Spec & Quote System
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Fiber (Left Side)

Fiber
Choose from standard SMF.
MFD
10.4 ±0.5 μm SMF
Catalog value determined by fiber type and wavelength (1.55μm)
Wavelength
1.55 μm
Fiber Length(L1)
total length 0.2-2m, 0.01m steps / tolerance ±0.1m

Fiber (Right Side)

Fiber
Choose from high-NA fiber.
MFD
3.2 ±0.3 μm SMF
Catalog value determined by fiber type and wavelength (1.55μm)
Wavelength
1.55 μm
Fiber Length(L2)
total length 0.2-2m, 0.01m steps / tolerance ±0.1m
Spec sheet preview (the PDF is issued in this format)
Updating…
MFD Conversion Fiber Specification October 14, 2026 FOR CUSTOMER ONLY Fiber SMF28e+ MFD 10.4 ±0.5μm Wavelength 1.55μm Fiber Length(L1) 1m ±0.1m Fiber UHNA7 MFD 3.2 ±0.3μm Wavelength 1.55μm Fiber Length(L2) 0.5m ±0.1m L1 1m L2 0.5m L3 0.3m Termination FC Polish PC AR Coating No Splice Protection 補強スリーブ Φ0.9ルースチューブ Length(… 0.3m Splice Loss 0.2dB max Connector Loss 0.5dB max Termination None deltafiber.jp deltafiber.jp, Ltd.

Termination (Left End)

Termination
Polish
Default: PC
AR Coating
Default: none
✓ Part: FC/PC

Termination (Right End)

Termination

Splice & Protection

Splice Protection
Outer dia. Φ1.5mm
Protection Range
Full protection extends the loose tube to each end and always adds a heat-shrink tube.
Loose tube (left)
Outer Φ0.9 / Inner Φ0.6mm
Max 0.95m
Length from the connector boot heel (10mm increments). The datum differs by termination type. Shown as L3 on the drawing.
Extending it to the maximum specifies "Full coverage".
Automatically stops short of the splice protection to avoid interference.
Joint Protection
Not required
The loose tube is on one side only, so there is no counterpart to bridge the joint to.
Splice Loss
0.2 dB max
Standard value (not configurable)
Connector Loss
0.5 dB max
Standard value (not configurable)

Notes

Notes
Detailed requirements, shipping address, or anything that cannot be quoted automatically.
To receive a quote, please issue the spec sheet first and then send us a request. We will review it and reply with pricing.
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