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Single Fiber Collimator (GK-C  Series)
Optical Collimator

Single Fiber Collimator (GK-C Series)

The Fiber Collimator is the basic element for in-line fiber optics components, such as isolator and FWDM. It has low insertion loss loss and high return loss. The unique processing and high quality AR coating also enable this collimator to handle high power.

    description1

    Key Features

    ● Extremely Low Temperature Slope

    ● High Conversion Efficiency

    ● High Power Handling

    ● Outstanding Reliability

    ● Wide Variety of Fiber Types

    Applications

    ● High Power Fiber Laser

    ● Pulsed Fiber Laser

    Specifications

    Parameter

    Unit

    Type A

    CenterWavelength (λc)

    nm

    1310, 1480, 1550 orspecified

    Operating Wavelength Range

    nm

    λc ± 30

    Working Distance

    mm

    5 - 50   51 - 100   101 - 250   251 - 500

    Typ. Insertion Loss

    dB

    0.25   0.25   0.3   0.5

    Max. Insertion Loss

    dB

    0.30   0.35   0.4   0.6

    Beam Diameter(1/e²)

    mm

    0.45 ± 0.05   0.75 ± 0.05  0.95 ± 0.05

    Min. Return Loss

    dB

    55

    Max. OpticalPower

    W

    0.3,0.5.…3

    Max. Tensile Load

    N

    5

    FiberType

    -

    SMF-28 Fiber

    Operating Temperature

    -5 to +70

    Storage Temperature

    -40 to +85

    IL is 0.3 dB higher and RL is 5 dBlower for each connector added.
    Optical power will be only 1 W with connector added.

    Package Dimensions

    Single Fiber Collimator (GK-C Series)

    product description

    The GKER Photonics Single Fiber Collimator (GK-C Series) is an essential component for in-line fiber optic systems, offering superior performance in applications such as isolators and FWDMs (Filter Wavelength Division Multiplexers). This collimator is meticulously engineered to minimize insertion loss and maximize return loss, ensuring optimal efficiency and signal integrity in high-performance optical networks.

    The advanced AR (anti-reflection) coating on the lens surfaces enhances power handling capabilities, making this collimator ideal for both standard and high-power applications. Whether deployed in telecommunications, medical devices, or industrial laser systems, the GK-C Series delivers consistent and reliable performance.

    With multiple wavelength options, customizable working distances, and various lens diameters, the GK-C Series can be tailored to meet the specific requirements of your application. The design also supports a wide operating temperature range, ensuring stability and durability even in demanding environments.

    Its robust construction, coupled with high-quality materials, ensures long-term stability and minimal maintenance, making it a cost-effective solution for critical optical systems. The GKER Photonics Single Fiber Collimator is not just a component; it's a key enabler of high-efficiency optical systems, designed to support the ever-growing demand for high-speed data transmission and precision in modern fiber optic networks.