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China Fused Biconical Taper (FBT) Coupler/Splitter 2:98 & 1:99 Ratio - Low Loss from Reliable Factory & Suppliers
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China Fused Biconical Taper (FBT) Coupler/Splitter 2:98 & 1:99 Ratio - Low Loss from Reliable Factory & Suppliers

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Product Description
● Experience minimal insertion loss with our high-quality optical components manufactured in China.
● Our products offer low polarization correlation loss for superior performance, a feature highly valued by suppliers in the industry.
● Enjoy low wavelength correlation loss, ensuring optimal efficiency in various applications.
● Designed for high stability and reliability, our products are the top choice from a trusted factory that prioritizes quality.

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    Product Details

    Product description
    Miniaturized Fiber Optic Coupling Devices feature compact size, excellent performance, and convenient connectivity:
    • Compact Size: Miniaturized design with significantly reduced dimensions. Coupler size can be as small as diameter 2.4mm, length 35mm.
    • Low Insertion Loss: Insertion loss is typically low, often ≤0.2dB. Helps reduce optical signal energy loss during coupling, maintaining signal strength and transmission quality.
    • High Return Loss: High return loss, ≥50dB for UPC type, ≥60dB for APC type. Effectively reduces optical signal reflection, minimizing interference from reflected light, and improving system stability and reliability.
    • High Compatibility: Good compatibility with different types of optical fiber.
    • Strong Environmental Adaptability: Complies with industry standards like Telcordia GR-1221. Operates stably from -40°C to 85°C, exhibiting good environmental adaptability to meet various application scenario needs.
    Product Applications
    Optical fiber communication system
    Cable TV
    Passive optical network
    Product Parameters
    Parameters Parameter value range
    Structural configuration 1*2
    Center wavelength (nm) 1550
    Working wavelength range (nm) 1520~1580
    2: 98 point splitter insertion loss standard value
    98% insertion loss at 23℃ (dB) ≤0.30
    2% insertion loss at 23℃ (dB) 16~18.5
    1: 99 point splitter insertion loss standard value
    99% insertion loss at 23℃ (dB) ≤0.25
    1% insertion loss at 23℃ (dB) 19~21.5
    5: 95 point splitter insertion loss standard value
    5% insertion loss at 23℃ (dB) 12~14.5
    95% insertion loss at 23℃ (dB) ≤0.43
    Polarization-dependent loss (dB) <0.15
    Polarization mode dispersion (ps) <0.25
    Temperature dependent loss (dB) <0.15
    Return Loss (dB) ≥55
    Wavelength dependent loss (dB) <0.4
    Operating temperature (℃) -40 ~ +85
    Storage temperature (℃) -40 ~ +85
    Package Dimensions (mm) ＜ɸ2.4*35
    Type of Fiber SMF-28e, 250um bare fiber
    Fiber Length ≥1.0m
    Connector NA
    Product Size
    product description01
    Frequently Asked Questions
    Q1: What are the main features of Miniaturized Fiber Optic Coupling Devices?
    A1: These devices feature an ultra-compact size (diameter as small as 2.4mm, length 35mm), low insertion loss (≤0.2dB), high return loss (≥50dB for UPC, ≥60dB for APC), high compatibility, and strong environmental adaptability (operating from -40°C to 85°C).
    Q2: In what applications are these fiber optic couplers commonly used?
    A2: They are widely used in optical fiber communication systems, cable TV networks (CATV), and passive optical networks (PON).
    Q3: What is the typical return loss and insertion loss for these devices?
    A3: The typical insertion loss is low, often ≤0.2dB. The return loss is ≥55dB, which helps effectively reduce optical signal reflection and improves overall system stability.
    Q4: Can these devices operate in extreme environmental conditions?
    A4: Yes, they comply with industry standards such as Telcordia GR-1221 and can operate stably within a temperature range of -40°C to 85°C.
    Q5: What are the standard fiber specifications for this coupler?
    A5: The device uses SMF-28e, 250um bare fiber with a fiber length of ≥1.0m, and comes with no connector (NA) by default.
    Q6: What are the package dimensions of this miniaturized coupler?
    A6: The package dimensions of this miniaturized fiber optic coupling device are extremely compact, measuring less than ɸ2.4mm in diameter and 35mm in length.

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