100nm-1650nm Coaxial Pigtail PIN Photodiode

    The 1100nm-1650nm Coaxial Pigtail PIN Photodiode employs a small, coaxial package and InGaAs detector chip. It features a very low power consumption, a small dark current, low return loss, good flexibility, great linearity, compact design, small volume, high reliability, and long service life. This product series is most often used in CATV receivers, in optical signal receivers in analog systems, and power detectors.
  • 975nm 976nm 980nm 200W High Power Fiber Coupled Diode Laser

    975nm 976nm 980nm 200W High Power Fiber Coupled Diode Laser

    The 975nm 976nm 980nm 200W High Power Fiber Coupled Diode Laser include a high output of 200 watts, center wavelength of 976nm, They also have a 200µm fiber core diameter. These modules offer high efficiency, stability, and superior beam quality. Production is achieved by transforming the asymmetric radiation from the laser diode chip into an output fiber with small core diameter by using special micro optics. Inspecting and burn-in procedures in every aspect come to a result to guarantee each product with the reliability, stability and long lifetime. Material processing and fiber laser pumping are the expected applications for these lasers.
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  • Working principle of ASE broadband light source

    ASE broadband light generated by erbium-doped fiber is amplified spontaneous emission light generated by short-wavelength laser pumping erbium-doped fiber. As shown in the following diagram, the pumped rare earth ions transition between upper and lower energy levels to generate spontaneous emission light, which is amplified in the stimulated emission process. This process is repeated continuously, and even a fairly high output power can be achieved under sufficient pumping conditions. (ASE=Amplified Spontaneous Emission, amplified spontaneous emission light)

  • The Function Fiber Optical Module

    Fiber optic module can be divided into fiber optical receiver module, fiber optical transmission module, fiber optical transceiver module and fiber optical transponder module.

  • what is the advantage of fiber coupled laser diode

    Fiber lasers refer to lasers that use rare-earth-doped glass fibers as gain media. Fiber lasers can be developed on the basis of fiber amplifiers: high power density is easily formed in the fiber under the action of pump light, resulting in laser working material. The energy level "number inversion" can form laser oscillation output when a positive feedback loop (form a resonant cavity) is properly added.

  • Linewidth Characteristics of Single-Frequency Fiber Lasers

    Single-frequency fiber lasers have a very narrow limit linewidth, and their spectral line shape is Lorentz type, which is significantly different from single-frequency semiconductors. The reason is that single-frequency fiber lasers have longer laser resonant cavities and longer photon lifetimes in the cavity. This means that single-frequency fiber lasers have lower phase noise and frequency noise than single-frequency semiconductor lasers.

  • Although 5G demand has slowed down, the pace of China's optical module industry remains unchanged

    Recently, many people in the optical module industry chain have said frankly that the demand for 5G is not as good as expected. At the same time, LightCounting also pointed out in the latest report that 5G deployment is slowing, especially in the Chinese market. Do not have much hope for the return of 5G fronthaul demand in the short term.

  • Fiber Lasers vs Solid-State Lasers

    In today's era of rapid development of laser technology, solid-state lasers and fiber lasers, as the two major mainstream laser products, have each demonstrated their unique charm and advantages in many fields such as industrial production, scientific research, and military applications.

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